Imaging 101

Need a short course on the terminology of imaging? Here is a glossary of the most important terms to know.

Diagnostic imaging: Any visual display of the organs, bones, or tissues used to evaluate or diagnose a patient.

Radiology: The study of x-rays in order to diagnose health problems.

Radiologist: A doctor who specializes in the use of imaging techniques (x-rays, ultrasound, CT, MRI) to diagnose a patient.

Interventional radiology: A subspecialty that uses x-ray, CT, and ultrasound to guide procedures within the body such as biopsy, draining fluid, or inserting a catheter.

Nuclear medicine: Medicine that uses radioactive materials to diagnose and treat diseases.