Isolated biliary tuberculosis: a rare case report and diagnostic challenges

Abstract Introduction and importance: Biliary tuberculosis is a rare form of Mycobacterium tuberculosis infection, accounting for only 0.0–0.1% of all TB cases in certain settings. Its preoperative diagnosis is difficult due to nonspecific symptoms and the lack of specific imaging criteria. Often, it mimics other diseases like cancers and infections, complicating early detection. Case Presentation: A 51-year-old female with a past medical history of diabetes mellitus, hypothyroidism, and a biliary stricture following stent placement presented with nausea, vomiting, loss of