Digital tomosynthesis and high resolution computed tomography as clinical tools for vertebral endplate topography measurements: Comparison with microcomputed tomography
| Autor: | Ellen Yang, Michael J. Flynn, Abrar Quazi, Daniel Oravec, Angela Xiao, Roger Zauel, Yener N. Yeni |
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| Rok vydání: | 2015 |
| Předmět: |
Male
High-resolution computed tomography Histology X-ray microtomography Bone density Physiology Endocrinology Diabetes and Metabolism Lumbar vertebrae Thoracic Vertebrae Article Bone Density medicine Humans Lumbar Vertebrae medicine.diagnostic_test business.industry X-Ray Microtomography Tomosynthesis medicine.anatomical_structure Thoracic vertebrae Female Tomography Tomography X-Ray Computed Nuclear medicine business Cadaveric spasm Geology |
| Zdroj: | Bone. 81:300-305 |
| ISSN: | 8756-3282 |
| Popis: | Endplate morphology is understood to play an important role in the mechanical behavior of vertebral bone as well as degenerative processes in spinal tissues; however, the utility of clinical imaging modalities in assessment of the vertebral endplate has been limited. The objective of this study was to evaluate the ability of two clinical imaging modalities (digital tomosynthesis, DTS; high resolution computed tomography, HRCT) to assess endplate topography by correlating the measurements to a microcomputed tomography (μCT) standard. DTS, HRCT, and μCT images of 117 cadaveric thoracolumbar vertebrae (T10–L1; 23 male, 19 female; ages 36–100 years) were segmented, and inferior and superior endplate surface topographical distribution parameters were calculated. Both DTS and HRCT showed statistically significant correlations with μCT approaching a moderate level of correlation at the superior endplate for all measured parameters (R 2 Adj = 0.19–0.57), including averages, variability, and higher order statistical moments. Correlation of average depths at the inferior endplate was comparable to the superior case for both DTS and HRCT (R 2 Adj = 0.14–0.51), while correlations became weak or nonsignificant for higher moments of the topography distribution. DTS was able to capture variations in the endplate topography to a slightly better extent than HRCT, and taken together with the higher speed and lower radiation cost of DTS than HRCT, DTS appears preferable for endplate measurements. |
| Databáze: | OpenAIRE |
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