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  • Title: Short- and Long-Term Outcomes of Laparoscopic Organ-Sparing Resection for Pancreatic Neuroendocrine Neoplasms.
    Author: Zhang RC, Ma J, Mou YP, Zhou YC, Jin WW, Lu C.
    Journal: World J Surg; 2020 Nov; 44(11):3795-3800. PubMed ID: 32700111.
    Abstract:
    BACKGROUND: Pancreatic neuroendocrine neoplasms (PNENs) are rare neoplasms associated with a long life expectancy after resection. In this setting, patients may benefit from laparoscopic organ-sparing resection. Studies of laparoscopic organ-sparing resection for PNENs are limited. The aim of this study was to evaluate the short- and long-term outcomes of laparoscopic organ-sparing resection for PNENs. METHODS: A retrospective study was performed for patients with PNENs who underwent laparoscopic organ-sparing pancreatectomy between March 2005 and May 2018. The patients' demographic data, operative results, pathological reports, hospital courses and morbidity, mortality, and follow-up data (until August 2018) were analysed. RESULTS: Thirty-five patients were included in the final analysis. There were 9 male and 26 female patients, with a median age of 46 years (range 25-75 years). The mean BMI was 24.6 ± 3.3 kg/m2. Nine patients received laparoscopic enucleation (LE), 20 received laparoscopic spleen-preserving distal pancreatectomy (LSPDP), and 6 received laparoscopic central pancreatectomy. The operative time, intraoperative blood loss, transfusion rate, and postoperative hospital stay were 186.4 ± 60.2 min, 165 ± 73.0 ml, 0 days, and 9 days (range 5-23 days), respectively. The morbidity rate, grade ≥ III complication rate, and grade ≥ B pancreatic fistula rate were 34.2%, 11.4%, and 8.7%, respectively, with no mortality. The rate of follow-up was 94.3%, and the median follow-up time was 55 months (range 3-158 months). One patient developed recurrence 36 months after LE and was managed with surgical resection. The other patients survived without metastases or recurrence during the follow-up. One patient had diabetes after LSPDP, and no patients had symptoms of pancreatic exocrine insufficiency. Nineteen patients who underwent LSPDP (16 with the Kimura technique and 3 with the Warshaw technique) were followed. Normal patency of the splenic artery and vein was observed in 14 and 14 patients within 1 month of surgery and in 15 and 14 patients 6 months or more after the operation, respectively. Partial splenic infarction was observed in 3 patients within 1 month of surgery and in no patients 6 months or more after the operation. Three patients eventually developed collateral venous vessels around the gastric fundus and reserved spleen, with one case of variceal bleeding. CONCLUSIONS: Laparoscopic organ-sparing resection for selected cases of PNENs is safe and feasible and has favourable short- and long-term outcomes.
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