Radiology quiz case 1. Infarcted angiomatous polyps of the maxillary sinus.

摘要

A 72-year-old man presented with a 1-year history of right-sided nasal obstruction, right exotropia, and diplopia. Endoscopic examination revealed a reddish solid mass occupying the right middle meatus, with prominent bulging of the lateral nasal wall. The contralateral nasal cavity and nasopharynx were unremarkable.