The following terms are commonly used in radiology.
b value: The “b value” (also occasionally referred to as the “b factor”) is associated with diffusion-weighted magnetic resonance imaging (diffusion-weighted MRI or DWI). It measures “strength (intensity and timing) of the diffusion gradient,”1
Radiology, the medical specialty that uses imaging to diagnose and sometimes treat disease, is distinct from radiography, an imaging technique based on x-rays passing through tissue and emerging to “hit” film on the other side. Radiology comprises all types of medical imaging, including radiography. To help standardize nomenclature and abbreviations used in radiology, a short list of terms and their definitions and helpful resources is provided in this section....
Available radiologic glossaries include the following:
■ Thoracic radiology: glossary of terms for thoracic radiology6
■ Breast imaging: American College of Radiology BI-RADS Atlas
■ Magnetic resonance: ACR Glossary of MRI Terms,
4 glossary of magnetic resonance terms1
■ Ultrasonography: Recommended Ultrasound Terminology...