
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Trichoepithelioma
Introduction
Overview
Overview
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]
Pathology
Pathology
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.
Diagnosis
Diagnosis
Physical Examination
Skin
Face
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Trichoepithelioma. Adapted from Dermatology Atlas.[4]
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Trichoepithelioma. Adapted from Dermatology Atlas.[4]
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Trichoepithelioma. Adapted from Dermatology Atlas.[4]
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Trichoepithelioma. Adapted from Dermatology Atlas.[4]
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Trichoepithelioma. Adapted from Dermatology Atlas.[4]
See also
See also
References
References
- ↑ “Trichoepithelioma: Overview – eMedicine Dermatology”. Retrieved 2009-02-11.
- ↑ 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. doi:10.1158/0008-5472.CAN-04-0307. PMID 15289313.
- ↑ James, William D.; Berger, Timothy G.; et al. (2006). Andrews’ Diseases of the Skin: Clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
- ↑ 4.0 4.1 4.2 4.3 4.4 “Dermatology Atlas”.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Kiran Singh, M.D. [2]

![Trichoepithelioma. Adapted from Dermatology Atlas.[4]](https://www.wikidoc.org/images/7/7a/Trichoepithelioma01.jpg)
![Trichoepithelioma. Adapted from Dermatology Atlas.[4]](https://www.wikidoc.org/images/d/dd/Trichoepithelioma02.jpg)
![Trichoepithelioma. Adapted from Dermatology Atlas.[4]](https://www.wikidoc.org/images/b/b0/Trichoepithelioma03.jpg)
![Trichoepithelioma. Adapted from Dermatology Atlas.[4]](https://www.wikidoc.org/images/d/d6/Trichoepithelioma04.jpg)
![Trichoepithelioma. Adapted from Dermatology Atlas.[4]](https://www.wikidoc.org/images/2/2d/Trichoepithelioma05.jpg)