Publications by authors named "Z N Kovalenko"

Mucinous cystadenoma is a cystic tumor of the pancreas absolutely requiring surgical intervention. The authors report successful surgical treatment of a patient with mucinous pancreatic cystadenoma complicated by severe intestinal bleeding.

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Need for pancreatoduodenectomy or total pancreatectomy for retroperitoneal sarcoma is rare. In most cases, these procedures are determined by locally advanced neoplasm. The author report successful multivisceral resection in a patient with retroperitoneal sarcoma complicated by internal fistulae with duodenum and colon.

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Specific complications is an «Achilles heel» of pancreaticoduodenectomy. Postoperative pancreatic fistula (POPF) is the most common specific complication. POPF prediction is an actual problem in pancreatic surgery.

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Objective: To evaluate the early outcomes of radical surgical treatment of patients with resectable periampullary tumors and previous acute pancreatitis (AP).

Material And Methods: A retrospective analysis included 9 patients. AP was diagnosed in all patients at different times of preoperative period (post-manipulative AP in 7 cases, alcoholic AP in 2 cases).

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Background: Malignant potential of small (≤20 mm) nonfunctional pancreatic neuroendocrine tumors (sNF-PNET) is difficult to predict and management remain controversial. The aim of this study was to assess the prognosis of sporadic nonmetastatic sNF-PNETs.

Methods: Patients were identified from databases of 16 centers.

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