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DEXA scan vs MRI for bone assessment

DEXA scan vs MRI for bone assessment

DEXA scan vs MRI for bone assessment Garlic for arthritis relief share the following link with will be able to read this content:. The T1 and T2 signal intensity ecan L1—L4 vertebral vss VB assessmnet, cerebro-spinal fluid CSFand psoas muscle were measured within a 1-cm 2 region of interest ROIand the signal intensity ratios were calculated. Magnetic resonance imaging technology operates by using radiofrequency and magnetic fields to develop images of the inside of the body. Choosing a nuclear bone scan vs.


ARA Bone Density Imaging Procedure Part 1 – The Exam

DEXA scan vs MRI for bone assessment -

Prospective validation is needed to confirm these findings. This is a preview of subscription content, log in via an institution to check access. Rent this article via DeepDyve. Institutional subscriptions. Clynes MA, Harvey NC, Curtis EM, Fuggle NR, Dennison EM, Cooper C The epidemiology of osteoporosis.

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Appl Radiat Isot Data Instrum Methods Use Agric Ind Med 50 1 — Article CAS Google Scholar. Download references. This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors. Spinal Surgery, Royal Orthopaedic Hospital, Bristol Road South, Birmingham, B31 2AP, UK.

Radiology, Royal Orthopaedic Hospital, Bristol Road South, Birmingham, B31 2AP, UK. Radiology, University Hospitals Birmingham NHS Trust, Mindelsohn Way, Birmingham, B15 2GW, UK.

Neurosurgery, University Hospital, Clifford Bridge Road, Coventry, CV2 2DX, UK. You can also search for this author in PubMed Google Scholar. ROIs were manually drawn on the selected vertebral bodies used for BMD measurements in DXA. In CT, the largest possible elliptical ROIs were drawn to avoid the cortical margin at three different levels of the axial images of each bone Supplementary Figure S1 online 12 , Mean HU values were calculated for the ROIs using the INFINITT PACS.

An average of the 3 measurements determined the HU for individual vertebral levels. The ROIs included only cancellous bone, and cortical edges, osseous abnormalities, and venous plexus were avoided.

In MR, ROIs were measured on the sagittal slice at the central region of the vertebral body. Manual ROIs were drawn along the outer border of the vertebral body to encompass as much of the bone marrow area as possible while avoiding confounding structures, such as the bony cortex and vertebral venous plexus Fig.

The HU values and PDFF measured in the selected L1—4 bodies were averaged and used as a representative value for each individual. DXA scan, CT scan, and MR PDFF map of a year-old female patient.

Since the T-score of L4 increased by more than 1 SD than that of L3, it is excluded from the measurement. Therefore, the BMD of this patient is measured to be 0. b TBS is measured as 1. c A sagittal CT image show sclerotic changes around the lower endplate of L4. HU measurements are performed in L1—3, and the mean HU values are PDFF are DXA—dual-energy X-ray absorptiometry, PDFF—proton density fat fraction, SD—standard deviation, BMD—bone mineral density, TBS—trabecular bone score, HU—Hounsfield unit.

Interobserver and intraobserver agreement between HU and PDFF measurements was analyzed using the ICC value. We compared BMD, TBS, HU, and PDFF values between males and females and female subgroups using an independent t test.

The degree of correlation was scored as follows: 0—0. An independent t test was conducted to compare mean HU values and PDFF of normal, osteopenia, and osteoporosis groups. To determine the diagnostic performance of the parameters for predicting osteopenia and osteoporosis, ROC curves were generated.

The AUCs were calculated, and optimal mean HU values were obtained by each reader. AUCs were compared using the DeLong test and interpreted as follows: 0.

Statistical analyses were performed using commercially available software MedCalc version Consensus development conference. Diagnosis, prophylaxis, and treatment of osteoporosis.

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A practical approach to interpretation of dual-energy X-ray absorptiometry DXA for assessment of bone density. Amin, M. Correlation between Hounsfield unit derived from head, thorax, abdomen, spine and pelvis CT and t-scores from DXA. Yun, J. Use of proton density fat fraction MRI to predict the radiographic progression of osteoporotic vertebral compression fracture.

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Download references. Department of Radiology, Ajou University School of Medicine, , World Cup-Ro, Yeongtong-Gu, Suwon, , South Korea. Musculoskeletal Imaging Laboratory, Ajou University Medical Center, Suwon, South Korea. You can also search for this author in PubMed Google Scholar. Methodology: J.

study design , S. study design consult , K-S. study design consult ; Validation: S. preparing tables , J. preparing figures ; Writing—original draft: H. Correspondence to Jae Sung Yun. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Lee, H. CT and MR for bone mineral density and trabecular bone score assessment in osteoporosis evaluation. Sci Rep 13 , Download citation. Received : 24 February Accepted : 29 September Published : 03 October Anyone you share the following link with will be able to read this content:.

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Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily. Skip to main content Thank you for visiting nature. nature scientific reports articles article. Download PDF. Subjects Diseases Health care Medical research. Abstract Dual energy X-ray absorptiometry DXA is widely used modality for measuring bone mineral density BMD.

Introduction Osteoporosis is a systemic skeletal disease characterized by low bone mass and microarchitectural deterioration of bone tissue 1. Figure 1. Full size image. Table 1 Comparison of males and females, and subgroups of females. Full size table. Table 4 Comparison of normal and osteopenia groups, and osteopenia and osteoporosis groups.

Figure 2. Table 5 Diagnostic performance of HU and PDFF in predicting osteopenia and osteoporosis. Discussion This study was conducted to investigate the role of CT and MR in predicting BMD and TBS.

Materials and methods Patient selection This retrospective study was approved by the Institutional Review Board of Ajou University Hospital IRB no. Dual-energy X-ray absorptiometry All DXA examinations of the lumbar spine L1—4 were performed using a Lunar Prodigy scanner GE Healthcare, Madison, WI, USA.

Computed tomography CT was performed using seven multidetector CT scanners Siemens Somatom Definition Edge, Definition Flash, and Force, Siemens Healthineers, Erlangen, Germany; Philips Brilliance 64 and Brilliance 16, Philips Healthcare, Best, Netherlands; Canon Aquilion One, Canon Medical Systems, Otawara, Japan; GE Revolution EVO, Madison, WI, GE Healthcare.

Magnetic resonance imaging Spinal MR was performed using a 3-T MR scanner Discovery MRw, GE Healthcare, Madison, WI, GE Healthcare and Ingenia Elition X, Philips Healthcare, Best, Netherlands.

Figure 3. References Consensus development conference. Article Google Scholar Dobbs, M. CAS PubMed PubMed Central Google Scholar Glaser, D. Article Google Scholar Shevroja, E. Article CAS PubMed PubMed Central Google Scholar Link, T.

Article CAS PubMed PubMed Central Google Scholar Silva, B. Article PubMed Google Scholar Boutroy, S. Article CAS PubMed Google Scholar Hans, D. Article PubMed Google Scholar Leib, E. Article CAS PubMed Google Scholar Damilakis, J. Article PubMed PubMed Central Google Scholar Cosman, F.

Article CAS PubMed PubMed Central Google Scholar Schreiber, J. Article PubMed Google Scholar Zhu, Y. Article PubMed Google Scholar Zou, D. Article PubMed Google Scholar Schreiber, J. Article PubMed Google Scholar Vijay, A.

Bone densitometry, High protein diet and heart health called Non-synthetic beauty solutions x-ray absorptiometry, DEXA or Bkne, uses a very small dose Non-synthetic beauty solutions ionizing radiation to produce pictures of the assesssment of the body usually bonw lower or lumbar spine and asxessment to measure bone loss. It is commonly used to diagnose osteoporosis, to assess an individual's risk for developing osteoporotic fractures. DXA is simple, quick and noninvasive. It's also the most commonly used and the most standard method for diagnosing osteoporosis. This exam requires little to no special preparation. Tell your doctor and the technologist if there is a possibility you are pregnant or if you recently had a barium exam or received an injection of contrast material for a CT or radioisotope scan. DEXA scan vs MRI for bone assessment

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