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1: Surgery. 2003 Dec;134(6):1057-63; discussion 1063-5.
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Aggressive surgery for metastatic liver neuroendocrine tumors.

Norton JA, Warren RS, Kelly MG, Zuraek MB, Jensen RT.

Department of Surgery, University of California-San Francisco, San Francisco, CA, USA.

BACKGROUND: Neuroendocrine tumors of the gastrointestinal tract (carcinoids, pancreatic endocrine tumors) have low malignant potential but can decrease survival rates if they spread to the liver (LNET). METHODS: The records of 16 patients with LNET primarily from gastrointestinal carcinoids treated surgically were retrospectively reviewed. RESULTS: There were 12 women and 4 men. Median age was 56 years (range 25 to 75). Thirteen (81%) had a carcinoid tumor and 5 had gastrinoma. Two patients with multiple endocrine neoplasia type 1 had both a gastric carcinoid and a jejunal gastrinoma. Eight patients (50%) had the carcinoid syndrome. Each patient had all identifiable LNET either resected or ablated. Ten patients had liver wedge resections, 1 right trisegmentectomy, 5 left hepatic lobectomies, and 2 radiofrequency ablations. Thirteen (81%) patients had concomitant bowel resections. Two patients had concomitant total gastrectomies to remove stomach primaries. The final patient had an extraintestinal pelvic primary or a liver primary. There were no operative deaths, and all 8 (100%) patients with the carcinoid syndrome had amelioration of symptoms. The 5-year actuarial survival rate was 82% with a median follow-up of 32 months. CONCLUSIONS: This study demonstrates that liver and concomitant extrahepatic surgery can be performed safely in patients with liver metastases because of carcinoids or pancreatic endocrine tumors. It results in excellent long-term survival and amelioration of symptoms. Surgery should be the first-line therapy for patients with LNET.

PMID: 14668741 [PubMed - indexed for MEDLINE]