single-energy X-ray absorptiometry
(redirected from SXA)Also found in: Acronyms.
single-energy X-ray absorptiometry
A bone density scan used to assess the mineral content of bone in a workup for osteoporosis, using a single X-ray beam to estimate the bone density of certain bones. SXA is not used as common as dual-energy X-ray absorptiometry (DEXA).Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.