---
title: "Brodsky Grading of Tonsillar Enlargement"
description: "ENT notes on Brodsky grading system for assessing tonsillar size."
source: "The ENT Resident"
author: "Dr. Mausumi Das"
canonical_url: "https://www.theentresident.com/ent-notes-lectures/brodsky-grading-tonsils"
categories: ["Pharynx", "Classifications and Gradings in ENT"]
video: "https://www.youtube.com/watch?v=1FcZTKMdby0"
image: "https://media.theentresident.com/og-images/brodsky-grading-tonsils.png"
---

# Brodsky Grading of Tonsillar Enlargement

ENT notes on Brodsky grading system for assessing tonsillar size. Watch the full video lecture on YouTube: https://www.youtube.com/watch?v=1FcZTKMdby0

Brodsky grading helps assess the **degree of oropharyngeal airway obstruction** and is particularly useful in pediatric obstructive sleep apnea (OSA) and surgical decision-making.

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### 🔍 What is Brodsky's Grading?

> Note: While students sometimes refer to this as the **Brodsky scale**, the correct clinical terminology is the Brodsky grading system.

**Brodsky grading system** classifies the size of the tonsils based on the **percentage of the oropharyngeal airway** they occupy.

Here is the step-by-step breakdown for the clinical grading of tonsils:

#### ✅ Grade 0
- **Tonsils lie completely within the tonsillar fossa**
- Not visible or barely protruding
- Seen typically in patients post-tonsillectomy or with atrophic tonsils

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#### ✅ Grade 1
- Tonsils occupy **< 25%** of the oropharyngeal width
- **Minimal airway obstruction**
- Mildly enlarged

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#### ✅ Grade 2
- Tonsils occupy **25–50%** of the oropharyngeal width
- May cause **mild airway obstruction**

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#### ✅ Grade 3
- Tonsils occupy **50–75%** of the oropharyngeal width
- Associated with **moderate airway obstruction**

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#### ✅ Grade 4 
- Tonsils occupy **> 75%** of the oropharyngeal width
- Tonsils **touch or nearly touch in the midline**
- Often referred to as **“kissing tonsils”**
- Associated with **severe airway obstruction**

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### 🩺 Clinical Significance of Brodsky Grading

- Assigning a **Brodsky tonsil grade** helps evaluate the **severity of airway compromise**, especially in:
  - Pediatric **Obstructive Sleep Apnea (OSA)**
  - **Chronic or recurrent tonsillitis**

- Aids decision making for **tonsillectomy**

> Note: This topic is a common viva question in ENT practical examinations, where examiners ask you to outline the Brodsky tonsil grading scale.

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## About This Note

This free ENT note on Brodsky Grading of Tonsillar Enlargement 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/brodsky-grading-tonsils

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

## Related Notes by Category

- Pharynx: https://www.theentresident.com/ent-notes-lectures/category/pharynx.md
- Classifications and Gradings in ENT: https://www.theentresident.com/ent-notes-lectures/category/classifications-and-gradings-in-ent.md

## About The ENT Resident

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

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