Larissa L Fujii-Lau, Nirav C Thosani, Mohammad Al-Haddad, Jared Acoba, Curtis J Wray, Rodrick Zvavanjanja, Stuart K Amateau, James L Buxbaum, Sachin Wani, Audrey H Calderwood, Jean M Chalhoub, Nayantara Coelho-Prabhu, Madhav Desai, Sherif E Elhanafi, Douglas S Fishman, Nauzer Forbes, Laith H Jamil, Terry L Jue, Divyanshoo R Kohli, Richard S Kwon, Joanna K Law, Jeffrey K Lee, Jorge D Machicado, Neil B Marya, Swati Pawa, Wenly Ruan, Mandeep S Sawhney, Sunil G Sheth, Andrew Storm, Nikhil R Thiruvengadam, Bashar J Qumseya
Biliary strictures of undetermined etiology pose a diagnostic challenge for endoscopists. Despite advances in technology, diagnosing malignancy in biliary strictures often requires multiple procedures. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework was used to rigorously review and synthesize the available literature on strategies used to diagnose undetermined biliary strictures. Using a systematic review and meta-analysis of each diagnostic modality, including fluoroscopic-guided biopsy sampling, brush cytology, cholangioscopy, and EUS-guided FNA or fine-needle biopsy sampling, the American Society for Gastrointestinal Endoscopy Standards of Practice Committee provides this guideline on modalities used to diagnose biliary strictures of undetermined etiology...
November 2023: Gastrointestinal Endoscopy