Abstract
We report a case of solitary hepatic metastasis from breast cancer. A 79-year-old female patient underwent quadrantectomy with axillary lymph node dissection when she was 66 years old. The pathologic diagnosis was invasive ductal adenocarcinoma, scirrhous carcinoma, pT1N1M0, ER and PgR positive. Radiotherapy was performed, followed by chemotherapy and endocrine therapy. Since the age of 76 years, her serum CEA level was occasionally elevated. A solitary hepatic tumor in segment 4 was found on ultrasonography 13 years after mastectomy. Although the enhanced pattern on CT and MRI was atypical, the lesion was diagnosed as intrahepatic cholangiocarcinoma. Because left hepatic duct invasion was suspected based on endoscopic retrograde cholangiography, left hepatectomy and left caudate lobectomy were performed. The histopathological findings were compatible with a solid tubular or papillo-tubular carcinoma of the breast. The lesion was both ER and PgR positive. Therefore, we finally diagnosed the lesion as hepatic metastasis from breast cancer. The patient has been alive for three years after hepatectomy. Because hepatic metastasis often presents as multiple lesions, few patients undergo hepatectomy. However, hepatectomy can be a therapeutic option as it could prolong survival in patients with solitary hepatic metastasis from breast cancer.