COD 176 - Atolls

The atoll sign and reversed ground glass

Bhavin Jankharia

Index and Table of Contents

116 Cases with Videos
4 Cases with Images
30 Snippets
16 Lectures
31 Cases of the Day (CODs)
New Series - ILD Patterns (2 Done)

Index and Table of Contents
Technical and Practice Issues * Case 11: 62-years old misdiagnosed to have interstitial lung disease - mid-inspiratory and expiratory scans * Snippet 03: Radiation risk and CT chest * Case 23: 60-years old - 40-pack years smoker - right upper lobe nodule - resolved using “mean” reconstructions…

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Case

65-years old on pembrolizumab for metastatic renal cell carcinoma has mild breathlessness

The CT scan shows confluent lesions with central lucency and peripheral high density rings.

The video describes the atoll or reversed ground glass sign, explaining the etymology and describing common causes of this sign.

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