ColumbiaDoctors Midtown Radiology Diagnostic Imaging Center

Magnetic resonance imaging (MRI) is an imaging procedure utilizing strong magnetic fields and radio waves to produce cross-sectional images of organs and internal structures in the body. 

A form of MRI called magnetic resonance angiography (MRA) is an MRI that focuses on blood vessels and blood flow. MRA is most commonly used to identify aneurysms and blockages of blood vessels in the head, neck, chest, abdomen, or extremities.

PET is often combined with CT (computed tomography) in a dual-purpose PET-CT imaging device. The scans are done simultaneously and can be viewed separately or as a single, overlapping "fused" PET-CT image. The two individual techniques present different types of information:

• PET shows metabolic or chemical activity in the body
• CT shows the body's anatomical structures

Computed tomography (CT) (sometimes called "computerized tomography" or "computed axial tomography" (CAT)), is an X-ray exam that uses specialized equipment to produce cross-sectional images of the body. 

Mammography, a technique that uses a low dose of X-rays to image the breast, is an important tool in detecting breast disease. 

The most advanced form of bone densitometry, DEXA (dual energy X-ray absorptiometry), is a non-invasive and painless X-ray test of the spine, hip, and arm bones that gives doctors precise information about the amount of calcium in the bones.

Ultrasound imaging uses sound waves with a frequency above the range audible to the human ear—“ultrasound”—to create images of internal organs, structures, and tissues. 

Fluoroscopy is an X-ray imaging technique doctors use to observe both the structure and function of organs including the bladder, kidneys, reproductive organs, and parts of the GI tract.