Antrochoanal polyp

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Nasal obstruction

Patient Data

Age: 50 years
Gender: Male
ct

There is a well-defined mass arising from the right maxillary sinus and extending into the nasopharynx through an enlarged maxillary ostium.

Case Discussion

CT features of an antrochoanal polyp (ACP).

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