乳癌原発と考えられた印環細胞癌の1例
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概要
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We repoted a case 87-year-old man of signet ring cell carcinoma. He had developed increasing numbers of indurated erythema on the left chest, abdomen, shoulder, and upper arm for about a month. Histologically, aggregated tumor nests were noticed in dermis and subcutaneous tissue. Tumor cells presented signet-ring-cell like appearance which exhibited infiltrating lobular carcinoma like arrangement. Immunohistochemically, the tumor was positive for CA15-3 and negative for estrogen receptor and progesterone receptor. Autopsy showed that there were no primary tumor in viscera. From clinical and historogical findings, we diagnosed this tumor as signet ring cell carcinoma of the breast. This is the first report of signet ring cell carcinoma of the breast of the male in japan.
- 日本皮膚悪性腫瘍学会の論文