Clinical Gastroenterology Vol.26 No.5(11)

Theme Benign to Low-malignant Pancreatobiliary Lesionst
Title Chronic Pancreatitis -- "Tumor-forming Pancreatitis" and "Groove Pancreatitis"
Publish Date 2011/05
Author Kazumichi Kawakubo Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Author Hiroyuki Isayama Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Author Naoki Sasahira Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Author Kenji Hirano Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Author Minoru Tada Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Author Kazuhiko Koike Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
[ Summary ] Tumor-forming pancreatitis is defined radiologically as pancreatitis which morphologically resembles a 'mass' with radiological imaging. It is important to differertiate from pancreatic cancer in order to avoid unnecessary surgery. However, there are no specific radiological findings for the definitive diagnosis of tumor-forming pancreatitis. Therefore, it is quite important to diagnose tumor-forming pancreatitis not only by radiologic studies but also by pathologic examinations. Groove pancreatitis is a special form of pancreatitis affecting the groove between the head of the pancreas, the second part of the duodenum and the common bile duct. Although there are some specific clinical and radiologic findings, it is always essential to distinguish groove pancreatitis from groove pancreatic carainoma which occurs in the same area.
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