Japanese

Melanin-positive Adenocarcinoma at the Anus, a Mimic of Malignant Melanoma, Report of a Case Yongman Kim 1 , Toshio Yagyu 1 1Department of Surgery, Osaka National Hospital Keyword: メラニン顆粒 , 悪性黒色腫 , 肛門癌 , 擦過細胞診 , メラニン顆粒陽性腺癌 pp.1645-1649
Published Date 1997/11/25
DOI https://doi.org/10.11477/mf.1403105255
  • Abstract
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 The patient was a 45-year-old man. A tumor arose on the operation scar for anal fistula about two years ago. It was pigmented and about 2 cm in diameter. Touch smear cytology showed melanin granules in malignant cells. It was diagnosed as malignant melanoma and abdomino-perineal resection was performed. The final diagnosis obtained by histological examination and immunohistochemical staining revealed moderately differentiated adenocarcinoma which contained melanin granules. Since there was no report about pigmented adenocarcinoma of the digestive tract, we decided to report our case.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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