Procedures and Techniques

The most common types of diagnostic radiology exams include:

Computed tomography (CT), also known as a CAT scan (computerized axial tomography), including CT angiography
Fluoroscopy, including upper GI and barium enema
Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA)
Mammography
Nuclear medicine, which includes such tests as a bone scan, thyroid scan, and thallium cardiac stress test
Plain x-rays, which includes chest x-ray
Positron emission tomography, also called PET imaging or a PET scan
Ultrasound