Allergic fungal sinusitis

Case contributed by Dr Werner Harmse


Young adult male with clinical chronic sinusitis.

Patient Data

Age: 35
Gender: Male

Unenhanced CT

Opacification with associated expansion, remodelling and erosive changes seen in the right sphenoid sinus. Content within sinus is hyperdense (HU=101, best seen on soft tissue window), with peripheral lower density mucosa. This projects through the sphenoethmoidal recess and into the posterior nasal passage. Hyperdense material represent high density fungal hyphae and findings are consistent with allergic fungal sinusitis.

Sagittal reformat additionally showed multiple small polypoid projections in the right nasal passage consistent with early sinonasal polyposis.

Case Discussion

This case shows CT morphology of allergic fungal sinusitis.

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Case information

rID: 37733
Published: 19th Jun 2015
Last edited: 16th Jul 2018
System: Head & Neck
Inclusion in quiz mode: Included

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