When should i get a ct scan vs. ultrasound? i had an ultrasound done and the doctor said it showed a pancreatic head mass. however, a ct scan was done by another doctor and he said it showed nothing. so i had another ultrasound done and the doctor said

A : A ct scan of the abdomen and pelvis with intravenous contrast is generally the best way to evaluate the pancreas. It would be unusual for an ultrasound to detect a pancreatic mass that cannot be seen on ct. Generally, i would trust the ct scan over the ultrasound findings, but it sounds like your pancreas has a very unusual appearance on ultrasound. Someone needs to take the ct scan images to the radiologist who evaluated the ultrasound studies and have him/her compare both studies and explain why the mass is not seen on the ct images. It is extremely important that radiologists have comparison studies available to them so that the most accurate diagnosis is achieved.

Ct/ mri: Are better than ultrasound to evaluate but , it could be serious if real so get second opinion.