Malignant pilomatricoma.

DOI 1 Citations 15 References
  • AO Masakazu
    Division of Plastic Surgery and Dermatology, Yakage town Hospital
  • MAE Okiharu
    Division of Plastic Surgery, Okayama Saiseikai General Hospital
  • NAGASE You
    Division of Plastic Surgery, Okayama Saiseikai General Hospital

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Other Title
  • 局所再発したＭａｌｉｇｎａｎｔ　Ｐｉｌｏｍａｔｒｉｃｏｍａ

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Abstract

A 55-year-old Japanese woman was first seen in August 1987 with a 30-year history of a slowly growing painfull mass on her back, measuring 7.8×6.5 cm. The gross specimen disclosed a firm, circumscribed mass with giant comedones on the surface, containing cheesy materials. The tumor was located in the dermis and subcutaneous fat tissue. Microscopic examination revealed nests of basaloid cells with high mitotic activity. The basaloid cell islands showed peripheral palisading of nuclei and a sharp transition to amorphous debris or shadow cells. The tumor recurred 14 months later after the initial surgery and a wide resection was performed. There has been no evidence of recurrence for 6 months after the second surgery.

Journal

  • Nishi Nihon Hifuka

    Nishi Nihon Hifuka 52 (1), 54-59, 1990

    Western Division of Japanese Dermatological Association

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