Contrast-enhanced endoscopic ultrasound for pancreatobiliary disease

Endoscopic ultrasound (EUS), with or without fine needle aspiration (FNA), has become an essential tool in the evaluation of pancreatobiliary diseases. Although conventional EUS is superior to multidetector computed tomography in tumor detection and staging, there are situations when characterization of various pancreatobiliary lesions remains difficult. Contrast-enhanced EUS (CE EUS) can further improve the detection and characterization of pancreatic solid lesions such as ductal adenocarcinoma, neuroendocrine tumor, or mass-forming autoimmune pancreatitis based on differences in the enhancement pattern of the target lesions. It is also useful in differentiating between mural nodules and mucous clots in pancreatic cystic neoplasms, and characterizing various lesions in the gallbladder and bile duct. CE EUS is complementary to FNA and has the potential to increase the diagnostic yield on the first FNA needle pass.

Abstract licence: CC BY-NC

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