AN INTRACYSTIC CARCINOMA OF THE BREAST WITH SEVERAL HISTOLOGICAL FINDINGS-REPORT OF A CASE-

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A 65-year-old woman was admitted to the hospital for the purpose of operation for an enlarging left breast tumor in 1996. In 1993, the patient visited another hospital because of a left breast tumor, but thereafter the tumor spontaneously began to shrink and she left it alone. She noticed the tumor starting to grow again in October 1995, when an aspiration cytology biopsy revealed class IIIa and she was referred to the hospital. On admission, a pulmonary metastasis was noticed and clinical staging resulted in stage IV. Modified radical mastectomy (Bt+Ax) was performed on February 27th, 1996. Clinicopathologically, our case followed t 2n 3m 1 stage IV. Histopathological examination revealed that papillotubular carcinoma changed to solid tubular carcinoma or scirrhous carcinoma causing invasion to the outside of the cyst wall. It is thought that the carcinoma became more malignant as it grew, and it is interesting from the point of view of pathogenesis.
日本臨床外科学会の論文