Bone densitometry is used to measure the bone mineral content
and density. This measurement can indicate decreased bone mass, a
condition in which bones are more brittle and more prone to break
or fracture easily. Bone densitometry is used primarily to diagnose
osteoporosis and to determine fracture risk. The testing procedure
measures the bone density of the bones of the spine, pelvis, lower
arm, and thigh.
Bone densitometry testing may be done using x-rays, dual-energy
x-ray absorptiometry (DEXA or DXA) or by quantitative CT scanning
using special software to determine bone density of the hip or
spine. These procedures are generally done in a clinic, hospital,
or free-standing radiology facility.
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