Diagnosis of Cholecysto-Colonic Fistula Using Gadoxetic Acid - Magnetic Resonance Cholangiography

A B Mourri1, M Lemort1, Y M Bensouda1,2

  • 1Department of Radiology, Université Libre de Bruxelles (ULB), Brussels, Belgium.

Insights

This study shows a cholecysto-colonic fistula using Primovist-enhanced MRCP, a new technique. It offers advantages over standard MRCP for diagnosing this rare condition.

Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Hepatobiliary Surgery

Background:

  • Cholecysto-colonic fistula is a rare but serious complication.
  • Accurate diagnosis is crucial for effective management.
  • Traditional imaging methods may have limitations.

Purpose of the Study:

  • To report the first known demonstration of a cholecysto-colonic fistula using Primovist-enhanced MRCP.
  • To highlight the advantages of this novel technique over conventional MRCP.

Main Methods:

  • A 74-year-old patient with suspected fistula underwent magnetic resonance cholangiopancreatography (MRCP).
  • The examination utilized Primovist (gadoxetate disodium) for enhanced imaging.
  • Standard T2-weighted MRCP sequences were also performed for comparison.

Main Results:

  • Primovist-enhanced MRCP successfully visualized the cholecysto-colonic fistula.
  • The enhanced technique provided superior depiction of the fistula tract compared to T2-weighted imaging.
  • The patient's condition was accurately diagnosed, guiding subsequent treatment.

Conclusions:

  • Primovist-enhanced MRCP is a valuable tool for diagnosing cholecysto-colonic fistulas.
  • This technique offers improved visualization and diagnostic accuracy over traditional MRCP.
  • Further research may establish this as a preferred method for evaluating complex hepatobiliary-enteric communications.

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