Ultrasonic demonstration of a dilated pancreatic duct in chronic pancreatitis - the "double dot" sign.
D002908:Chronic Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D010183:Pancreatic Ducts / Q000473:pathology*; D010195:Pancreatitis / Q000175:diagnosis*; D014463:Ultrasonography