"Perfect! It's for a t-spine MRI with contrast covering T1-T6"
"No, no contrast."
"The order was specifically with contrast"
"Our radiologists said that it's not needed for a thoracic spine area, and we don't like injecting people with extra dyes"
"Perhaps the radiologists aren't aware that I have a small pile of titanium in my spine. My surgeon specifically requested these two scans in this configuration."
"Well, surgeons aren't often aware of the differences between the scans."
"My surgeon is the co-director of the spinal research institute at the UCSF. I'm pretty certain he knows what he's asking for."