Pancreatic neuroendocrine tumor on contrast-enhanced ultrasound
Pancreatic neuroendocrine tumor on contrast-enhanced ultrasound
Pancreatic neuroendocrine tumors typically present as hyperenhancing focal pancreatic lesions in the early arterial phase (A), owing to their abundant arterial vascularization. During the venous phase, rapid wash-out resulting in a hypoechoic appearance has been reported (B).