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KMID : 0363220200580050344
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Korean Journal of Dermatology
2020 Volume.58 No. 5 p.344 ~ p.346
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A Case of Exophytic Pilomatricoma with Perforating Figure
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Park Eun-Jung
Park Ji-Ho
Kim Min-Soo
Jue Mihn-Sook
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Abstract
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Pilomatricoma, also known as calcifying epithelioma of Malherbe, is a benign adnexal skin tumor arising from hair matrix cells. Clinically, pilomatricoma typically presents as a firm, bluish or red colored, deep-seated nodule with overlying normal skin. Several variants of pilomatricoma have been described including perforating, extruding, bullous, melanocytic, giant, keratoacanthoma-like, exophytic, lymphangiectatic, familial, anetodermic, and multiple.
Among these, an extruding variant has been very rarely reported. A 10-year-old girl presented with a 2-month history of a rapid-growing, solitary, firm, skin-colored to pinkish, pedunculated papule with a central crusted perforation on the left cheek. Based on the clinical and histological findings, we made a diagnosis of exophytic pilomatricoma with perforating figure. She had no signs of recurrence of the lesion for 8 months after removal.
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KEYWORD
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Exophytic, Perforating, Pilomatricoma
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