[Surgical treatment of cysts and cyst-like formations of pancreas]. 
Results of treatment of 87 patients with cystic pancreatic formation were analyzed.  In 38 patients pancreatic cyst had formatted after destructive pancreatitis, in 28--after pancreatic trauma, in 6--due to virsungolithiasis, in 9--cystadenoma was revealed, in 6--cystadenocarcinoma.  In 29 patients operation of internal drainage of cyst was performed.  Basing on accumulated experience the authors recommend to perform puncture-cathetherizational intervention under ultrasonic investigation and computeric tomography control, when nonformated or complicated pancreatic cyst is present; in the treatment of uncomplicated nonformated pancreatic cyst the operation of internal drainage, using different organs, stomach, duodenum, small intestine, constitutes the method of choice.  When it is impossible to perform puncture-cathetherizational intervention, external drainage of cyst and complex conservative therapy may become the method of choice for the treatment of complicated pancreatic cyst.  In the presence of benign cystose tumor it is necessary widely apply radical operation--pancreatic resection.  The largest frequency of complications occurrence have been noted after external drainage of cyst, performance of cystogastrostomy, pancreatic resection for cystadenoma and cystadenocarcinoma.  The principal of them are: the external pancreatic fistula occurrence (in 9.1% of observations), the cyst recurrency (in 5.7%), erosive hemorrhage (in 4.6%), pancreatitis (in 5.4%), suppuration of postoperative wound (in 8%), stenosis of cystodigestive anastomosis (in 2.3%).  Postoperative mortality was 6.8%.