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Cholangiocarcinome peri-hilaire : incidence, prise en charge et survie

Abstract : Cholangiocarcinoma (CC) is a malignant tumor with a poor prognosis. Its treatment is based on surgical resection. It accounts for 3% of all digestive cancers and is the second primary tumor of the liver, in frequency, after hepatocellular carcinoma. The average age is 70 years old with male predominance. At present intra and extrahepatic cholangiocarcinomas are distinguished. Survival rate is less than 5% at 5 years in all stages. 60 to 70% are tumors of the biliary convergence also called Klatskin tumors.The aim of this work was to answer persistent questions about peri-hilar cholangiocarcinoma (PHCC) by applying different statistical methods on different databases and review of the literature.The three main axes of this work are articulated according to the temporality of management, from the diagnosis to the postoperative follow-up, going through the preoperative setting.The first axis is based on a local database (registry of digestive cancer of Calvados). The results show that PHCC accounts for only one third of cholangiocarcinomas in the general population, that its incidence rate is stable with a decrease in incidence, although not significant, in women having PHCC and that female gender is a negative prognostic factor for 5-year survival. The second axis concerned the preoperative management of patients, including preoperative optimization of the remaining liver by biliary drainage. This work is based on two Meta-analyzes. It made it possible to highlight the superiority of the radiological way in the endoscopic way concerning the complications related to the procedure but on the other hand, the absence of significant difference on the morbi-mortality post hepatic resection, the survival at 5 years, the recurrence free survival and the rate of dissemination related to the procedure when the procedures are studied in intent to treat. Our results suggest that a poor choice of pathway for achieving biliary drainage leads to repeated failures that influence tumor recurrence and thus survival. The third axis was concerned with the prognostic factors of immediate morbidity and mortality after hepatic resection from a European database (base of the French association of surgery). The results show that body surface area ≥ 1.82 m², hyperbilirubinemia > 50 μmol / l and right hepatic resection are independent predictors influencing post-operative mortality at 30 days.
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Aimen Al Mahjoub. Cholangiocarcinome peri-hilaire : incidence, prise en charge et survie. Médecine humaine et pathologie. Normandie Université, 2018. Français. ⟨NNT : 2018NORMC425⟩. ⟨tel-01996445⟩



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