Fig. 3From: Colloid carcinoma derived from intraductal papillary mucinous neoplasm of the pancreatic head with calcification: A case report and literature reviewa Endoscopic ultrasound (EUS) revealed a multilobular cystic lesion with a 17 mm mural nodule (white arrow) in the pancreatic head. The blood flow signal in the mural nodule was not observed. b Prominent calcification with acoustic shadow was observed on part of the cyst wall (white arrowheads)Back to article page