Contrast & GFR, Premedication Protocols for Allergies, and Concerns for Gadolinium Deposition Contrast & GFR, Premedication Protocols for Allergies, and Concerns for Gadolinium Deposition – Thomas P. Naidich, MD Pathology & Tumor Markers Approach to Brain Lesions Back to: [CME EXPIRED] State-of-the-Art Imaging Review: Brain, Spine, Head & Neck