Korean J Gastrointest Endosc.  1998 Apr;18(2):281-289.

Twenty-Six Cases of Mucinous Ductal Ectasia of the Pancreas Including Six New Cases

  • 1Department of Internal Medicine, Institute of Digestive Disease and Nutrition, Korea University College of Medicine, Seoul, Korea.


We have experienced six new cases of mucinous ductal ectasia of the pancreas. Muci-nous ductal ectasia is characterized by mucin secretion and dilatation of the main pancreatic duct. These tuinors have been reported with increasing frequency, especially in Japan, where in 1982, it was advocated that they represent a new clinical entity. ERCP revealed a dilated pancreatic duct in the absence of obstructing ductal strictures and amorphous filling defects in the main pancreatic duct. Endoscopic findings included a patulous ampullary orifice, bulging ampulla of the Vater and mucin secretion from an orifice. We reviewed a total of twenty six cases including our six, of mucinous ductal ectasia, which were reported in various Korean literature. Clinical and radiologic studies of the twenty six cases were performed. They included nineteen men and seven women, 40-79 years of age. Twelve patients had symptoms of epigastric pain. From endoscopic retrograde pancreatography, twenty four patients showed mucin secretion from an orifice, twenty three patients showed a patulous arnpullary orifice, and twenty four patients showed dilatation of the main pancreatic duct. Pathological examination showed fifteen intraductal papillary mucinous hyperplasias, seven adenocarcinom-as, and four adenomas.


Pancreas; Mucinous ductal ectasia
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