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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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This is a method of assessing bone mineral density using a single energy X-ray beam.

It is now widely considered inferior to dual-energy X-ray absorptiometry which uses a second energy beam to correct for absorption of X-ray energy by non-calcium containing tissues.

Many previous studies of peripheral bone mineral density measurement for instance at the wrist, used SXA to assess bone mineral density.

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