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Radiation and Imaging

By Hakan Ilaslan, MD, Associate Professor of Radiology; Staff Radiologist, Cleveland Clinic Lerner College of Medicine at Case Western Reserve University; Imaging Institute, Diagnostic Radiology

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Patient Education

Imaging helps with initial diagnosis, staging, and monitoring. Primary care physicians and specialists work with radiologists who specialize in diagnostic imaging to choose the best imaging test; choice is based on the type of lesion suspected and its anatomic location.

Many imaging tests (eg, x-rays, CT, radionuclide scanning) use ionizing radiation and radiographic contrast agents; the associated risks to patients are usually small but should be considered.