Structured Summary
Abstract
A noninvasive method for assessing BODY COMPOSITION. It is based on the differential absorption of X-RAYS (or GAMMA RAYS) by different tissues such as bone, fat and other soft tissues. The source of (X-ray or gamma-ray) photon beam is generated either from radioisotopes such as GADOLINIUM 153, IODINE 125, or Americanium 241 which emit GAMMA RAYS in the appropriate range; or from an X-ray tube which produces X-RAYS in the desired range. It is primarily used for quantitating BONE MINERAL CONTENT, especially for the diagnosis of OSTEOPOROSIS, and also in measuring BONE MINERALIZATION.
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Synonyms
50 entry terms
- Absorptiometry, Photon
- Absorptiometry, Dual X-Ray
- Absorptiometry, Dual-Energy Radiographic
- Absorptiometry, Dual-Energy X-Ray
- Absorptiometry, X-Ray
- DEXA Scan
- DPX Absorptiometry
- DXA Scan
- Densitometry, X-Ray
- Densitometry, Xray
- Dual X-Ray Absorptiometry
- Dual-Energy Radiographic Absorptiometry
- Dual-Energy X-Ray Absorptiometry
- Dual-Energy X-Ray Absorptiometry Scan
- Dual-Photon Absorptiometry
- Photodensitometry, X-Ray
- Radiographic Absorptiometry, Dual-Energy
- Single-Photon Absorptiometry
- X-Ray Absorptiometry
- X-Ray Absorptiometry, Dual-Energy
- X-Ray Photodensitometry
- Absorptiometries, DPX
- Absorptiometry, DPX
- Absorptiometry, Dual Energy Radiographic
- Absorptiometry, Dual Energy X Ray
- Absorptiometry, Dual X Ray
- Absorptiometry, Dual-Photon
- Absorptiometry, Single-Photon
- Absorptiometry, X Ray
- DEXA Scans
- DXA Scans
- Densitometry, X Ray
- Dual Energy Radiographic Absorptiometry
- Dual Energy X Ray Absorptiometry
- Dual Energy X Ray Absorptiometry Scan
- Dual Photon Absorptiometry
- Dual X Ray Absorptiometry
- Photodensitometry, X Ray
- Radiographic Absorptiometry, Dual Energy
- Scan, DEXA
- Scan, DXA
- Scans, DEXA
- Scans, DXA
- Single Photon Absorptiometry
- X Ray Absorptiometry
- X Ray Absorptiometry, Dual Energy
- X Ray Photodensitometry
- X-Ray Absorptiometry, Dual
- X-Ray Densitometry
- Xray Densitometry
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Aspects Covered
11 allowable subheadings
Indexed with the subheadings adverse effects, classification, economics, ethics, history, instrumentation, methods, standards, statistics & numerical data, trends, veterinary.
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History Note
90; was see RADIONUCLIDE IMAGING 1985-1989; for DUAL-ENERGY RADIOGRAPHIC ABSORPTIOMETRY use DENSITOMETRY, X-RAY
MeSH Record
Previous Indexing
- Absorption (1972-1979)
- Densitometry (1966-1989)
- Radionuclide Imaging (1977-1989)
- Spectrophotometry, Atomic Absorption (1974-1982)
- Tomography, Emission Computed (1980-1989)
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References
- National Library of Medicine. Photon Absorptiometry. Medical Subject Headings (MeSH). 2026. Unique ID D015502. http://id.nlm.nih.gov/mesh/2026/D015502
- Photon Absorptiometry. In: Wikidata. https://www.wikidata.org/wiki/Q73227822