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Dermatology Online Journal

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An unusual case of multiple grouped non-familial trichoepitheliomas


Trichoepitheliomas (TEs) are benign and rare adnexal hamartomas of the pilosebaceous units. Trichoepitheliomas could occur in the setting of an underlying genetic disorder with multiple TEs or as solitary non-hereditary TEs. We report a healthy 32-year-old woman with sporadic multiple clustered and non-segmental TEs without positive family history. There have been two other cases reported in the literature that had non-familial multiple TEs, one was facially disfiguring and the other was in a segmental pattern. Our case has been the only one reported in the English literature which has sporadic, multiple TEs clustered unilaterally and non-segmentally on the trunk.

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