Antrochoanal polyp

Case contributed by Dr David Cuete


Inspiratory difficulty, sleep apnoea

Patient Data

Age: 20

CT Sinus

CT through the paranasal sinuses demonstrates a low density mass filling the maxillary sinus protruding though an enlarged maxillary ostium.

Case Discussion

The findings are compatible with antrochoanal polyp.

The antrochoanal polyp, a benign solitary polypoid lesion, usually arises in a maxillary sinus, opacifying and enlarging the sinus cavity, without bone destruction. It passes through the ostium of the sinus into the choana, and from there into the posterior nasopharynx. The soft tissue mass does not erode or destroy contiguous soft tissue or bony structures. 

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Case information

rID: 33984
Published: 8th Feb 2015
Last edited: 16th Jul 2018
System: Head & Neck
Inclusion in quiz mode: Included

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