Antrochoanal polyp

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Right nasal obstruction.

Patient Data

Age: 30 years
Gender: Male
ct
This study is a stack
non-contrast
This study is a stack
Axial bone
window
This study is a stack
Coronal
bone window
This study is a stack
Sagittal
bone window
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Info

Well-defined polypoid mass arising from the right maxillary sinus, extending into the nasopharynx through an enlarged maxillary ostium. No associated bony destruction is seen.

Deviated nasal septum to the left.

Case Discussion

CT features of an antrochoanal polyp.

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