RTE 1513C - Radiographic Procedures 2 RTE 1513C - Radiographic Procedures 2 This course presents radiographic procedures, anatomy and pathology of the spine, skull, paranasal sinuses, and facial bones. Barium and iodinated contrast studies of the GI, urinary, and hepatobiliary tract will also be covered. Occupational (A.S. and A.A.S.)