National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
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 DEXA scan, bone mineral density scan, BMD scan, dual x-ray absorptiometry, DXA, and DEXA.

Previous Definitions:DSMB, DT388IL3 fusion protein, DTGM fusion protein, DTH, DU 145
Next Definitions:dual x-ray absorptiometry, duct, ductal carcinoma, ductal carcinoma in situ, ductal lavage