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Follicular hybrid cyst on the cheek: A combination of infundibular, isthmic, and pilomatrical differentiation.
Indian J Pathol Microbiol ; 2012 Oct-Dec 55(4): 563-565
Article in English | IMSEAR | ID: sea-145665
ABSTRACT
A hybrid cyst is a rare condition which includes any type of cyst arising from the various parts of the pilosebaceous unit. We report a case of hybrid cyst with infundibular, isthmic, and pilomatrical differentiation. A 12-year-old boy presented with a mass on the right cheek. The physical examination revealed an oval-shaped, dark-gray protruding mass with dimensions of 0.9 cm × 0.6 cm that was non-tender to palpation. The mass was totally excised. The diagnosis of a hybrid cyst was confirmed by histological evaluation. It was a well-encapsulated mass and showed combined histologic features of infundibular, isthmus, and pilomatrical differentiation. The hybrid cyst is a follicular cyst that includes two or more components of a cystic lesion arising from the pilosebaceous unit. Occasionally, there have been reports of hybrid cysts consisting of two components in differentiation, but those showing more than two components of differentiation have been extremely rare. The pathogenesis of this unusual disease is not yet known.
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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Follicular Cyst / Humans / Male / Cheek / Child / Pilomatrixoma / Epidermal Cyst Language: English Journal: Indian J Pathol Microbiol Year: 2012 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Follicular Cyst / Humans / Male / Cheek / Child / Pilomatrixoma / Epidermal Cyst Language: English Journal: Indian J Pathol Microbiol Year: 2012 Type: Article