Tissue sampling in the diagnosis of malignant biliary strictures – a lot of room for improvement: a single-center retrospective study

Aims Establishing an accurate diagnosis including pathological confirmation of malignancy is paramount in the management of biliary strictures. However, the overall diagnostic accuracy of the available sampling techniques is still suboptimal. We aimed to assess the rate of histological confirmation in cases of suspected instrinsic malignant extrahepatic bile duct strictures.