Fig. 1From: Pancreatic schwannoma: a case report and an updated 40-year review of the literature yielding 68 casesAbdominal US. a: Linear endoscopic ultrasound demonstrating a solid-cystic, heterogeneous, well-defined hypoechoic lesion in the head process of the pancreas (arrow). b: Early contrast-enhanced ultrasound showing an echogenic peripheral zone and a hypoechoic central area compared with the surrounding pancreatic parenchymaBack to article page