tailieunhanh - báo cáo khoa học: "Liver metastasis originating from colorectal cancer with macroscopic portal vein tumor thrombosis: a case report and review of the literature"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Liver metastasis originating from colorectal cancer with macroscopic portal vein tumor thrombosis: a case report and review of the literature | Tomimaru et al. Journal of Medical Case Reports 2010 4 382 http content 4 1 382 jAg JOURNALOF medical ÌỤr case REPORTS CASE REPORT Open Access Liver metastasis originating from colorectal cancer with macroscopic portal vein tumor thrombosis a case report and review of the literature 3 1 1 1 Yoshito Tomimaru Yo Sasaki Terumasa Yamada Kunihito Gotoh Shingo Noura Hidetoshi Eguchi 11 11 11 Isao Miyashiro Masayuki Ohue Hiroaki Ohigashi Masahiko Yano Osamu Ishikawa Shingi Imaoka Abstract Introduction Macroscopic tumor thrombi occupying the main portal branch are rarely seen in patients with liver metastasis. Case presentation A 55-year-old Japanese man who had previously undergone surgery for adenocarcinoma of the ascending colon presented with a metastatic liver tumor accompanied by a macroscopic tumor thrombus in the right portal branch. Right lobectomy and removal of the tumor thrombus were performed and the liver metastasis and tumor thrombus were successfully resected. Histopathological examination of the liver tumor revealed adenocarcinoma consistent with that of the previous colon cancer confirming that the liver tumor was a metastasis from the colon cancer. Our patient remains well without recurrence at 51 months after the liver surgery. Conclusion The prognosis of patients with liver metastasis accompanied by a portal vein tumor thrombus remains unknown but considering several previous reported cases together with our case report a better prognosis may be expected if the tumor is successfully removed by anatomical liver resection. Introduction Portal vein tumor thrombosis PVTT is associated with hepatocellular carcinoma HCC with a reported incidence of PVTT of 30 to 70 1-3 . A recent pathological study of metastatic liver cancer originating from colorectal cancer found microscopic tumor invasion in the intra-hepatic portal vein to be a relatively common finding in addition to HCC 4 5 . However macroscopic tumor thrombi .

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