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Home >Information for Patients > Dictionary Index
Dictionary of Cancer Terms
View in Spanish: Gammagrafía absorciométrica dual de rayos X
Dual energy x-ray absorptiometric scan ( ub-SORP-shee-uh-MEH-trik SKAN)
An imaging test that measures bone density (the amount of bone mineral contained in a certain volume of bone) by passing x-rays with two different energy levels through the bone. It is used to diagnose osteoporosis (decrease in bone mass and density). Also called BMD scan, bone mineral density scan, DEXA, DEXA scan, dual x-ray absorptiometry, and DXA.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.
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22 S. Greene Street, Baltimore, MD 21201
22 S. Greene Street, Baltimore, MD 21201
