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Updated: 2017-03-30T23:25Z
Trichoepithelioma - high mag.jpg
Micrograph of a trichoepithelioma. H&E stain.
Classification and external resources
ICD-10D23 (ILDS D23.L13)
Patient UKTrichoepithelioma
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Trichoepithelioma is a neoplasm of the adnexa of the skin.[1] Its appearance is similar to basal cell carcinoma.

One form has been mapped to chromosome 9p21.[2]


Trichoepitheliomas may be divided into the following types:[3]:672


Trichoepitheliomas consisted of nests of basaloid cells. They lack the myxoid stroma and artefactual clefting seen in basal cell carcinoma. Mitoses are uncommon when compared to basal cell carcinoma.

See also


  1. ^ "Trichoepithelioma: Overview - eMedicine Dermatology". Retrieved 2009-02-11. 
  2. ^ Salhi A, Bornholdt D, Oeffner F, et al. (August 2004). "Multiple familial trichoepithelioma caused by mutations in the cylindromatosis tumor suppressor gene". Cancer Res. 64 (15): 5113–7. PMID 15289313. doi:10.1158/0008-5472.CAN-04-0307. 
  3. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: Clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0. 
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