A case of trichilemmal carcinoma

Bong Kyun Ahn, You Chan Kim, Soo Chan Kim

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Trichilemmal carcinoma is a rare adnexal tumor originating from outer root sheath of hair follicle. We report a case of trichilemmal carcinoma occurring on the scalp. A 71-year-old women presented with a nodule on the vertex of scalp. Histopathologically, tumor cells showed a lobular proliferation in continuity with the epidermis. The lobules showed peripheral palisading and trichilemmal keratinization. The prominent tumor cells were large cells with PAS-reactive, diastase-sensitive, clear cytoplasm. Striking cytologic atypia and high mitotic index were found. Total excision was done and the patient has been free of recurrence or metastasis for 1 year.

Original languageEnglish
Pages (from-to)654-656
Number of pages3
JournalKorean Journal of Dermatology
Issue number5
Publication statusPublished - 2003 May 1

All Science Journal Classification (ASJC) codes

  • Dermatology

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    Ahn, B. K., Kim, Y. C., & Kim, S. C. (2003). A case of trichilemmal carcinoma. Korean Journal of Dermatology, 41(5), 654-656.