Pancreaticobiliary maljunction: etiologic concepts based on radiologic aspects

Gastrointestinal Endoscopy
Y MatsumotoK Suda

Abstract

The purpose of this study was to develop a new concept of the embryonic etiology of pancreaticobiliary maljunction (PBM) based on cholangiopancreatograms. The subjects were 202 patients with PBM (60 men and 142 women) in whom the junction of the pancreatic and bile ducts was radiologically diagnosed as being located outside of the duodenal wall; 133 of the 202 patients also had congenital cystic dilatation of the bile duct (CCBD). The length of the duct from the junction to the orifice of the major papilla (the common channel) ranged from 0.5 to 5 cm on the cholangiopancreatograms. Small radicles of the pancreatic duct arose from the common channel in 36 of the 202 patients. This finding suggests that the common channel is itself the main pancreatic duct in patients with PBM. Moreover, cholangiopancreatography revealed that in 99 of the 202 patients, there was a narrowed duct segment distal to the biliary cyst in patients with CCBD or distal to the normal bile duct in those without CCBD; the length of the narrowed segment varied. Histologic examination revealed smaller branches that had arisen from this narrowed segment in 2 anatomic specimens. This also suggests that the narrowed ductal segment belongs to the pancreatic duct s...Continue Reading

Citations

Jan 16, 2008·Journal of Anatomy·Terumi Kamisawa, Atsutake Okamoto
Jan 24, 2017·Journal of Hepato-biliary-pancreatic Sciences·Hiroki IshibashiUNKNOWN Japanese Study Group on Congenital Biliary Dilatation (JSCBD)
Apr 10, 2003·Langenbeck's Archives of Surgery·Yoshiro MatsumotoKohichi Suda
Jun 23, 2012·Journal of Gastroenterology·Terumi KamisawaUNKNOWN Japanese Study Group on Pancreaticobiliary Maljunction
Oct 1, 2003·Pathology International·Tadashi TeradaIsao Osada
Jan 1, 2011·Anatomy Research International·Hiroyuki TadokoroBunsei Nobukawa
Feb 24, 2017·Clinical Journal of Gastroenterology·Masataka KikuyamaGoro Honda
Sep 10, 2003·Journal of Clinical Gastroenterology·Hyun Jun KimSung Koo Lee
Jan 18, 2020·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Ayako OnoKaori Togashi

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