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What are diagnostic radiologists?

Diagnostic radiologists are doctors who specialize in diagnostic radiology, a branch of medicine that uses imaging tools to view internal body structures to screen for certain medical conditions, determine what's causing symptoms you might be having or monitor the progression of a disease or how well a treatment is working.

Some of the most common tests used by diagnostic radiologists include:
  • x-rays
  • computed tomography (CT scans), an imaging method that uses x-rays to create pictures of cross-sections of the body
  • fluoroscopy, including upper gastrointestinal and barium enema
  • MRIs, magnetic resonance imaging tests that use powerful magnets and radio waves to create pictures of the body
  • mammography, x-rays of the breasts
  • PET (positron emission tomography) scans, imaging tests that use a radioactive substance called a tracer to look for disease in the body
  • ultrasound scans, which use high-frequency sound waves to make images of organs and structures inside the body
  • bone scans
  • thyroid scans
  • nuclear stress tests
A diagnostic radiologist typically works together with your primary care physician to help diagnose and treat many different diseases and conditions.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.