A Case of Signet-ring Cell Carcinoma of the Breast Estimated by Fine Needle Aspiration Biopsy

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  • SHIMIZU Tadafumi
    Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital
  • KASUGA Yoshio
    Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital
  • WATANABE Takayuki
    Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital
  • AMITANI Masatsugu
    Department of Breast and Endocrine Surgery, Nagano Matsushiro General Hospital
  • UEHARA Takeshi
    Division of Central Laboratory, Shinshu University Hospital

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  • 穿刺吸引細胞診検査で推測し得た乳腺原発印環細胞癌の１例
  • センシ キュウイン サイボウシン ケンサ デ スイソク シエタ ニュウセン ゲンパツインカン サイボウガン ノ 1レイ

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Abstract

We report herein a rare case of signet-ring cell carcinoma of the breast. A 60-year-old woman was admitted to our hospital because of a tumor in the right breast. On examination a 20×20mm, firm mass was palpable. Both fine needle aspiration (FNA) and core needle biopsy (CNB) showed invasive ductal carcinoma including signet-ring cell carcinoma. Partial resection of the right breast and sentinel lymph node biopsy were performed. Signet-ring cell carcinoma of the breast is very rare. Endocrine therapy has been performed because of positive findings on immunohistochemical studies against estrogen receptor.

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