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Trichilemmal Cyst: Report of a Case in Which the Cyst Was Connected with the Epidermis by an Epidermal Canal
Author(s) -
Dekio Satoshi,
Jidoi Joji
Publication year - 1992
Publication title -
the journal of dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 65
eISSN - 1346-8138
pISSN - 0385-2407
DOI - 10.1111/j.1346-8138.1992.tb03231.x
Subject(s) - epidermis (zoology) , cyst , epidermal cyst , anatomy , biology , histopathological examination , hair follicle , pathology , medicine , microbiology and biotechnology
An 87‐year‐old Japanese woman with a trichilemmal cyst (TC) on the subnasal area is described. Histopathological examination revealed that the cyst was connected with the overlying epidermis by an epidermal canal. This has suggested that the pathogenesis of TCs could be that they originate from the isthmus or lower portion of the hair follicle.