Back issues No.3 - 2001 / Case Report  

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Successful Treatment of Linear Trichoepithelioma with Carbon Dioxide Laser —A Case Report—
Chung-Chu Ning, Hamm-Ming Sheu, Ying-Chung Chen, Sheau-Chiou Chao
Dermatol Sinica 19: 221-224, 2001

Trichoepitheliomas are benign neoplasms and can occur as either solitary or multiple lesions. Multiple lesions are inherited as an autosomal dominant trait. They usually appear at puberty and are distributed symmetrically over the central area of the face. Only two cases of multiple trichoepitheliomas presenting as a linear streak and in a dermatomal distribution have been reported. We describe a new case of multiple trichoepitheliomas with a linear distribution over the nasal bridge and left nasal sidewall. The distribution corresponds to the dermatomal area of the trigeminal nerve (V1 division, nasociliary branch). Dramatic clinical improvement followed carbon-dioxide laser treatment. There has been no evidence of recurrence over four years of follow-up.

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