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  • Title: [Breast Cancer with Microinvasion and Lymph Node Metastasis Diagnosed by Microdochectomy - Report of a Case].
    Author: Sakurai K, Fujisaki S, Adachi K, Suzuki S, Masuo Y, Nagashima S, Hara Y, Hirano T, Enomoto K, Tomita R, Gonda K.
    Journal: Gan To Kagaku Ryoho; 2016 Nov; 43(12):1455-1457. PubMed ID: 28133021.
    Abstract:
    We report a case of breast cancer with microinvasion and lymph node metastasis. The patient was a 72-year-old woman who had spontaneous nipple discharge from her left breast. There was no detectable lesion on mammographyor duct endoscopy. Ultrasonography showed a low echoic lesion, 23×15mm in diameter, in the CD area of her left breast. Contrastenhanced MRI showed a high intensityarea, 25mm in diameter, in her left breast, so microdochectomywas performed. The histopathological diagnosis was invasive ductal carcinoma(invasion of 2mm)and the surgical margin was positive. Therefore, she underwent breast conserving surgeryplus axillaryly mph node dissection. The pathological diagnosis from the resected surgical specimen was invasive ductal carcinoma with micro lymph node metastasis, positive for ER and PgR and negative for HER2/neu protein expression. The Ki-67 labeling index was 10% and the surgical margins were negative. She was treated with radiation and endocrine therapy as adjuvant therapy. One year and 6 months after surgery, she was well without metastasis.
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