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Radiology Forum
August 2000

Imaging Quiz Case 3

Arch Otolaryngol Head Neck Surg. 2000;126(8):1030-1037. doi:

A 30-YEAR-OLD white man presented with a pink polypoid lesion on the posterior wall of his nasopharynx and a 3-month history of occasional occipital headache, for which he took aspirin. An initial diagnosis made previously at another service was antrochoanal polyp (Figure 1, arrow). During fibronasolaryngoscopy, it became evident that the lesion, which was approximately 3 cm long, was pedunculated and that it had originated on the right posterolateral wall of the nasopharynx (Figure 2 [L indicates lesion; SP, soft palate]). A computed tomographic scan showed that the lesion was restricted to the mucosa and that there was no communication with adjacent structures (Figure 3, arrow). To clarify the nature of the tumor, we decided to perform a biopsy with the patient under general anesthesia. The lesion was clamped and incised next to its base, through the oropharynx. Hemostasis was performed with electrocoagulation of the stump. The lesion was sent for pathological analysis (Figure 4).

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