Abstract
Introducción. En comparación con otros países, los estudios sobre características anatómicas de vías biliares en población colombiana son escasos.Objetivo. Analizar las características anatómicas de las vías biliares en una muestra de 60 tractos gastrointestinales de población colombiana.Materiales y métodos. Se realizó un estudio descriptivo analítico transversal donde se emplearon y disecaron las vías biliares de 60 tractos gastrointestinales humanos.Resultados. Según la clasificación de Blumgart de las variaciones anatómicas del tracto biliar, se encontraron las siguientes variaciones: Tipo A (78.3%), Tipo B (5%), Tipo C2 (3.3%), Tipo D2 (1.7%), Tipo E1 (1.7%), Tipo E2 (8.3%) y Tipo F (1.7%). En cuanto a las dimensiones promedio de las vías biliares extrahepáticas, se encontraron los siguientes diámetros y longitudes: conducto hepático derecho, 3.62mm y 10.64mm; conducto hepático izquierdo, 3.66mm y 10.74mm; conducto hepático común, 4.97mm y 25.59mm, y conducto colédoco, 4.90mm y 39.58mm. En general, las características anatómicas observadas en la mayoría de la muestra fueron similares a las reportadas en la literatura.Conclusiones. En el 78.3% de los casos se observaron características anatómicas usuales, mientras que las variantes anatómicas estuvieron presentes en el 21.7%. La longitud y el diámetro de las vías biliares están dentro del promedio reportado en la literatura.
Highlights
In comparison with other countries, studies on the anatomical characteristics of bile ducts in Colombian population are scarce
The bile ducts were dissected from the cadavers as follows: the gender of each body was established by identifying the ovaries and uterus in women or the prostate and testicles in men; the bile ducts in the gastrointestinal tract were identified and the peritoneum and omentum were removed; the distal intrahepatic bile ducts were dissected, along with a fraction of the liver, as well as the extrahepatic ducts, which were measured to obtain their length and caliber; the anatomical features were described and a photographic record was taken
A: usual confluence; B: triple confluence; C1: right anterior duct draining into RHD; C2: right posterior duct draining into the RHD; D1: right posterior duct draining into the LHD; D2: right anterior duct draining into the LHD; E1 and E2: absence of hepatic duct confluence;F: drainage of the right posterior duct into the cystic duct and absence of RHD; M: Male, F: Female; CHC: common hepatic duct; LHD: left hepatic duct; RHD: right hepatic duct
Summary
In comparison with other countries, studies on the anatomical characteristics of bile ducts in Colombian population are scarce. Objective: To analyze the anatomical features of bile ducts in a sample of 60 gastrointestinal tracts obtained from Colombian cadavers. The anatomical features observed in most of the sample were similar to those reported in the literature. The length and diameter of the bile ducts studied here is within the average range reported in the literature. The increase in the population’s health coverage has made it possible to identify a greater amount of people with biliary diseases.[6] To achieve this, it has been necessary to explore the anatomical features of the bile duct by means of endoscopic sphincterotomy, endoscopic retrograde cholangiopancreatography (ERCP), intraoperative cholangiography, laparoscopic or open cholecystectomy, clinical assessment and liver function tests.[7]
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