Ectopic breast cancer: Two case reports and review of the Japanese literature |
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Authors: | Futoshi Kawahara Masakuni Noguchi Noboru Yamamichi Fumio Konishi Ryo Yagasaki Masahide Minami Mitsuharu Earashi Kazuo Kinoshita Takao Taniya Itsuo Miyazaki |
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Institution: | (1) Hokuriku Breast Cancer Society, Japan;(2) Operation Center, Kanazawa University Hospital, Takara-machi, 13-1, 920 Kanazawa, Japan;(3) Department of Surgery (II), Kanazawa University Hospital, Japan;(4) Department of Surgery, Fukui Prefectural Hospital, Japan;(5) Pathology Section, Fukui Red Cross Hospital, Japan |
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Abstract: | Two cases of carcinoma involving ectopic breast tissue are reported, along with a review of the Japanese literature. A total
of 65 cases of ectopic breast cancer have been reported; 59 of which occurred in the axilla. Total mastectomy with axillary
dissection was performed in 29 cases, and tumor excision with or without nodal dissection was done in 30 cases. Outcome was
known in 33 cases, and 5 cases had recurred at the time of this writing. Although the prognosis of ectopic breast cancer was
difficult to establish with the limited follow-up data, all the 5 cases in our series with recurrence had axillary lymph node
metastases at the time of surgery. Therefore, the complete excision of ectopic breast tissue with nodal dissection, and subsequent
chemoendocrine therapy, especially in node-positive patients, is recommended as the treatment of choice. |
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Keywords: | Ectopic breast tissue Breast cancer |
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