Pancreatoscopy guided lithotripsy for difficult pancreatic duct stones: Evidence and treatment selection in chronic pancreatitis

Figure 1 Evidence timeline shaping current management of difficult pancreatic duct stones. Chronological overview of key guideline statements, randomized trials, comparative observational studies, meta-analyses, long-term outcome studies, imaging-predictor studies, and training or safety statements relevant to extracorporeal shock wave lithotripsy, pancreatectomy-guided lithotripsy, and the interface with pancreatic surgery. ESGE: European Society of Gastrointestinal Endoscopy; ESWL: Extracorporeal shock wave lithotripsy; DSOP: Digital single-operator pancreatoscopy; AGA: American Gastroenterological Association; ASGE: American Society for Gastrointestinal Endoscopy; CT: Computed tomography; EHL: Electrohydraulic lithotripsy.