What is the role of tuberculosis in the etiology of biliary obstruction?

Updated: Oct 16, 2019
  • Author: Jennifer Lynn Bonheur, MD; Chief Editor: Vinay Kumar Kapoor, MBBS, MS, FRCS, FAMS  more...
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Biliary tuberculosis is extremely rare. However, with the resurgence of tuberculosis and the emergence of Mycobacterium tuberculosis strains that are resistant to many drugs, biliary tuberculosis may be encountered more frequently in the future. Histopathologic evidence of caseating granulomatous inflammation with bile cytology revealing M tuberculosis is confirmatory. Polymerase chain reaction is useful to expedite the diagnosis if biliary tuberculosis is being considered.

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