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

The ultrasonographic features of 6 histologically proven dermoid and epidermoid 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 keratin...

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Bibliographic Details
Published inJournal of clinical ultrasound Vol. 19; no. 8; p. 455
Main Authors Yasumoto, M, Shibuya, H, Gomi, N, Kasuga, T
Format Journal Article
LanguageEnglish
Published United States 01.10.1991
Subjects
Adult
Dermoid Cyst - diagnostic imaging
Epidermal Cyst - diagnostic imaging
Female
Head and Neck Neoplasms - diagnostic imaging
Humans
Lip Diseases - diagnostic imaging
Male
Mandibular Diseases - diagnostic imaging
Ultrasonography
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Summary:The ultrasonographic features of 6 histologically proven dermoid and epidermoid 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.
ISSN:0091-2751
DOI:10.1002/jcu.1870190802