Fig. 1From: Intraductal papillary mucinous neoplasm complicated with intraductal bleeding in a young woman mimicked a cystic solid pseudo-papillary tumor: a case reportUltrasound examination demonstrated a hypoechoic mass with irregular shaped, ill-defined and no blood signals in the retroperitoneal space with uncertain origin (P, pancreas; AO: abdominal aorta)Back to article page