Antrochoanal polyp

Case contributed by Dr Fakhry Mahmoud Ebouda

Presentation

Difficulty in breathing, blocked nose and chronic headache.

Patient Data

Age: 40 years.
Gender: Male
CT

Homogeneous low density mass lesion is seen filling the entire right maxillary antrum. It protrudes through the widened maxillary antral ostium into the corresponding choana to reach the posterior nasopharynx.

Case Discussion

Antrochoanal polyp is a solitary sinonasal polyp arises from the maxillary antrum and passes through an enlarged ostium to protrude into nasal cavity and nasopharynx.

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