Gadolinium for MRI which has now been shown to be dangerous due to deposition within the brain as well as potential for toxicity to the soft tissues of the body.
I personally don't use much contrast material , especially with MRI studies, don't need to, frankly,
hope this helps, dlh
Ultrasound guided injection of collagenase (an enzyme) can dissolve some of the scarring. An oral herb cocktail that can be obtained from Natalia Bragg in Maine will help to heal the lesions and to prevent them from recurring (Knot II Bragg farms)