• These changes can be measured with linear absorption methods (single-photon absorptiometry, dual-photon absorptiometry, dual-energy X-ray absorptiometry), computed tomographic procedures (peripheral quantitative computed tomography, quantitative computed tomography), and sonographic procedures. (nih.gov)
  • pQCT denotes peripheral quantitative computed tomography which is done on the appendicular skeleton, such as the arms or legs. (boneandspine.com)
  • Dual-energy X-ray absorptiometry (DXA) and peripheral quantitative computed tomography (pQCT) assessed body composition. (arizona.edu)
  • We examined relationships between high-resolution peripheral quantitative computed tomography (HRpQCT) parameters and fracture in the UK arm of GLOW, performing a cluster analysis to assess if our findings were similar to observations reported from older participants of the Hertfordshire Cohort Study (HCS), and extended the analysis to include tibial measurements. (ox.ac.uk)
  • dual-energy X-ray absorptiometry (DEXA) and quantitative computed tomography (QCT). (spandidos-publications.com)
  • Quantitative computed tomography is a procedure which uses CT scan for quantitative assessment of the bones or bone mineral density. (boneandspine.com)
  • In recent years, better CT technology and the advantages of CT over DXA in the differentiation of cortical and trabecular bone mineral density and others, the use of quantitative computed tomography in musculoskeletal research studies is increasing. (boneandspine.com)
  • Quantitative computed tomography is used to quantify bone mineral density in the spine, proximal femur, forearm, and tibia. (boneandspine.com)
  • In spine, quantitative computed tomography gauges mineral density is gauged from analyzing the vertebral bones. (boneandspine.com)
  • Bone steam Previous studies of the effect of testosterone on bone Previous studies of the effect of testosterone on bone in men who were severely hypogonadal showed marked increases in areal bone mineral density aBMD rainbow six siege free hack dual energy x-ray absorptiometry 5, 38, volumetric bone mineral density vBMD by quantitative computed tomography QCT 39, and trabecular architecture and estimated bone strength using magnetic resonance imaging 40. (trend-door.com)
  • 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)
  • Single photon-emission computed tomography (SPECT) is a test that uses a special type of camera and a tracer (a radioactive substance in liquid form) to look at organs or bones in the body. (healthplan.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)
  • Dual-energy x-ray absorptiometry (DEXA) detects small changes in bone mass by comparing the patient's bone density to that of healthy adults (T score) and to age-matched adults (Z score). (medscape.com)
  • [ 12 ] and dual-energy x-ray absorptiometry (DEXA). (medscape.com)
  • Dual‑energy X‑ray Absorptiometry (DEXA) determines the mineral contents for the spine, the proximal femur and the entire body. (spandidos-publications.com)
  • In many cases MRA can provide information that can't be obtained from an X-ray, ultrasound, or computed tomography (CT). (healthplan.org)
  • The abdominal visceral fat area (AVFA) and abdominal subcutaneous fat area (ASFA) of the participants were measured through computed tomography scans preintervention and postintervention. (nih.gov)
  • Single photon absorptiometry is a measuring method for bone density invented by John R. Cameron and James A. Sorenson in 1963. (wikipedia.org)
  • Single photon absorptiometry (SPA) was developed in 1963 by Steichen et al. (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)
  • This method is called gamma-ray absorption method, which is also called single-photon absorption method. (wikipedia.org)
  • Single photon absorption is the earliest method to measure bone mineral density accurately. (wikipedia.org)
  • The thickness of soft tissue measured by single photon absorption method is the same. (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)
  • 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)
  • Types of spiral computed tomography technology in which multiple slices of data are acquired simultaneously improving the resolution over single slice acquisition technology. (lookformedical.com)
  • A method of computed tomography that uses radionuclides which emit a single photon of a given energy. (lookformedical.com)
  • Single and dual-energy photon absorptiometry utilized radionuclide sources. (boneandspine.com)
  • Single photon emission computed tomography may be used along with Tc-99m sestamibi scintigraphy for preoperative evaluation of hyper-functioning parathyroid gland. (wikidoc.org)
  • BMC (g/cm) can be obtained by synthesizing the measured bone gamma photon absorption energy. (wikipedia.org)
  • Computed tomography utilizes X-rays and provides an image which is based on the linear X-ray absorption coefficients of the tissues through which it passes. (boneandspine.com)
  • This provides improved three-dimensional contrast and spatial resolution compared to conventional computed tomography , where data is obtained and computed from individual sequential exposures. (lookformedical.com)
  • Dual energy X-ray absorptiometry is helpful in detecting low bone mineral density (BMD) caused by hyperparathyroidism. (wikidoc.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)
  • 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)
  • BMC and BMD are obtained by calculating the density of photon energy emitted and emitted. (wikipedia.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)
  • The median duration between pre- and postoperative dual-energy X-ray absorptiometry (DXA) measurement was 391.5 days (interquartile range, 370-458). (endocrinologyadvisor.com)
  • Computed tomography where there is continuous X-ray exposure to the patient while being transported in a spiral or helical pattern through the beam of irradiation. (lookformedical.com)
  • Dual-energy X-ray absorptiometry or DXA was based on low dose x-ray radiations has become the widely used procedure. (boneandspine.com)
  • Total fat mass and the fat mass of the android, gynoid, and trunk regions were assessed through dual-energy X-ray absorptiometry. (nih.gov)
  • Dual-energy X-ray absorptiometry (DXA) can accurately measure body composition with high-precision, low X-ray exposure, and short-scanning time. (elsevierpure.com)
  • Another modality used in hyperparathyroidism is dual energy X-ray absorptiometry ( DXA ). (wikidoc.org)
  • We recorded fracture events and performed HRpQCT of the distal radius and tibia and dual-energy X-ray absorptiometry (DXA) of the hip in 321 women, mean age 70.6 (SD 5.4) years, identifying four clusters at each site. (ox.ac.uk)
  • Computed Tomography (CT) , known for its capability to generate cross-sectional images of the body, is indispensable for detecting anatomical abnormalities. (oxfordglobal.com)
  • This graph shows the total number of publications written about "Tomography, X-Ray" by people in this website by year, and whether "Tomography, X-Ray" was a major or minor topic of these publications. (ctsicn.org)