• J. Gastrointest. Surg. · Jun 2016

    Liver Resection for Non-colorectal Non-neuroendocrine Metastases: Where Do We Stand Today Compared to Colorectal Cancer?

    • Tobias S Schiergens, Juliane Lüning, Bernhard W Renz, Michael Thomas, Sebastian Pratschke, Hao Feng, Serene M L Lee, Jutta Engel, Markus Rentsch, Markus Guba, Jens Werner, and Wolfgang E Thasler.
    • Department of General, Visceral, Transplantation, Vascular and Thoracic Surgery, Hospital of the University of Munich, Marchioninistr. 15, 81377, Munich, Germany. Tobias.Schiergens@med.uni-muenchen.de.
    • J. Gastrointest. Surg. 2016 Jun 1; 20 (6): 1163-72.

    AbstractThe continuing controversy about surgery for non-colorectal non-neuroendocrine liver metastases (NCRNNE) necessitates identifying risk factors of worsened outcomes to improve patient selection and survival. Prospectively collected data of 167 patients undergoing hepatectomy for NCRNNE were analyzed, and a comparison to a matched population of colorectal liver metastases (CLM) was performed. Overall survival (OS) (35 vs. 54 months; P = 0.008) and recurrence-free survival (RFS) (15 vs. 29 months; P = 0.004) of NCRNNE patients were significantly shorter compared to those with CLM. The best survival was found in the genitourinary (GU; OS, 45 months; RFS, 21 months) NCRNNE subgroup, whereas survival for gastrointestinal (GI) metastases was low (OS, 8 months; RFS, 7 months). Patients with renal cell carcinoma (RCC) showed excellent outcomes when compared to CLM (OS, 50 vs. 51 months; P = 0.901). Extrahepatic disease (EHD) was identified as independent prognostic factor for reducing both RFS (P = 0.040) and OS (P = 0.046). The number of liver lesions (P = 0.024), residual tumor (P = 0.025), and major complications (P = 0.048) independently diminished OS. The degree of survival advantage by surgery is determined by the primary tumor site, EHD, the number of metastases, and residual tumor. Thus-even more than in CLM-these oncological selection criteria must prevail. GU metastases, especially RCC, represent a favorable subgroup.

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