• Body composition measurement can be assessed using a DEXA machine, which stands for Dual-Energy X-Ray Absorptiometry. (topendsports.com)
  • Dual‑energy X‑ray Absorptiometry (DEXA) determines the mineral contents for the spine, the proximal femur and the entire body. (spandidos-publications.com)
  • dual-energy X-ray absorptiometry (DEXA) and quantitative computed tomography (QCT). (spandidos-publications.com)
  • Common methods include conventional radiography, quantitative CT (QCT), single-photon absorptiometry (SPA), dual-photon absorptiometry (DPA), quantitative ultrasonography (QUS), and dual-energy x-ray absorptiometry (DEXA). (medscape.com)
  • The most common and accurate way uses a procedure called dual-energy x-ray absorptiometry, also known as a DEXA scan. (medlineplus.gov)
  • The most sensitive and safest tool available to detect and measure the degree of osteoporosis is Bone Densitometry and the most sensitive and accurate way to do this is Dual X-Ray Absorptiometry (DEXA). (draxray.com)
  • The test, also known as a dual-energy x-ray absorptiometry (DEXA) scan, is performed using low-dose X-ray or electromagnetic energy. (primarycareim.com)
  • The DEXA scanning machine will then pass over the patient's hip and lower spine region while a photon generator passes beneath the patient. (primarycareim.com)
  • Also known as dual-energy x-ray absorptiometry (DEXA or DXA) or bone densitometry, the procedure involves the use of ionizing radiation to provide images of the inside of the body. (costevaluation.com)
  • It may be done using X-rays, or dual-energy X-ray absorptiometry (DEXA or DXA). (rochester.edu)
  • PET (positron emission tomography) and SPECT (single-photon emission computed tomography) rely on detection of gamma rays emitted during or following the decay of a radiotracer. (drugtargetreview.com)
  • Imaging modalities included conventional radiography, ultrasound, magnetic resonance imaging, computed tomography (CT), positron emission tomography, single photon emission CT, dual-emission x-ray absorptiometry and scintigraphy. (medthority.com)
  • Non-invasive imaging modalities for preoperative localization of hyper-functioning parathyroid glands include Tc-99m sestamibi scintigraphy ( sestamibi or MIBI ), single photon emission computed tomography ( SPECT ), positron emission tomography ( PET ). (wikidoc.org)
  • Single photon absorptiometry is a measuring method for bone density invented by John R. Cameron and James A. Sorenson in 1963. (wikipedia.org)
  • BMC (g/cm) can be obtained by synthesizing the measured bone gamma photon absorption energy. (wikipedia.org)
  • The basic principle of single-photon bone mineral density measuring instrument is to calculate the attenuation degree of single-energy gamma photon beam through bone tissue. (wikipedia.org)
  • Single photon absorption is the earliest method to measure bone mineral density accurately. (wikipedia.org)
  • The next improvement in the field of bone mineral density is the single-photon absorption (SPA) method invented by Cameron and Sorenson in 1963. (wikipedia.org)
  • Electronic off-peak status of one head of a dual-head gamma camera resulted in bone scintigraphy artifacts and faulty findings on gated myocardial SPECT. (nih.gov)
  • Bone mass was assessed by dual photon X-ray absorptiometry at the level of L2-L4. (nih.gov)
  • World Health Organization (WHO) diagnostic criteria for postmenopausal women were established in 1994 to diagnose low bone mass (osteopenia) and osteoporosis using dual-energy X-ray absorptiometry (DXA)-measured bone mineral density (BMD) to help understand the epidemiology of osteoporosis, and identify those at risk for fracture. (tmu.edu.tw)
  • Bone mineral density (BMD), bone mineral content (BMC) and bone width (BW) of lumbar spine was measured in 37 term and 38 preterm appropriate-for-gestational-age (AGA) infants and 22 term small-for-gestational-age (SGA) infants who were delivered at Yonsei University Severance Hospital from January to September 1991 using dual photon absorptiometry (DPA). (e-cep.org)
  • Dual-energy X-ray absorptiometry (DXA) was introduced in the mid-1980s as a rapid and safe imaging modality to estimate bone mineral density (BMD) and predict skeletal fracture risk [ 2 ]. (biomedcentral.com)
  • METHODS: Dual-energy x-ray absorptiometry analysis of the femoral neck and lumbar spines of 176 postmenopausal women were used to assess the bone mineral density and bone mineral content at both anatomic sites. (londonspine.com)
  • Unlike screening units using ultrasound or simpler single photon units, we are able to measure bone density in both back and hop sites. (draxray.com)
  • These examinations employ resources such as ultrasound, tomography, and photon absorption to measure bone denseness. (costevaluation.com)
  • Dual energy X-ray absorptiometry is helpful in detecting low bone mineral density (BMD) caused by hyperparathyroidism. (wikidoc.org)
  • The investigators sought to determine whether thoracic muscle mass levels secondarily assessed with preoperative noncontrast parathyroid single photon emission/computed tomography (SPECT)/CT scans could be used to predict bone density changes after parathyroidectomy in patients with PHPT. (endocrinologyadvisor.com)
  • Dual tracer Tc-99m sestamibi scintigraphy - A nuclear medicine parathyroid scan demonstrates a parathyroid adenoma adjacent to the left inferior pole of the thyroid gland. (wikidoc.org)
  • Single photon emission computed tomography may be used along with Tc-99m sestamibi scintigraphy for preoperative evaluation of hyper-functioning parathyroid gland. (wikidoc.org)
  • In 1963, the single photon absorption Assay (SPA) invented by Cameron and Sorenson was the first quantitative analysis method applied to the diagnosis of osteoporosis. (wikipedia.org)
  • The single photon absorption method operates when a certain amount of gamma rays emitted by isotopes, pass through human tissues. (wikipedia.org)
  • This method is called gamma-ray absorption method, which is also called single-photon absorption method. (wikipedia.org)
  • The thickness of soft tissue measured by single photon absorption method is the same. (wikipedia.org)
  • The body's absorption of the photons at the two levels is measured. (topendsports.com)
  • Single photon absorptiometry (SPA) was developed in 1963 by Steichen et al. (wikipedia.org)
  • The expensive and potentially dangerous radioactive sources used in SPA and DPA have been replaced by single X-ray absorptiometry (SXA) and dual-energy X-ray absorptiometry (DXA) since the late 1980s. (wikipedia.org)
  • Single and dual-energy photon absorptiometry utilized radionuclide sources. (boneandspine.com)
  • Objective:To evaluate the possibility that measurement of the magnitude and distribution of fundamental somatic heat-producing units using dual-energy X-ray absorptiometry (DXA) can be used to estimate resting energy expenditure (REE) in both young and elderly women with different aerobic fitness levels. (elsevierpure.com)
  • The median duration between pre- and postoperative dual-energy X-ray absorptiometry (DXA) measurement was 391.5 days (interquartile range, 370-458). (endocrinologyadvisor.com)
  • METHODS: BMD (g/cm(2)) was measured by dual-energy X-ray absorptiometry (DXA) of the lumbar spine (L1-L4), femoral neck and total hip in 25 adults (12 male) who fulfilled the 1996 MFS diagnostic criteria. (ox.ac.uk)
  • Subjects and methods: Anthropometric and dual-energy X-ray absorptiometry (DXA) body composition measures were obtained in children with Down syndrome (n = 59), Crohn disease (n = 128), steroid-sensitive nephrotic syndrome (n = 67) and a healthy reference group (n = 835). (johnshopkins.edu)
  • Studies using dual-photon or -energy X-ray absorptiometry (DXA) had reported a prevalence of osteoporosis (i.e. (her2-signaling.com)
  • A total of 117 female patients were divided according to lumbar spine BMD measurements via dual-energy x-ray absorptiometry in three groups: 47 with osteopenia, 21 with osteoporosis and 49 with normal BMD. (kbco.hr)
  • Subtraction technique uses dual contrast Tc-99m sestamibi along with iodine-123 or 99m-technicium pertechnetate, which are taken by thyroid tissue only. (wikidoc.org)
  • Measures true density in gm/cm- 3 centimeter in contrast to dual-energy X-ray absorptiometry, which determines density measured in g/cm 2 . (boneandspine.com)
  • At the same time, another scanning machine called a photon generator will pass beneath you. (medlineplus.gov)
  • BMC and BMD are obtained by calculating the density of photon energy emitted and emitted. (wikipedia.org)
  • BMD measurements of the lumbar spine (L1-L4) were performed by dual-energy x-ray absorptiometry (DXA). (who.int)
  • Dual-energy X-ray absorptiometry (DXA) can accurately measure body composition with high-precision, low X-ray exposure, and short-scanning time. (elsevierpure.com)
  • Dual-energy X-ray absorptiometry or DXA was based on low dose x-ray radiations has become the widely used procedure. (boneandspine.com)
  • Dual-energy X-ray absorptiometry (DXA) was the first imaging tool widely utilized by clinicians to assess fracture risk, especially in postmenopausal women. (biomedcentral.com)
  • Another modality used in hyperparathyroidism is dual energy X-ray absorptiometry ( DXA ). (wikidoc.org)
  • The person is scanned with photons that are generated by two low-dose x-rays at different energy levels. (topendsports.com)
  • The technique relies on transmission measurements made at two photon energies to allow calcium, and thereby bone mineral, be assessed. (iaea.org)
  • A total of 117 female patients were divided according to lumbar spine BMD measurements via dual-energy x-ray absorptiometry in three groups: 47 with osteopenia, 21 with osteoporosis and 49 with normal BMD. (kbco.hr)
  • dual-energy x-ray absorptiometry measurements of aBMD at the lumbar spine and total hip were also measured. (ox.ac.uk)
  • A variety of methods are now available for assessing body composition in CF, including bioelectric impedance analysis, dual photon and dual x-ray absorptiometry, and total body electrical conductivity. (nih.gov)
  • Body composition was assessed by dual-energy x-ray absorptiometry. (sdu.dk)
  • Body composition data measured by air displacement plethysmography (ADP) and dual energy X-ray absorptiometry (DXA) in preterm and term infants until six months corrected age were abstracted from publications (31 December 1990 to 30 April 2019). (mcmaster.ca)
  • Buckley's team analyzed data for 206 children from the HOME cohort who had also undergone dual-energy X-ray absorptiometry bone scans at 12 years of age. (nih.gov)
  • No tissue bank performs dual energy X-ray absorptiometry scans of potential bone donors. (elsevierpure.com)
  • METHODS: We included participants age ≥20 years with BMD (total and subregions) measured by dual x-ray absorptiometry scans and complete information on covariates from NHANES. (ox.ac.uk)
  • BMC and BMD are obtained by calculating the density of photon energy emitted and emitted. (wikipedia.org)
  • BMC (g/cm) can be obtained by synthesizing the measured bone gamma photon absorption energy. (wikipedia.org)
  • The basic principle of single-photon bone mineral density measuring instrument is to calculate the attenuation degree of single-energy gamma photon beam through bone tissue. (wikipedia.org)
  • The expensive and potentially dangerous radioactive sources used in SPA and DPA have been replaced by single X-ray absorptiometry (SXA) and dual-energy X-ray absorptiometry (DXA) since the late 1980s. (wikipedia.org)
  • All spines were osteoporotic (mean T score ± SD, −4.0 ± 1.0), as determined by means of dual-energy X-ray absorptiometry ( 2 ). (ajnr.org)
  • Bone mass density was measured by dual-energy photon absorptiometry. (nih.gov)
  • Single Photon Absorptiometry (SPA) and Dual-Photon Absorptiometry (DPA) - measure bone mineral content at the distal radius (SPA) and the spine and hip (DPA) using photons emitted at low energy levels. (bcbsnd.com)
  • Dual energy x-ray absorptiometry (DXA) was evaluated for its ability to measure changes in bone mineral density in isolated rat tibiae. (elsevierpure.com)
  • BMD and BMC were measured by Dual-energy X-ray absorptiometry. (nih.gov)
  • Bone density was assessed using dual-energy X-ray absorptiometry. (uni-luebeck.de)
  • We analyzed spine and hip BMD in 153 volunteers, 98 women and 55 men, using dual-energy X-ray absorptiometry. (univr.it)
  • Methods: We studied 282 subjects with definitive CP enrolled in the PROCEED study who had a baseline dual-energy X-ray absorptiometry (DXA) scan. (elsevierpure.com)
  • Using a cross-sectional investigation of 2631 participants from the Erasmus Rucphen Family study, we studied associations between BMD (using dual-energy X-ray absorptiometry (DXA]) at the hip, lumbar spine, total body (BMD and BMC), and fat distribution by the waist-to-hip ratio (WHR), waist-to-thigh ratio (WTR), and DXA-based trunk-to-leg fat ratio and android-to-gynoid fat ratio. (ox.ac.uk)
  • BMD techniques were originally based on single-photon absorptiometry, in which transmission of a scanning pencil beam, from a radionuclide source, through the patient was measured. (iaea.org)