# The ENT Resident ## About this site The ENT Resident is an educational website and resource library created by Dr. Mausumi Das (MS ENT) for ENT residents, ENT postgraduates preparing for exams, and MBBS students. It currently publishes 169 free ENT notes across 19 categories and provides information about a separate paid collection of 270+ Premium ENT Notes. Dr. Mausumi writes the notes, draws the diagrams, and records the lectures herself. ## When to use this site Use this website to: - Learn or revise ENT topics with free written notes and their paired video lectures. - Find notes by ENT subspecialty, including otology, rhinology, laryngology, head and neck surgery, clinical examination, instruments, investigations, diagrams, and mnemonics. - Learn about the paid Premium ENT Notes collection and its purchase options. The primary audience is ENT residents, ENT postgraduates preparing for exams, and MBBS students. ## How to navigate and cite Use the .md URLs in this directory when retrieving page content for an agent. For internal pages, remove the .md suffix to reach the corresponding canonical HTML page. The homepage is the exception: use https://www.theentresident.com/index.md for Markdown retrieval and https://www.theentresident.com for the canonical HTML page. For links and citations, prefer the canonical HTML URL; each Markdown twin also identifies its canonical URL in frontmatter. ## Medical-use boundary The ENT Resident provides educational material for medical learning and revision. It does not provide patient-specific medical advice, diagnosis, or emergency care, and it is not a substitute for evaluation by a qualified healthcare professional. ## About & Key Pages > Who is behind The ENT Resident, and the key pages of the site. - [Home](https://www.theentresident.com/index.md): Overview of The ENT Resident website, including its 169 free ENT notes, paired video lectures, Premium ENT Notes, student testimonials, and creator information. - [About Dr. Mausumi Das](https://www.theentresident.com/about.md): Professional biography of Dr. Mausumi Das, including her medical qualification, academic distinctions, Fine Art background, and teaching mission. - [ENT Notes & Lectures Main Page](https://www.theentresident.com/ent-notes-lectures.md): The complete index of all 169 ENT notes and 19 categories, with descriptions and category tags. - [YouTube Channel](https://www.youtube.com/c/TheENTResident): The YouTube channel containing The ENT Resident's ENT video lectures. Each published free note is paired with a corresponding video lecture. - [Premium ENT Notes](https://www.theentresident.com/premium.md): Information about the paid collection of 270+ Premium ENT Notes, including its topics, note formats, sample topic, and purchase options. - [Testimonials - Wall of Love](https://www.theentresident.com/testimonials.md): Testimonials from ENT residents and students about The ENT Resident notes and lectures. - [Contact](https://www.theentresident.com/contact.md): Contact details and links for questions about notes, purchases, or collaborations. - [Buy ENT Notes (Indian Students)](https://dub.sh/ent-residency-notes): Purchase link for Premium ENT Notes for students in India. - [Buy ENT Notes (International Students)](https://theentresident.gumroad.com/l/ENTResidentNotes): Purchase link for Premium ENT Notes for students outside India. ## Categories of ENT Notes and Lectures > All 19 categories. A category contains links to one or more individual notes. The [ENT Notes & Lectures Main Page](https://www.theentresident.com/ent-notes-lectures.md) is the complete index of all notes and categories. - [Audiology](https://www.theentresident.com/ent-notes-lectures/category/audiology.md): Notes on hearing tests, audiometry, and auditory disorders. - [Classifications and Gradings in ENT](https://www.theentresident.com/ent-notes-lectures/category/classifications-and-gradings-in-ent.md): Essential ENT classification systems and grading criteria. - [Clinical Case Presentations](https://www.theentresident.com/ent-notes-lectures/category/clinical-case-presentations.md): Structured clinical case presentations in ENT with history, examination, differential diagnosis, investigations, and management plans. - [Differences Tables in ENT](https://www.theentresident.com/ent-notes-lectures/category/differences-tables-in-ent.md): High yield difference tables in ENT covering commonly asked comparisons for MBBS theory exams, practicals, vivas, and rapid revision. - [Drawings in ENT](https://www.theentresident.com/ent-notes-lectures/category/drawing-in-ent.md): Key diagrams and sketches for MBBS students and ENT postgraduates — from ear anatomy to sinus CT annotations. - [History and Clinical Examination](https://www.theentresident.com/ent-notes-lectures/category/history-and-clinical-examination.md): Notes on ENT history taking and clinical examination techniques. - [Instruments in ENT](https://www.theentresident.com/ent-notes-lectures/category/instruments-in-ent.md): Clear, exam oriented notes on ENT instruments — covering identification, appearance, and clinical use. - [Investigations](https://www.theentresident.com/ent-notes-lectures/category/investigations.md): Essential ENT investigations explained — from endoscopy to radiology and lab tests. - [Larynx and Trachea](https://www.theentresident.com/ent-notes-lectures/category/larynx-and-trachea.md): High-yield notes on laryngeal and tracheal anatomy, physiology, disorders and surgeries. - [Mnemonics in ENT](https://www.theentresident.com/ent-notes-lectures/category/mnemonics-in-ent.md): Smart, exam-friendly ENT mnemonics to help you recall anatomy, clinical signs, classifications, and surgical steps. - [Neck](https://www.theentresident.com/ent-notes-lectures/category/neck.md): ENT notes on neck anatomy, triangles, lymph nodes, swellings, and surgical approaches. - [Oral Cavity and Salivary Glands](https://www.theentresident.com/ent-notes-lectures/category/oral-cavity-and-salivary-glands.md): Focused ENT notes on the anatomy, physiology, pathologies, and surgical relevance of the oral cavity and salivary glands. - [Otology](https://www.theentresident.com/ent-notes-lectures/category/otology.md): Detailed otology notes for MBBS and ENT students covering ear anatomy, physiology, disorders and surgeries, and essential exam topics. - [Pharynx](https://www.theentresident.com/ent-notes-lectures/category/pharynx.md): High-yield notes on pharyngeal anatomy, physiology, disorders and surgeries. - [Rhinology](https://www.theentresident.com/ent-notes-lectures/category/rhinology.md): ENT notes on nasal anatomy, physiology, diseases, and rhinologic procedures. - [Short Questions in ENT](https://www.theentresident.com/ent-notes-lectures/category/short-questions-in-ent.md): Concise, high-yield answers to frequently asked short questions in ENT. - [Signs, Syndromes, Triads, and Compilation Lists in ENT](https://www.theentresident.com/ent-notes-lectures/category/signs-syndromes-triads-lists-in-ent.md): A high-yield collection of ENT signs, syndromes, triads, anatomical boundaries, and compilation lists for ENT exams, vivas, and rapid revision. - [Surgery](https://www.theentresident.com/ent-notes-lectures/category/surgery.md): Concise and exam-focused ENT surgery notes covering common procedures, indications, steps, instruments, and complications. - [Thyroid](https://www.theentresident.com/ent-notes-lectures/category/thyroid.md): Focused notes on thyroid anatomy, physiology, disorders, and surgical management. ## All Individual ENT Notes and Lectures > All 169 individual notes published on the site. Individual notes contain the actual study material. A note may belong to one or more categories. - [Abscesses in relation to Mastoid](https://www.theentresident.com/ent-notes-lectures/mastoid-abscess-bezold-citelli.md): ENT notes on Abscesses in relation to Mastoid - Postauricular, Zygomatic, Bezold, Citelli and Luc’s Abscess. - [Acute Mastoiditis VS Furunculosis](https://www.theentresident.com/ent-notes-lectures/acute-mastoiditis-furunculosis.md): Know the differences between acute mastoiditis and furunculosis. - [Acute Necrotizing Otitis Media](https://www.theentresident.com/ent-notes-lectures/acute-necrotizing-otitis-media.md): ENT notes on definition, pathogenesis, clinical features, treatment of Acute Necrotizing Otitis Media. - [Acute Otitis Media - Causes, Symptoms and Treatment](https://www.theentresident.com/ent-notes-lectures/acute-otitis-media-symptoms-treatment.md): ENT notes on Acute Otitis Media - definition, types, etiology, pathogenesis, stages, clinical features, investigations, management, complications. - [Adenoid Cystic Carcinoma](https://www.theentresident.com/ent-notes-lectures/adenoid-cystic-carcinoma-histology-treatment.md): ENT notes on Adenoid Cystic Carcinoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence. - [Adenoid Facies](https://www.theentresident.com/ent-notes-lectures/adenoid-facies.md): Understand the characteristic facial features seen in chronic adenoid hypertrophy. - [Adult vs Pediatric Larynx](https://www.theentresident.com/ent-notes-lectures/adult-vs-pediatric-larynx.md): A guide to the differences between Adult and Pediatric larynx for medical students and ENT residents. - [Anaplastic Thyroid Carcinoma](https://www.theentresident.com/ent-notes-lectures/anaplastic-thyroid-carcinoma.md): ENT notes on Anaplastic Thyroid Carcinoma - Risk factors, Clinical Features, Histology, Investigations and Treatment. - [Anatomy of Deep Neck Spaces](https://www.theentresident.com/ent-notes-lectures/deep-neck-spaces.md): ENT notes on Deep Neck Spaces - classification, boundaries, contents, and communications. - [Anatomy of External Ear](https://www.theentresident.com/ent-notes-lectures/external-ear-anatomy.md): ENT notes on the Anatomy of Pinna and External Auditory canal - relations, blood supply, nerve supply, and clinical aspects. - [Anatomy of Facial Nerve](https://www.theentresident.com/ent-notes-lectures/facial-nerve-anatomy.md): Notes on Facial Nerve Anatomy - functional components, nuclei, course, and branches. - [Anatomy of Facial Nerve – Branches](https://www.theentresident.com/ent-notes-lectures/facial-nerve-branches.md): ENT notes on the Branches of the Facial Nerve. - [Anatomy of Facial Nerve – Functional Components](https://www.theentresident.com/ent-notes-lectures/facial-nerve-functional-components.md): Notes on the anatomy, functional components, and clinical correlations of the Facial Nerve. - [Anatomy of Facial Nerve – Nuclei & Course](https://www.theentresident.com/ent-notes-lectures/facial-nerve-course.md): ENT notes on the nucleus, overall course, and the intricate anatomy of the intratemporal segments of the Facial Nerve. - [Anatomy of Inner Ear](https://www.theentresident.com/ent-notes-lectures/inner-ear-anatomy.md): Notes on Anatomy of Inner Ear, covering the bony and membranous labyrinths. - [Anatomy of Internal Nose](https://www.theentresident.com/ent-notes-lectures/nose-anatomy.md): Notes on the Anatomy of Internal nose - vestibule, nasal valves, boundaries of the nasal cavity, and clinical relevance - for medical students and ENT residents. - [Anatomy of Lateral Wall of Nose](https://www.theentresident.com/ent-notes-lectures/lateral-wall-of-nose-anatomy.md): Detailed ENT notes of Anatomy of Lateral wall of nose - components, blood supply, and clinical relevance - for medical students and ENT residents. - [Anatomy of Middle Ear - Contents](https://www.theentresident.com/ent-notes-lectures/middle-ear-anatomy-contents.md): ENT notes on the auditory ossicles, muscles, nerves, vessels, and mucosa of the middle ear cavity. - [Anatomy of Middle Ear - Walls & Parts](https://www.theentresident.com/ent-notes-lectures/middle-ear-anatomy-walls.md): Detailed ENT notes covering Anatomy of Middle Ear - parts, walls, structures, and clinical aspects of the middle ear cavity. - [Anatomy of Nasal Septum](https://www.theentresident.com/ent-notes-lectures/nasal-septum-anatomy.md): Notes on the Anatomy of Nasal septum - parts, blood supply, and clinical relevance - for medical students and ENT residents. - [Anatomy of Paranasal Sinuses](https://www.theentresident.com/ent-notes-lectures/paranasal-sinus-anatomy.md): ENT notes on Anatomy of Paranasal sinuses - drainage, relations, and clinical aspects - for medical students and ENT residents. - [Anatomy of Parotid Gland](https://www.theentresident.com/ent-notes-lectures/parotid-gland-anatomy.md): ENT notes on the parts, relations, lobes, nerve supply, blood supply, and lymphatic drainage of the parotid gland. - [Anatomy of Pharynx - Introduction](https://www.theentresident.com/ent-notes-lectures/anatomy-of-pharynx-introduction.md): A guide to the Anatomy of Pharynx for medical students and ENT residents. - [Anatomy of Submandibular and Sublingual Glands](https://www.theentresident.com/ent-notes-lectures/submandibular-sublingual-gland-anatomy.md): ENT notes on the parts, relations, lobes, nerve supply, blood supply, and lymphatic drainage of the Submandibular and Sublingual Glands. - [Anatomy of Superficial and Deep Cervical Fascia](https://www.theentresident.com/ent-notes-lectures/deep-cervical-fascia-layers.md): ENT notes on the superficial and Deep Cervical Fascia layers, their attachments, and relations - crucial for understanding deep neck spaces for medical students and ENT residents. - [Anatomy of the External Nose](https://www.theentresident.com/ent-notes-lectures/external-nose-anatomy.md): Notes on Anatomy of External nose -layers, framework, blood supply, innervation, lymphatics, and clinical relevance. - [Anatomy of the Tongue](https://www.theentresident.com/ent-notes-lectures/tongue-anatomy.md): ENT notes on the parts, structure, muscles, nerve supply, blood supply, and lymphatic drainage of the tongue. - [Anatomy of Thyroid Gland](https://www.theentresident.com/ent-notes-lectures/anatomy-of-thyroid.md): ENT notes on anatomy of thyroid gland - lobes, relations, blood supply, lymphatic drainage, nerve supply, and clinical importance. - [Anatomy of Tonsil - Parts, Functions, Blood Supply, Nerve Supply, Applied Anatomy](https://www.theentresident.com/ent-notes-lectures/tonsil-anatomy-function-parts.md): ENT notes on Anatomy of Tonsil - Parts, Functions, Blood Supply, Nerve Supply, Lymphatic Drainage, Applied Anatomy. - [Anatomy of Tympanic Membrane](https://www.theentresident.com/ent-notes-lectures/tympanic-membrane-anatomy.md): ENT notes on Anatomy of Tympanic Membrane - structure, parts, layers, blood supply, nerve supply, and clinical significance - for medical students and ENT residents. - [Antrochoanal Polyp vs Ethmoidal Polyp](https://www.theentresident.com/ent-notes-lectures/antrochoanal-vs-ethmoidal-polyp.md): Key differences between antrochoanal and ethmoidal polyp. Includes an easy mnemonic for exam recall. - [Atrophic Rhinitis](https://www.theentresident.com/ent-notes-lectures/atrophic-rhinitis.md): An overview of Atrophic Rhinitis, covering its definition, types, etiology, clinical features, investigations, complications, and management. - [Benign Intracranial Hypertension (Otitic Hydrocephalus)](https://www.theentresident.com/ent-notes-lectures/benign-intracranial-hypertension-otitic-hydrocephalus.md): ENT notes on Otitic Hydrocephalus - causes, pathology, clinical features, investigations, and treatment. - [Benign Salivary Gland Tumors](https://www.theentresident.com/ent-notes-lectures/benign-salivary-gland-tumors.md): ENT notes on Benign Salivary Gland Tumors - Causes, WHO Classification, Symptoms, Investigations and Treatment. - [Blood Supply of Tonsil - Easy Mnemonic](https://www.theentresident.com/ent-notes-lectures/tonsil-blood-supply-mnemonic.md): ENT notes on Blood Supply of Tonsil. - [Brodsky Grading of Tonsillar Enlargement](https://www.theentresident.com/ent-notes-lectures/brodsky-grading-tonsils.md): ENT notes on Brodsky grading system for assessing tonsillar size. - [Canal wall Down VS Canal wall Up Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/canal-wall-down-up-mastoidectomy.md): Key differences between Canal wall down and Canal wall up Mastoidectomy. - [Cholesteatoma](https://www.theentresident.com/ent-notes-lectures/cholesteatoma-symptoms-treatment.md): ENT notes on Cholesteatoma - definition, classification, etiology, theories, clinical features, investigations, and treatment. - [Chronic Suppurative Otitis Media (CSOM)](https://www.theentresident.com/ent-notes-lectures/chronic-suppurative-otitis-media.md): ENT notes on Chronic Suppurative Otitis Media - definition, classification, etiology, pathology, clinical features, investigations, and treatment. - [Clinical Case Discussion: Antrochoanal Polyp](https://www.theentresident.com/ent-notes-lectures/antrochoanal-polyp-case-presentation.md): A step-by-step ENT clinical case discussion on Antrochoanal Polyp, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Buccal Carcinoma (Oral Cavity Cancer)](https://www.theentresident.com/ent-notes-lectures/buccal-carcinoma-case-presentation.md): A step-by-step ENT clinical case discussion on Buccal Carcinoma, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Carcinoma Larynx (Glottic Carcinoma)](https://www.theentresident.com/ent-notes-lectures/carcinoma-larynx-case-presentation.md): A step-by-step ENT clinical case discussion on Carcinoma Larynx, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Chronic Suppurative Otitis Media (CSOM) - Atticoantral type](https://www.theentresident.com/ent-notes-lectures/atticoantral-csom-case-presentation.md): A step-by-step ENT clinical case discussion on Atticoantral CSOM, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Chronic Suppurative Otitis Media (CSOM) - Tubotympanic type](https://www.theentresident.com/ent-notes-lectures/tubotympanic-csom-case-presentation.md): A step-by-step ENT clinical case discussion on Tubotympanic CSOM, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Deviated Nasal Septum (DNS)](https://www.theentresident.com/ent-notes-lectures/deviated-nasal-septum-dns-case-presentation.md): A step-by-step ENT clinical case discussion on Deviated Nasal Septum (DNS)a, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Ethmoidal Polyp](https://www.theentresident.com/ent-notes-lectures/ethmoidal-polyp-case-presentation.md): A step-by-step ENT clinical case discussion on Ethmoidal Polyp, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Solitary Thyroid Nodule](https://www.theentresident.com/ent-notes-lectures/solitary-thyroid-nodule-case-presentation.md): A step-by-step ENT clinical case discussion on Solitary Thyroid Nodule, covering history, examination, diagnosis, and management. - [Clinical Case Discussion: Tonsillitis](https://www.theentresident.com/ent-notes-lectures/tonsillitis-case-presentation.md): A step-by-step ENT clinical case discussion on Tonsillitis, covering history, examination, diagnosis, and management. - [Complications of Acute Otitis Media](https://www.theentresident.com/ent-notes-lectures/complications-of-acute-otitis-media.md): A detailed overview of extracranial and intracranial complications of Acute Otitis Media - types, pathophysiology, clinical features, investigations, and treatment. - [Complications of CSOM](https://www.theentresident.com/ent-notes-lectures/complications-csom.md): ENT notes on Complications of CSOM - Intraoperative and Postoperative. - [Complications of Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/complications-mastoidectomy.md): ENT notes on Complications of Mastoidectomy - Intraoperative and Postoperative. - [Complications of Tracheostomy](https://www.theentresident.com/ent-notes-lectures/tracheostomy-complications.md): ENT notes on Complications of Tracheostomy. - [Cortical Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/cortical-mastoidectomy.md): ENT notes on Cortical Mastoidectomy - Definition, Aims, Indications, Contraindications, Procedure and Post operative care. - [Cottle’s Areas](https://www.theentresident.com/ent-notes-lectures/cottle-area.md): Learn the five anatomical zones of the nose as classified by Cottle. - [Cottle's Classification of Deviated Nasal Septum](https://www.theentresident.com/ent-notes-lectures/cottle-classification-dns.md): Understand the Cottle's classification of Deviated Nasal Septum. - [Cottle’s Line](https://www.theentresident.com/ent-notes-lectures/cottle-line.md): Understand the anatomical location and clinical relevance of Cottle's line in septal surgeries. - [Cottle’s Test](https://www.theentresident.com/ent-notes-lectures/cottle-test.md): Learn how to perform and interpret Cottle’s Test. - [Decannulation](https://www.theentresident.com/ent-notes-lectures/decannulation.md): ENT notes on Decannulation. - [Deep Neck Space Infections](https://www.theentresident.com/ent-notes-lectures/deep-neck-space-infections.md): ENT notes on Deep Neck Space Infections - sources, clinical features, diagnosis, management, and complications. - [Development of the Tongue](https://www.theentresident.com/ent-notes-lectures/development-of-tongue.md): Understand the embryological development of the tongue. - [Developmental Anomalies of the Tongue](https://www.theentresident.com/ent-notes-lectures/developmental-anomalies-of-tongue.md): Understand the congenital anomalies of the tongue, their embryological basis, and clinical relevance. - [Deviated Nasal Septum - Causes, Types, Clinical Features & Treatment](https://www.theentresident.com/ent-notes-lectures/deviated-nasal-septum-symptoms-treatment-types.md): ENT notes on Deviated Nasal Septum (DNS) - Definition, causes, classification, symptoms, examination findings, investigations, treatment and complications. - [Differential Diagnosis of Nasal Mass](https://www.theentresident.com/ent-notes-lectures/differential-diagnosis-nasal-mass.md): ENT notes on the classification and clinical appearance of various conditions presenting as a nasal mass. - [Drainage of Pharynx](https://www.theentresident.com/ent-notes-lectures/drainage-of-pharynx.md): A guide to the Drainage of Pharynx for medical students and ENT residents. - [ENT History Taking: Approach to a Nose Case](https://www.theentresident.com/ent-notes-lectures/history-taking-nose.md): A guide on taking a detailed history for nose related complaints, covering chief complaints, history of present illness, and relevant past/personal history. - [ENT History Taking: Approach to a Throat Case](https://www.theentresident.com/ent-notes-lectures/history-taking-throat.md): A guide on taking history for throat related complaints - chief complaints, history of present illness, past/personal history - for MBBS and ENT students. - [ENT History Taking: Approach to an Ear Case](https://www.theentresident.com/ent-notes-lectures/history-taking-ear.md): A guide on taking a detailed History for Ear related complaints, covering chief complaints, history of present illness, and relevant past/personal history. - [Extracranial Complications of CSOM](https://www.theentresident.com/ent-notes-lectures/extracranial-complications-csom.md): ENT notes on Extracranial Complications of CSOM - Intraoperative and Postoperative. - [False Negative Rinne Test Explained](https://www.theentresident.com/ent-notes-lectures/false-negative-rinne-test.md): A simple step by step explanation of False Negative Rinne Test, including MCQ solving strategy, mechanism, interpretation and high yield ENT viva points. - [Follicular Thyroid Carcinoma](https://www.theentresident.com/ent-notes-lectures/follicular-thyroid-carcinoma.md): ENT notes on Follicular Thyroid Carcinoma - Risk factors, Clinical Features, Histology, Investigations and Treatment. - [Glomus Tumor Signs Explained | Aquino Sign, Brown Sign, Phelps Sign & Rising Sun Sign](https://www.theentresident.com/ent-notes-lectures/rising-sun-phelp-brown-aquino-sign-glomus-tumor.md): ENT notes on signs seen in Glomus Tumors including Aquino Sign, Brown Sign, Phelps Sign and Rising Sun Sign. - [Gradenigo Syndrome](https://www.theentresident.com/ent-notes-lectures/gradenigo-syndrome.md): Understand the triad in Grdaenigo syndrome. - [Grommet / Tympanostomy tube / Ventilation tube](https://www.theentresident.com/ent-notes-lectures/grommet-tympanostomy-tube-ventilation.md): ENT notes on Grommet - materials used, features, types, indications, contraindications and complications. - [Guttman Sign Explained | Nose, Larynx and Thyroid](https://www.theentresident.com/ent-notes-lectures/guttman-sign-thyroid-larynx-nose.md): ENT notes on the different Gutman signs seen in the nose, larynx and thyroid. - [Halo Sign Explained in ENT](https://www.theentresident.com/ent-notes-lectures/halo-sign-csf-leak-otosclerosis.md): ENT notes on Halo Sign seen in ENT. - [How to Draw a Normal Tympanic Membrane](https://www.theentresident.com/ent-notes-lectures/draw-tympanic-membrane.md): A step-by-step guide to drawing and understanding a Normal Tympanic Membrane for ENT clinical exams and case presentations. - [How to Draw Tympanic Membrane Perforations](https://www.theentresident.com/ent-notes-lectures/draw-tympanic-membrane-perforations.md): A practical guide for MBBS and ENT students on representing different types of tympanic membrane perforations in clinical cases and viva exams. - [Hurthle cell Carcinoma of Thyroid](https://www.theentresident.com/ent-notes-lectures/hurthle-cell-thyroid-carcinoma.md): ENT notes on Hurthle cell Thyroid Carcinoma - Risk factors, Clinical Features, Histology, Investigations and Treatment. - [Ice Cream Cone Sign Explained in ENT](https://www.theentresident.com/ent-notes-lectures/ice-cream-cone-sign-ent.md): ENT notes on Ice Cream Cone Sign seen in ENT. - [Indirect Laryngoscopy Diagram - How to Draw and Label](https://www.theentresident.com/ent-notes-lectures/indirect-laryngoscopy-diagram.md): Step-by-step guide on how to draw and label an ideal indirect laryngoscopy diagram for ENT students, with clinical notes and labeling tips. - [Inner Ear fluids - Perilymph and Endolymph](https://www.theentresident.com/ent-notes-lectures/perilymph-endolymph.md): Quick notes on the fluids of the inner ear: endolymph and perilymph - useful for medical students and ENT residents. - [Inside out VS Outside in Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/inside-out-outside-in-mastoidectomy.md): Key differences between Inside out and Outside in Mastoidectomy. - [Intracranial Complications of CSOM](https://www.theentresident.com/ent-notes-lectures/intracranial-complications-csom.md): ENT notes on Intracranial Complications of CSOM. - [JNA Signs Explained | Holman Miller Sign, Chopstick Sign, Hondousa Sign, Ram Haran Sign](https://www.theentresident.com/ent-notes-lectures/jna-holman-miller-chopsticks-hondousa-ramharan-sign.md): ENT notes on important radiological signs seen in Juvenile Nasopharyngeal Angiofibroma. - [Labyrinthine Fistula](https://www.theentresident.com/ent-notes-lectures/labyrinthine-fistula.md): ENT notes on Labyrinthine Fistula - Causes, Pathology, Clinical Features, Investigations and Treatment. - [Labyrinthitis](https://www.theentresident.com/ent-notes-lectures/labyrinthitis-symptoms-treatment.md): ENT notes on Labyrinthitis - Types, Causes, Pathology, Clinical Features, Investigations and Treatment. - [Landmarks of Facial Nerve in Mastoid and Parotid surgeries](https://www.theentresident.com/ent-notes-lectures/facial-nerve-landmarks.md): Important landmarks to identify the facial nerve during parotid, middle ear, and mastoid surgeries. - [Laryngopharynx Anatomy](https://www.theentresident.com/ent-notes-lectures/laryngopharynx-anatomy.md): A guide to the Anatomy of Laryngopharynx for medical students and ENT residents. - [Larynx Anatomy - Cartilages, Ligaments, Membranes, and Joints](https://www.theentresident.com/ent-notes-lectures/larynx-anatomy-cartilages-ligaments.md): A guide to the cartilages, ligaments and membranes, joints of Larynx for medical students and ENT residents. - [Larynx Anatomy - Parts, Blood Supply, Lymphatic Drainage of Larynx](https://www.theentresident.com/ent-notes-lectures/larynx-blood-supply-lymphatic-drainage.md): A guide to the parts and drainage of Larynx for medical students and ENT residents. - [Larynx Anatomy - Spaces and Compartments of Larynx](https://www.theentresident.com/ent-notes-lectures/larynx-anatomy-spaces-compartments.md): A guide to the Spaces and Compartments of Larynx for medical students and ENT residents. - [Layers of Pharynx](https://www.theentresident.com/ent-notes-lectures/layers-of-pharynx.md): A guide to the five layers of the pharyngeal wall with clinical relevance, histology, and key anatomical details. - [Ludwig’s Angina](https://www.theentresident.com/ent-notes-lectures/ludwig-angina.md): Detailed anatomy, clinical presentation, and management of submental, submandibular, and sublingual space infections, including Ludwig’s Angina. - [Lymphatic Drainage of Tongue](https://www.theentresident.com/ent-notes-lectures/lymphatic-drainage-tongue.md): A detailed, clinically important overview of the lymphatic drainage of the tongue. - [Lymphatic Levels in the Neck](https://www.theentresident.com/ent-notes-lectures/lymph-node-levels-neck.md): Notes on Lymphatic Levels in Neck, their boundaries, structures drained, and significance in diagnosing head and neck malignancies - for medical students and ENT residents. - [Malignant Otitis Externa (Skull Base Osteomyelitis)](https://www.theentresident.com/ent-notes-lectures/malignant-otitis-externa.md): ENT notes on definition, etiology, pathogenesis, clinical features, staging, spread, diagnosis, investigations, management, prognosis, and complications of Malignant Otitis Externa. - [Malignant Salivary Gland Tumors](https://www.theentresident.com/ent-notes-lectures/malignant-salivary-gland-tumors.md): ENT notes on Malignant Salivary Gland Tumors - Causes, WHO Classification, Symptoms, Investigations and Treatment. - [Mastoiditis](https://www.theentresident.com/ent-notes-lectures/mastoiditis-symptoms-treatment.md): ENT notes on Mastoiditis - Types, Causes, Pathophysiology, Clinical Features, Investigations and Treatment. - [Medullary Thyroid Cancer](https://www.theentresident.com/ent-notes-lectures/medullary-thyroid-cancer.md): ENT notes on Medullary Thyroid Cancer - Risk factors, Clinical Features, Histology, Investigations and Treatment. - [Modified Radical Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/modified-radical-mastoidectomy.md): ENT notes on Modified Radical Mastoidectomy - Definition, Aims, Indications, Contraindications, Procedure and Post operative care. - [Mucoepidermoid Carcinoma](https://www.theentresident.com/ent-notes-lectures/mucoepidermoid-carcinoma-histology-treatment.md): ENT notes on Mucoepidermoid Carcinoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence. - [Mucormycosis and COVID19](https://www.theentresident.com/ent-notes-lectures/mucormycosis-covid19.md): Detailed ENT notes covering Mucormycosis in a COVID19 patient. - [Muscles of Larynx](https://www.theentresident.com/ent-notes-lectures/muscles-of-larynx.md): A guide to the Muscles of Larynx for medical students and ENT residents. - [Muscles of Pharynx](https://www.theentresident.com/ent-notes-lectures/muscles-of-pharynx.md): A guide to the Muscles of Pharynx for medical students and ENT residents. - [Muscles of Tongue](https://www.theentresident.com/ent-notes-lectures/muscles-of-tongue.md): A detailed overview of the muscles of the tongue. - [Myringotomy with Grommet Insertion](https://www.theentresident.com/ent-notes-lectures/myringotomy-grommet-insertion.md): ENT notes on Myringotomy with Grommet Insertion - Indications, Contraindications, Procedure, Postoperative care, and Complications. - [Nasopharyngeal Carcinoma - Causes, Symptoms, Spread](https://www.theentresident.com/ent-notes-lectures/nasopharyngeal-carcinoma-causes-symptoms-spread.md): ENT notes on Nasopharyngeal Carcinoma - Causes, Pathology, Symptoms, and Spread. - [Nasopharyngeal Carcinoma - Staging, Investigations, Treatment](https://www.theentresident.com/ent-notes-lectures/nasopharyngeal-carcinoma-staging-treatment.md): ENT notes on Nasopharyngeal Carcinoma - Staging, Investigations, Treatment. - [Nasopharynx Anatomy](https://www.theentresident.com/ent-notes-lectures/nasopharynx-anatomy.md): A guide to the Anatomy of Nasopharynx for medical students and ENT residents. - [Nerve Supply of Larynx - Recurrent Laryngeal Nerve and Superior Laryngeal Nerve](https://www.theentresident.com/ent-notes-lectures/recurrent-superior-laryngeal-nerve.md): A guide to the Nerve Supply of Larynx for medical students and ENT residents. - [Nerve Supply of Tongue](https://www.theentresident.com/ent-notes-lectures/nerve-supply-tongue.md): A detailed explanation of the motor and sensory nerve supply of the tongue. - [Organ of Corti – Anatomy, Structure and Clinical Relevance](https://www.theentresident.com/ent-notes-lectures/organ-of-corti.md): Detailed anatomy of the Organ of Corti - basilar membrane, tectorial membrane, cochlear hair cells and supporting cells - for medical students and ENT residents. - [Oropharynx Anatomy](https://www.theentresident.com/ent-notes-lectures/oropharynx-anatomy.md): A guide to the Anatomy of Oropharynx for medical students and ENT residents. - [Otitis Media with Effusion](https://www.theentresident.com/ent-notes-lectures/otitis-media-effusion-glue-ear.md): ENT notes on Otitis Media with Effusion - causes, pathology, clinical features, investigations, and treatment. - [Otogenic Brain Abscess](https://www.theentresident.com/ent-notes-lectures/otogenic-brain-abscess.md): ENT notes on Otogenic Brain Abscess - causes, pathology, clinical features, investigations, and treatment. - [Otosclerosis Part 1 - Causes, Pathogenesis, Types, Pathology](https://www.theentresident.com/ent-notes-lectures/otosclerosis-causes-types-pathogenesis.md): ENT notes on Otosclerosis - Definition, Causes, Pathogenesis, Types, Pathology. - [Otosclerosis Part 2 - Symptoms, Signs, Investigations, Differential diagnosis](https://www.theentresident.com/ent-notes-lectures/otosclerosis-symptoms-signs-differential.md): ENT notes on Otosclerosis - Symptoms, Signs, Investigations, Differential diagnosis. - [Otosclerosis Part 3 - Treatment](https://www.theentresident.com/ent-notes-lectures/otosclerosis-treatment-surgery-stapedotomy.md): ENT notes on Otosclerosis Treatment. - [Otosclerosis Signs Explained | Schwartz sign, Carhart’s notch, Halo sign, Paracusis willisii](https://www.theentresident.com/ent-notes-lectures/otosclerosis-schwartz-carhart-notch-paracusis-willisii.md): ENT notes on signs in Otosclerosis - Schwartz sign, Carhart’s notch, Halo sign, Paracusis willisii. - [Papillary Thyroid Carcinoma](https://www.theentresident.com/ent-notes-lectures/papillary-thyroid-carcinoma.md): ENT notes on Papillary Thyroid Carcinoma - Risk factors, Clinical Features, Histology, Investigations and Treatment. - [Paradise Criteria for Tonsillectomy](https://www.theentresident.com/ent-notes-lectures/paradise-criteria-tonsillectomy.md): ENT notes on Paradise Criteria for Tonsillectomy. - [Parapharyngeal Abscess](https://www.theentresident.com/ent-notes-lectures/parapharyngeal-abscess.md): Detailed anatomy of the Parapharyngeal Space, and the clinical features, diagnosis, treatment, and complications of Parapharyngeal Abscess. - [Pediatric VS Adult Tracheostomy](https://www.theentresident.com/ent-notes-lectures/pediatric-adult-tracheostomy.md): Key differences between Pediatric and Adult Tracheostomy. - [Perichondritis - Boxer’s Ear / Cauliflower Ear](https://www.theentresident.com/ent-notes-lectures/perichondritis-pinna-boxer-cauliflower-ear.md): ENT notes on Perichondritis of the ear including causes, pathogenesis, clinical features, investigations, treatment, complications. - [Peritonsillar Abscess (Quinsy)](https://www.theentresident.com/ent-notes-lectures/peritonsillar-abscess-quinsy.md): Detailed notes of anatomy of Peritonsillar Space, pathogenesis, clinical features, diagnosis, management, and complications of Peritonsillar Abscess (Quinsy) - for medical students and ENT residents. - [Petrositis](https://www.theentresident.com/ent-notes-lectures/petrositis.md): ENT notes on Petrositis - Causes, Pathophysiology, Clinical Features, Investigations and Treatment. - [Pharyngeal Arches and Their Derivatives](https://www.theentresident.com/ent-notes-lectures/pharyngeal-arch-derivatives.md): A detailed explanation of the pharyngeal arches, clefts, pouches, and their derivatives. - [Pleomorphic Adenoma](https://www.theentresident.com/ent-notes-lectures/pleomorphic-adenoma-histology-treatment.md): ENT notes on Pleomorphic Adenoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence. - [Post Tonsillectomy Hemorrhage - Primary, Reactionary and Secondary Hemorrhage](https://www.theentresident.com/ent-notes-lectures/post-tonsillectomy-hemorrhage-reactionary-secondary.md): ENT notes on Post Tonsillectomy Hemorrhage - Primary, Reactionary and Secondary. - [Posterior Rhinoscopy](https://www.theentresident.com/ent-notes-lectures/posterior-rhinoscopy.md): Learn how to perform Posterior Rhinoscopy, identify normal anatomical landmarks, recognize common abnormalities, and understand the practical difficulties faced during this ENT clinical examination. - [Radical Mastoidectomy](https://www.theentresident.com/ent-notes-lectures/radical-mastoidectomy.md): ENT notes on Radical Mastoidectomy - Definition, Aims, Indications, Contraindications, Procedure and Post operative care. - [Recurrent Laryngeal Nerve Course - Why is it different on both sides?](https://www.theentresident.com/ent-notes-lectures/recurrent-laryngeal-nerve-different-course.md): Understand the embryological and anatomical reasons behind the asymmetric course of the Recurrent Laryngeal Nerve - an important short question in ENT exams. - [Referred Pain in the Ear](https://www.theentresident.com/ent-notes-lectures/referred-pain-ear.md): Understand the nerve supply and various causes of referred otalgia. - [Relations of Hyoglossus Muscle](https://www.theentresident.com/ent-notes-lectures/hyoglossus-muscle-relations.md): Understand the superficial and deep relations of the hyoglossus muscle useful for anatomy theory and viva. - [Retropharyngeal Abscess](https://www.theentresident.com/ent-notes-lectures/retropharyngeal-abscess.md): Detailed Anatomy of Retropharyngeal Space, and clinical features, radiological diagnosis, and treatment of Retropharyngeal Abscess. - [Rhinoscleroma](https://www.theentresident.com/ent-notes-lectures/rhinoscleroma.md): An overview of Rhinoscleroma, covering its etiology, pathogenesis, pathology, stages, diagnosis, management, and complications. - [Rhinosporidiosis](https://www.theentresident.com/ent-notes-lectures/rhinosporidiosis.md): An overview of Rhinosporidiosis for MBBS and ENT students covering etiology, transmission, pathology, clinical signs, investigations, and treatment. - [Rose Position](https://www.theentresident.com/ent-notes-lectures/rose-position.md): ENT notes on Rose Position. - [Sade Classification - Pars Tensa Retraction](https://www.theentresident.com/ent-notes-lectures/sade-classification.md): Understand the Sade classification of pars tensa retraction, with schematic representations and endoscopic correlations. - [Sigmoid Sinus Thrombosis](https://www.theentresident.com/ent-notes-lectures/sigmoid-sinus-thrombosis.md): ENT notes on Sigmoid Sinus Thrombosis - causes, pathology, clinical features, investigations, and treatment. - [Signs in Acoustic Neuroma | Hitzelberger Sign & Ice Cream Cone Sign](https://www.theentresident.com/ent-notes-lectures/acoustic-neuroma-signs-hitzelberger-icecream-cone-sign.md): ENT notes on signs seen in Acoustic Neuroma - Hitzelberger Sign and Ice Cream Cone Sign. - [Signs in Chronic Tonsillitis | Irwin Moore Sign & Wood's Sign](https://www.theentresident.com/ent-notes-lectures/chronic-tonsillitis-irwin-moore-wood-sign.md): ENT notes on named signs seen in Chronic Tonsillitis - Irwin Moore Sign & Wood's Sign. - [SMR VS Septoplasty](https://www.theentresident.com/ent-notes-lectures/smr-vs-septoplasty-differences.md): Key differences between SMR and Septoplasty. - [Steeple Sign, Thumb Sign & Tripod Sign Explained | Croup vs Epiglottitis](https://www.theentresident.com/ent-notes-lectures/steeple-croup-thumb-tripod-sign-epiglottitis.md): ENT notes on Steeple sign, Thumb sign and Tripod sign. - [Stridor VS Stertor](https://www.theentresident.com/ent-notes-lectures/stridor-vs-stertor-differences.md): Key differences between Stridor and Stertor. - [Theories of Cholesteatoma - Wittmack, Habermann, Ruedi, Sade](https://www.theentresident.com/ent-notes-lectures/cholesteatoma-theories-wittmack-sade-habermann-ruedi.md): ENT notes on Theories of Cholesteatoma. - [Thyroid Cancer](https://www.theentresident.com/ent-notes-lectures/thyroid-cancer-causes-symptoms-staging.md): ENT notes on Thyroid Cancer - Classification, Risk factors, Staging, Investigations and Treatment. - [Tonsillar Bed Structures](https://www.theentresident.com/ent-notes-lectures/tonsillar-bed.md): A guide to a mnemonic to remember the Structures of Tonsillar Bed for medical students and ENT residents. - [Tonsillectomy & Adenoidectomy Instruments](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-instruments-adenoidectomy.md): ENT notes on Tonsillectomy & Adenoidectomy Instruments - Identification, Uses, Advantages & Disadvantages. - [Tonsillectomy Part 1 - Definition, Indications and Contraindications](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-indications-definition-contraindications.md): ENT notes on Tonsillectomy - Definition, Indications, Contraindications. - [Tonsillectomy Part 2 - Tonsillectomy Techniques - Hot & Cold Methods](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-techniques-methods.md): ENT notes on Tonsillectomy Techniques - Hot & Cold Methods. - [Tonsillectomy Part 3 - Hot Tonsillectomy vs Interval Tonsillectomy](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-types-hot-interval.md): ENT notes on Tonsillectomy Types - Hot Tonsillectomy vs Interval Tonsillectomy. - [Tonsillectomy Part 4 - Procedure & Post operative care](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-procedure-postop-care.md): ENT notes on Tonsillectomy - Procedure & Post operative care. - [Tonsillectomy Part 5 - Complications of Tonsillectomy](https://www.theentresident.com/ent-notes-lectures/tonsillectomy-complications.md): ENT notes on Tonsillectomy Complications - immediate and delayed complications. - [Tos Classification - Pars Flaccida Retraction](https://www.theentresident.com/ent-notes-lectures/tos-classification.md): Understand the Tos classification of pars flaccida retraction, with schematic representations and endoscopic correlations. - [Tracheostomy - Definition, Indications, Contraindications & Types](https://www.theentresident.com/ent-notes-lectures/tracheostomy-definition-types-indications-contraindications.md): ENT notes on Tracheostomy - Definition, Indications, Contraindications, Types, Advantages, Disadvantages and Functions. - [Tracheostomy - Procedure, Steps & Postoperative care](https://www.theentresident.com/ent-notes-lectures/tracheostomy-procedure-steps-postoperative-care.md): ENT notes on Tracheostomy - Procedure, Steps & Postoperative care. - [Tracheostomy Instruments](https://www.theentresident.com/ent-notes-lectures/tracheostomy-instruments.md): ENT notes on Tracheostomy Instruments - Identification, Uses, Advantages & Disadvantages. - [Tracheostomy Tubes](https://www.theentresident.com/ent-notes-lectures/tracheostomy-tubes.md): ENT notes on Tracheostomy Tubes. - [Triangles in Thyroid Surgery](https://www.theentresident.com/ent-notes-lectures/triangles-in-thyroid-surgery.md): ENT notes on key anatomical triangles in thyroid surgery - boundaries, contents, and clinical significance. - [Trigeminal Neuralgia](https://www.theentresident.com/ent-notes-lectures/trigeminal-neuralgia.md): An overview of Trigeminal Neuralgia - definition, etiology, clinical features, diagnosis, differential diagnosis, and management. - [Tuberculosis of Larynx - Etiopathogenesis, Clinical Features, Diagnosis & Treatment](https://www.theentresident.com/ent-notes-lectures/tuberculosis-larynx-turban-epiglottis-mouse-nibbled-appearance.md): ENT notes on Tuberculosis of Larynx - Etiopathogenesis, Symptoms & signs, investigations, treatment and complications. - [Tuning Fork Tests in ENT | Rinne, Weber, Absolute Bone Conduction, Schwabach, Bing & Gelle Test](https://www.theentresident.com/ent-notes-lectures/tuning-fork-tests-rinne-weber-absolute-bone-conduction.md): ENT notes on Tuning Fork Tests including Rinne Test, Weber Test, Absolute Bone Conduction Test, Schwabach Test, Bing Test and Gelle Test. - [Tympanoplasty Part 1 - Definition, Types, Grafts, Indications, Contraindications](https://www.theentresident.com/ent-notes-lectures/tympanoplasty-types-indications-contraindications.md): ENT notes on Tympanoplasty - definitions, types, graft materials, indications, contraindications and preoperative evaluation. - [Tympanoplasty Part 2 - Approaches, Techniques, Steps & Complications](https://www.theentresident.com/ent-notes-lectures/tympanoplasty-approaches-techniques-steps.md): ENT notes on surgical approaches, Underlay and Overlay grafting, surgical steps and complications of Tympanoplasty - for MBBS and ENT students. - [Types of Cholesteatoma - Congenital & Acquired Cholesteatoma](https://www.theentresident.com/ent-notes-lectures/cholesteatoma-types-congenital-acquired.md): ENT notes on Types of Cholesteatoma. - [Types of Tympanoplasty - Wullstein Classification](https://www.theentresident.com/ent-notes-lectures/types-of-tympanoplasty.md): A complete guide to the Wullstein classification of tympanoplasty. Detailed notes on all 5 types - for MBBS and ENT PG students. - [Vallecula - Anatomy, Boundaries, Nerve Supply & Clinical Significance](https://www.theentresident.com/ent-notes-lectures/vallecula.md): ENT notes on vallecula - it's anatomy, nerve supply, clinical importance - for MBBS and ENT students. - [Warthin Tumor](https://www.theentresident.com/ent-notes-lectures/warthin-tumor-histology-treatment.md): ENT notes on Warthin Tumor - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence. ## Optional > Secondary links: legal pages, the paid-student login portal, and social profiles. - [Terms of Service](https://www.theentresident.com/legal/terms-of-service.md): The terms that govern use of The ENT Resident website and its products. - [Privacy Policy](https://www.theentresident.com/legal/privacy-policy.md): How The ENT Resident collects, uses, and protects personal information. - [Login](https://app.theentresident.com/login): Access portal for paid students to view their purchased notes. - [Instagram](https://www.instagram.com/the.ent.resident): Visual notes for ENT postgraduates, diagrams, and quick tips. - [Facebook](https://www.facebook.com/p/The-ENT-Resident-100054634696046/): Follow on Facebook for ENT Residency updates. - [Twitter/X](https://x.com/drmausumidas): Follow on X (Twitter) for ENT Residency updates.