MCNs occur predominantly in middle-aged women, and in male patients are very rarely reported in the literature . These tumors are often discovered as an abdominal mass. Patients are usually asymptomatic or show nonspecific symptoms [5, 6]. They have epigastric pain or intermittent or continuous discomfort associated with an enlarged palpable abdominal mass. Generally, MCNs have no communication with the pancreatic ductal system. However, pancreatic duct communication was confirmed in several pancreatic MCN by both examination of resected materials and preoperative pancreatography .
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