American College of Radiology

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As a patient, you have a say in who provides your health care and where you receive it. A core element of the ACR's mission is to maximize the quality and safety of patient care by providing resources to help you make informed decisions.
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Radiology Benefits and Risks

As a patient, you may have concerns about imaging procedures. How much medical radiation is too much? What are the benefits of CT scans? Does my age or gender affect my risk? What are the risks?

What Is a Radiologist?

Radiologists are medical doctors (MDs) or doctors of osteopathic medicine (DOs) who specialize in diagnosing and treating diseases and injuries using medical imaging techniques, such as x-rays, computed tomography (CT), magnetic resonance imaging (MRI), nuclear medicine, positron emission tomography (PET) and ultrasound.
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Find an ACR-Accredited Facility

Search through our database to locate a facility that has been accredited by the ACR. Accreditation means that your hospital, clinic or health center has voluntarily gone through a rigorous review process to be sure it meets nationally accepted standards.

Other Resources

Information on clinical trials and other cancer-related resources.

Radiology Safety Informational Videos

These videos address safety concerns related to CT and MRI scans.