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Ultrasonographic appearance of dermoid and epidermoid cysts in the head and neck

✍ Scribed by Mayumi Yasumoto; Hitoshi Shibuya; Naoya Gomi; Tsutomu Kasuga

Publisher: John Wiley and Sons
Year: 1991
Tongue: English
Weight: 831 KB
Volume: 19
Category: Article
ISSN: 0091-2751
DOI: 10.1002/jcu.1870190802

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✦ Synopsis

The ultrasonographic features of 6 histologically proven dermoid and epi- dermoid cysts in the head and neck are reported. All 6 cysts had internal echoes, with a solid appearance. Five of the 6 were echogenic, with only slight or no posterior echo enhancement. Amorphous keratinous debris from keratinizing stratified squamous epithelium filled the lumen of each cyst, producing the internal echoes. Most of the true solid tumors examined were generally of lower echogenicity, and could be differentiated from dermoid and epidermoid cysts ultrasonographically, although lipomas were indistinguishable from these cysts. Indexing Words: Neck ultrasonography -Dermoid cyst * Epidermoid cyst * Superficial masses -Cyst From the Department of Radiology, and the

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