Desmoplastic trichoepithelioma: a case report and literature review

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Author:
LI Cheng-rang(Institute of Dermatology,Chinese Academy of Medical Sciences and Peking Union Medical College,Nanjing 210042,China)
ZENG Xue-si(Institute of Dermatology,Chinese Academy of Medical Sciences and Peking Union Medical College,Nanjing 210042,China)
GONG Juan-qin(Institute of Dermatology,Chinese Academy of Medical Sciences and Peking Union Medical College,Nanjing 210042,China)
Journal Title:
INTERNATIONAL JOURNAL OF DERMATOLOGY AND VENEREOLOGY
Issue:
Volume 36, Issue 01, 2010
DOI:
10.3760/cma.j.issn.1673-4173.2010.01.005
Key Word:
Trichoepithelioma;Connective tissue;Hyperplasia

Abstract: A case of desmoplastic trichoepithelioma is reported and relevant literature is reviewed.A 76-year-old female patient complained of erythematous annular plaque on the left upper lip for more than 10 years.The annular plaque measuring 1cm in diameter is firm on palpation with a raised border and smooth surface.Histologically,there was an evident proliferation of collagen fiber in dermis with narrow strands of basaloid cells and epidermoid cysts infiltrating the desmoplastic stroma.

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