• James M Kiely, Attila Nakeeb, Richard A Komorowski, Stuart D Wilson, and Henry A Pitt.
• Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA.
• J. Gastrointest. Surg. 2003 Nov 1; 7 (7): 890-7.

AbstractAsymptomatic cystic pancreatic neoplasms are being detected by abdominal imaging with increasing frequency. Enucleation of small cystic neoplasms can be performed without recurrence but has been associated with a higher incidence of pancreatic fistula. Thus the procedure has been modified to include intraoperative ultrasound imaging and closure of the pancreatic defect. This analysis was performed to determine whether these modifications have improved operative outcome. Thirty patients with mucinous cystic neoplasms (n=16), serous cystadenomas (n=10), and cystic islet cell tumors (n=4) were studied. Enucleation was performed in 11 patients (7 with mucinous cystic neoplasms, 2 with serous cystadenomas and 2 with islet cell tumors), whereas 19 underwent resection of cystic tumors (pancreatoduodenectomy in 8 and distal pancreatectomy in 11). The mean groups did not differ with regard to age (57 years), gender (73% female), presentation (63% incidental), or site (43% head, neck, or uncinate). Patients undergoing enucleation had smaller tumors (2.2 vs. 4.7 cm, P<0.01) that were less likely to be in the tail (9% vs. 42%). Operative time was significantly shorter in the enucleation group (199 vs. 298 minutes, P<0.01). Blood loss also was significantly reduced in the enucleation group (114 vs. 450 ml, P<0.001). Pancreatic fistula rates (27% vs. 26%) and length of hospital stay (12.6 vs. 15.7 days) were similar in the two groups. Enucleation of benign cystic pancreatic neoplasms reduces operative time and blood loss without increasing postoperative complications or length of stay. Therefore enucleation should be the standard operation for small benign cystic neoplasms in the uncinate, head, neck, and body of the pancreas.

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