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 Comparative study on the bone mineral density of lumbar vertebrae measured by quantitative CT versus dual-energy X-ray bone densitometer(PDF)

《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

Issue:
2018年第10期
Page:
1178-1180
Research Field:
医学影像物理
Publishing date:

Info

Title:
 Comparative study on the bone mineral density of lumbar vertebrae measured by quantitative CT versus dual-energy X-ray bone densitometer
Author(s):
 LI Yifang CHEN Dandan CAI Yanzhi
 Department of Endocrinology, the Second People’s Hospital of Hunan Province, Changsha 410007, China
Keywords:
 Keywords: lumbar vertebrae X-ray computer tomography bone mineral density photodensity measurement
PACS:
R322.71
DOI:
DOI:10.3969/j.issn.1005-202X.2018.10.013
Abstract:
 Abstract: Objective To compare the accuracy of quantitative computed tomography (CT) and double-energy X-ray bone densitometer for measuring the bone mineral density (BMD) between lumbar vertebrae. Methods A total of 100 healthy subjects were selected and divided into observation group and control group according to different measurement methods. Double-energy X ray was adopted in observation group, while quantitative CT was applied in control group. The accuracies of measurements were analyzed and compared. Results The BMD of L2-L4 vertebral body in males and females from control group was different. Moreover, the differences in BMD between the vertebral body were significant (P<0.05), and the BMD was gradually increased by L2-L4. No statistical differences were found in the BMD of L2-L4 vertebral body in males and females from observation group (P>0.05). Conclusion Using quantitative CT for the measurement of BMD between lumbar vertebrae can effectively improve the accuracy of measurement and provide references for clinical diagnosis and treatment of diseases.

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Last Update: 2018-10-23