الفهرس 
GROSS AND MRI ANATOMY OF THE BILIARY AND PANCREATIC DUCTAL SYSTEM
Anatomical variants of intrahepatic bile ductsOnly 14 pages are availabe for public view
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Abstract
MRCP is a non invasive technique and excellent diagnostic
method to evaluate pancreatcobiliary tract, not only to
investigate pathologies but also to delineate ductal anatomy,
revealing possible anatomical variants. By this familiarity with
MRCP anatomical findings may help preventing iatrogenic
complications.
Anatomical variants of the biliary tree present a complex
spectrum of frequent alterations, which can be easily identified
by MRCP. Knowledge of the presence of these variants can be
useful for both the clinician and the surgeon. Preoperative
imaging of the biliary branching pattern proves to be successful
method to diagnose these variants.
Preoperative imaging of the biliary branching pattern
remains the only method to diagnose problems posed by
variations in the biliary anatomy. MRCP offers a reliable and
non-invasive visualization of the biliary tract, enabling the
surgical approach to be planned and adapted to prevent an
injury of a variant of the hepatic duct confluence.
MRCP is an excellent primary tool for detecting or
excluding CBD stones before cholecystectomy, Use of MRCP
could therefore spare the patients from invasive preoperative
endoscopic procedures and it can also most likely reduce overall surgical costs. We propose MRCP as the method of
choice for the diagnostic imaging of bile duct calculi.
Preoperative MRCP prior to laparoscopic cholecystectomy
is significantly decreasing incidence of residual stones and help in
decreasing risk of CBD injuries by detecting anatomical
variants.
from our results, there are eleven cases from twenty six
cases (with different pathologies) are missed to be diagnosed by
US and diagnosed by MRCP. On the other hand, all the eight
cases (with different biliary tract anatomical variants) not
detected by US and detected by MRCP.
Finally we recommend that in the patients candidate for
cholecystectomy, routine preoperative MRCP is mandatory for
confirmation of the already known pathologies, detection of
other missed pathologies by US as well as detection of
anatomical variants of biliary tract, this will help the surgeon
for adjusting the surgical approach to preventing or at least
decreasing the probability of postoperative complications.