抄録
Calcifying epithelioma (pilomatrixoma) is a benign cutaneous tumor derived from skin appendages, such as pilomatrix. It is usually a solitary tumor and commonly found on the head, neck, and upper extremities inyoung-adult women; multiple occurrences are rare. Histopathologically, the tumor is composed of basophilic cellsand eoshinophilic shadow cells with occasional calcification and bone formation.
A 20-year-old woman presented to our clinic with a 4-year history of amass arising in the inferior part of theright auricle. Examinations revealed two other solitary masses on both forearms. The tumor at the inferior part ofthe auricle showed marked calcification and ossification. We also clinicopathologically compared this case withfive previous cases. Wound healing was good 1 year and 6 months after surgery.