---
title: "Acute Mastoiditis VS Furunculosis"
description: "Know the differences between acute mastoiditis and furunculosis."
source: "The ENT Resident"
author: "Dr. Mausumi Das"
canonical_url: "https://www.theentresident.com/ent-notes-lectures/acute-mastoiditis-furunculosis"
categories: ["Otology", "Short Questions in ENT", "Differences Tables in ENT"]
video: "https://www.youtube.com/watch?v=TgiJqa7gmZA"
image: "https://media.theentresident.com/og-images/acute-mastoiditis-furunculosis.png"
---

# Acute Mastoiditis VS Furunculosis

Know the differences between acute mastoiditis and furunculosis. Watch the full video lecture on YouTube: https://www.youtube.com/watch?v=TgiJqa7gmZA

## Acute Mastoiditis V/S Furunculosis

| Feature | Mastoiditis | Furunculosis |
| --- | --- | --- |
| Preceding history | Otitis media | Self-cleaning of ear |
| Discharge | Mucoid/ mucopurulent | Purulent ± blood, never mucoid |
| Pinna position | Outwards & downwards | Outwards & laterally |
| Postauricular groove | Obliterated | Preserved/accentuated |
| Tenderness | Mastoid process & Simpa conca | Tragal tenderness |
| EAC findings | Posterior superior canal wall sagging | Red, tender furuncle |
| Tympanic membrane | Inflamed/ perforated/ bulging | Normal |
| Mastoid | Ironed-out appearance | Normal |
| Hearing loss | Conductive | None or mild conductive |
| Fever/systemic signs | Present | Absent |
| Lymph nodes | May be enlarged & tender | Absent |

---

## About This Note

This free ENT note on Acute Mastoiditis VS Furunculosis was written by Dr. Mausumi Das and is paired with a corresponding video lecture.

Canonical page of this note: https://www.theentresident.com/ent-notes-lectures/acute-mastoiditis-furunculosis

When citing or referencing this content, please credit The ENT Resident and link to the canonical page above.

## Related Notes by Category

- Otology: https://www.theentresident.com/ent-notes-lectures/category/otology.md
- Short Questions in ENT: https://www.theentresident.com/ent-notes-lectures/category/short-questions-in-ent.md
- Differences Tables in ENT: https://www.theentresident.com/ent-notes-lectures/category/differences-tables-in-ent.md

## About The ENT Resident

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.

Dr. Mausumi Das writes the notes, draws the diagrams, and records the lectures herself.

Browse all ENT notes and lectures on The ENT Resident: https://www.theentresident.com/ent-notes-lectures.md

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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.

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