Discovering Medical Imaging and Radiation Therapy

High Tech​, High Touch

High Tech, High Touch

People who work in medical imaging and radiation therapy are highly educated members of the health care team.

Who Are Radiologic Technologists?

Radiologic technologists are the health care professionals who perform medical imaging examinations and administer radiation therapy treatments. They're educated in anatomy, patient positioning, examination techniques, equipment protocols, radiation safety, physics, radiation protection and basic patient care.

Radiology Technologist wearing a dosimetry badge

Radiologic technologist wearing a dosimetry badge

Michael McDermott / © ASRT​

What Do They Do?

Radiologic technologists operate the medical imaging equipment and perform the exams. They’re responsible for accurately positioning patients and ensuring that a quality medical image is produced.

Radiation therapists administer targeted doses of radiation to patients to treat and control diseases such as cancer. They’re educated in physics, radiation safety, patient anatomy and patient care.

Learn more about radiologic technologists and radiation therapists.

Radiologic Technologist with a patient

Radiologic technologist with a patient

Michael McDermott / © ASRT​

The first x-ray image was taken by Wilhelm Conrad Roentgen in 1895. Every November, ASRT celebrates National Radiologic Technology Week® to honor Roentgen and his discovery.

  • Wilhelm Conrad Roentgen / © Public domain
    Wilhelm Conrad Roentgen / © Public domain

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