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Biliary strictures as a cause of primary intrahepatic bile duct stones

  • Manuscripts Presrented at the 31st Congress of the International Society of Surgery
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Abstract

We collected 51 cases of stricture in the upper portion of the biliary tract and discussed the pathogenesis and the clinical significance of the strictures. All 51 patients had congenital cystic dilatation of the common bile duct (CCDB): 2 had infant-type cysts which involved the choledochus and/or the common hepatic duct, and 49 had adult-type cysts which included the entire extrahepatic bile duct and/or the main intrahepatic bile ducts. Thirty-five of the latter 49 had intrahepatic bile duct stones proximal to the stricture. Considering the location and the clinical features, the strictures may have been formed congenitally. Furthermore, adult-type cysts of the common bile duct with strictures in the upper portion of the biliary tract are thought to be the basis for the formation of primary intrahepatic bile duct stones.

Résumé

Sur 51 cas de sténose de la portion supérieure du tractus biliaire sont discutées la pathogénie et la traduction clinique des rétrécissements. Les 51 patients présentent une dilatation kystique congénitale de la voie biliaire principale, 2 d'entre eux ayant un kyste de type infantile englobant le cholédoque et/ou le canal hépatique commun, et 49 ayant un kyste de type adulte englobant la totalité des voies biliaires extrahépatiques et/ou la plupart des canaux biliaires intrahépatiques. Parmi ces 49 patients, 35 présentent des calculs des canaux biliaires intrahépatiques à proximité de la sténose. En raison de la localisation et des symptômes cliniques, les sténoses pourraient avoir une origine congénitale. De plus, le kyste de type adult de la voie biliaire commune avec rétrécissement dans la portion supérieure du tractus biliaire pourrait être à l'origine de la formation de calculs dans les canaux intrahépatiques primitifs.

Resumen

Se presentan 51 casos de estenosis de la porción superior del tracto biliar y se discute la patogenesis y la significación clínica de estas lesiones. Todos los 51 pacientes tenían dilatación congénita de canal colédoco (DCCC), e incluyen 2 con quistes de tipo de recien nacido que afecta el colédoco y/o el hepático común, y 49 con quiste de tipo adulto que afecta la totalidad de los canales biliares extrahepáticos y/o los principales canales intrahepáticos. Treinta y cinco de los últimos 49 casos tenían cálculos en los canales intrahepáticos proximales a la estenosis. Al considerar la localizatión y las características clínicas, se puede pensar que las estenosis sean de formatión congénita. Además, el quiste del colédoco de tipo adulto con estrechez en la porción superior del tracto biliar es propuesto como base para la formación de cálculos primarios de los canales intrahepáticos.

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Matsumoto, Y., Fujii, H., Yoshioka, M. et al. Biliary strictures as a cause of primary intrahepatic bile duct stones. World J. Surg. 10, 867–874 (1986). https://doi.org/10.1007/BF01655262

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  • DOI: https://doi.org/10.1007/BF01655262

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