外陰のpapillary hidradenomaの1例

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  • ガイイン ノ papillary hidradenoma ノ 1レイ
  • Papillary hidradenoma of the vulva : A case report

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Papillary hidradenoma is rare, benign, cystic, papillary apocrine gland tumor that occurs almost exclusively in women in the skin of the anogenital region. We report a case of a 73-year-old woman who presented with a progressively enlarging perianal nodule. The nodule appeared as walnut-sized skin tumor on the outside of the labium minus pudendi, and local excision was performed. Macroscopically, the inside portion of the tumor appeared solid. Microscopically, this region consisted of papillary adenomatous structures whose lumina were lined by 2 layers of cuboidal epithelial cells. Nuclear atypia and mitotic figures of these epithelial cells were rare and noninvasive. However, cells with this appearance may be mistaken for adenocarcinoma by both macroscopic and histologic views, and attention is necessary for an accurate diagnosis.

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