Review Article

Resection of Liver Metastases: A Treatment Provides a Long-Term Survival Benefit for Patients with Advanced Pancreatic Neuroendocrine Tumors: A Systematic Review and Meta-Analysis

Table 2

All included literatures review.

Study IDMorbidity30-day mortalityPostoperative adjuvant therapy RateMedian OS (m)Median follow-up (m)Non-liver resection treatmentsConclusion
Hepatic resectionNon-liver resection

Birnbaum 201544.00%5.00%NR90NRNRResection of primary tumorsResection of liver metastases improve survival
Xu 2015NRNRNR57.254.832Somatostatin analogues and chemotherapyResection of liver metastases could not prolong OS but could improve PFS
Partelli 201544.44%NR68.00%973641Somatostatin analogues, PRRT, chemotherapyResection of liver metastases improve survival
Zerbi 2013NRNR48.68%NR20.521Somatostatin analogues, PRRT, ablation, chemotherapyResection of liver metastases could be the first-choice treatment for malignent PNET
Kleine 201122.22%NRNRNR37.840Resection of primary tumorsResection of liver metastases may prolong OS
Mayo 2011NRNRNR1233326Intra-arterial therapy and resection of primary tumorsHepatectomy most benefited those patients with low-volume ( <25%) liver metastasis or those with symptomatic high-volume liver metastasis
House 200625.00%0.00%11.54%7817NRSomatostatin analogues, chemotherapy, chemoembolization and resection of primary tumorsThere is a survival benefit from complete surgical resection of metastatic islet cell tumors originating from the pancreas
Osborne 20063.28%1.64%65.57%NRNRNRSomatostatin analogues and chemotherapy, PRRT, embolizationPatients who undergo surgical cytoreduction of symptomatic neuroendocrine hepatic metastases enjoy prolonged survival when compared with their medically treated counterparts
Musunuru 2006NRNR8.00%NRNR20Systemic hormonal and chemotherapy, ablation, hepatic artery embolizationIn patients with liver-only neuroendocrine metastases, surgical therapy is associated with improved survival
Touzios 200542.00%5.30%36.00%>96NRNRSomatostatin analogues, chemotherapy, PRRT, ablation and resection of primary tumorsResection has been shown to be an excellent treatment and accumulating data document improved survival with resection of these tumors
Solorzano2001NRNR60.00%3621.632Chemotherapy, hepatic artery embolizationAggressive management should probably be restricted to younger patients with limited extrahepatic disease
Chamberlain 2000NRNRNRNRNR27Hepatic artery embolization, Somatostatin analogues and chemotherapy and resection of primary tumorsHepatic resection has a role in the man-agement of patients with NET metastases and may prolong survival
Chen 1998NRNR0.00%NR2727Chemoembolization, chemotherapy, PRRT and resection of primary tumorsHepatic resection for metastatic neuroen-docrine tumors may prolong survival