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Radiology Forum
August 2000

Imaging Quiz Case 4

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

A 66-YEAR-OLD man presented with a 1-week history of otalgia and otorrhea. He was diagnosed as having otitis externa and was treated accordingly. At presentation, a visible oval 2 × 3-cm-diameter mass was discovered in the right parotid region, adjacent to the mandible. The mass, which was painless, had a stony consistency and was fixed to the mandible. The patient's medical history was unremarkable.

The results of a cranial nerve examination were normal, and there were no other palpable neck or parotid masses. Fiberoptic nasoendoscopy of the nasopharynx and laryngopharynx did not reveal any focal abnormalities. Fine-needle aspiration cytology was performed, but the aspirate was acellular. A second cytological examination was performed 2 weeks later, with the same result. The computed tomographic scan is shown in Figure 1.

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