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고현창 ( Hyun Chang Ko ),장봉석 ( Bong Seok Jang ),김문범 ( Moon Bum Kim ),오창근 ( Chang Keun Oh ),권경술 ( Kyung Sool Kwon ) 대한피부과학회 2006 대한피부과학회지 Vol.44 No.9
Dermatofibrosarcoma protuberans is a tumor of intermediate malignancy, characterized by its aggressive local growth and marked propensity to recur after surgical excision. Dermatofibrosarcoma protuberans is most frequently located on the trunk or proximal extremities and rarely occurs on the face. In most cases, the tumor initially occurs as an asymptomatic, indurated plaque that slowly increases in size, and then develops multiple firm nodules. We report a case of a 39-year-old female who presented with a 10-year history of asymptomatic, brownish and hypopigmented plaques on the right side of her upper forehead. They gradually extended downwards and erythematous nodules appeared on the superior border of pre-existing brownish plaques 8 months ago. Histopathological examination of a nodule showed spindle-shaped cells with a storiform pattern in the dermis, and that of the plaques showed a parallel pattern. The tumor cells were stained positive for CD 34 upon immunohistochemical staining. (Korean J Dermatol 2006;44(9):1122~1125)