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English Abstract
Journal Article
[A case of liver metastasis from sigmoid colon cancer treated effectively by second-line chemotherapy].
Gan to Kagaku Ryoho. Cancer & Chemotherapy 2014 November
A case of successful chemotherapy for a metachronous liver metastasis following resection for sigmoid colon cancer is presented. A 51-year-old man underwent sigmoidectomy, ileocecal resection, and descending colon colostomy for sigmoid colon cancer with ileum invasion. Six courses of FOLFOX4 were performed as adjuvant chemotherapy. One year after sigmoidectomy, a liver metastasis was detected on computed tomography (CT) examination. Chemotherapy with FOLFOX+bevacizumab was restarted. Three courses were administered, but hepatic dysfunction occurred after the second and third courses, and FOLFOX was discontinued. Subsequent chemotherapy was reinitiated with FOLFIRI+bevacizumab. After 9 courses, the carcinoembryonic antigen level was normalized and appeared to be decreased by imaging studies. Upon the patient's request, only oral S-1 was administered. After 2 courses, CT revealed that the diameter of the tumor had increased by 2 cm. Therefore, right lobectomy of the liver, colostomy closure, and anastomosis were performed. During these procedures, a nodule was found in the omentum and was removed. Rapid intra-operative diagnosis revealed peritoneal dissemination. The pathological diagnosis was liver metastasis of sigmoid colon cancer, with necrosis and fibrosis seen in approximately one-half of specimens. The surgical margins were negative. Neither metastatic cancer nor dissemination were found in the resected greater omentum.
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