Intracholecystic Papillary Neoplasm of the Gallbladder Preoperatively Diagnosed by Endoscopic Ultrasonography and Peroral Cholangioscopy

CASE REPORT An 86-year-old woman from Japan was admitted to our hospital with jaundice. Endoscopic ultrasonography (EUS) revealed a high-echoic wall thickening and mass lesion with an irregular or papillary surface in the gallbladder. Moreover, mobile hyperechoic lesions were observed in the gallbladder and common bile duct. Contrast-enhanced EUS showed inhomogeneous hyperenhancement patterns within the gallbladder wall thickening and mass...