A 44-YEAR-OLD woman presented with a several-year history of an egg-sized tumor that appeared occasionally on left side of her neck, especially when she strained or leaned forward. The tumor was not related to the ingestion of food, and it disappeared spontaneously or with finger compression. A few years earlier, sialography of the left submandibular salivary gland and pantomography of the jaws revealed no abnormalities. However, on previous ultrasonography, a 1.2-cm-diameter, round, hypoechoic tumor was observed beside the ramus of mandible. A fine-needle aspiration biopsy was also performed, but only blood was seen on cytological examination of the aspirate. The tumor was not clinically detectable at a follow-up visit, and no other examination was carried out.
Hirvonen TP, Piilonen A. Imaging Quiz Case 2. Arch Otolaryngol Head Neck Surg. 2000;126(10):1267–1271. doi:
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