Bone Mineral Content and Soft-Tissue Assessment in Limb Segments by Dual-Energy X-ray Absorptiometry
| Autor: | Pierre Braillon, F. Chotel |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Bone mineral
Pixel medicine.diagnostic_test business.industry Endocrinology Diabetes and Metabolism Soft tissue Scan time Peripheral skeleton Bone consolidation medicine Bone mineral content Radiology Nuclear Medicine and imaging Orthopedics and Sports Medicine Nuclear medicine business Dual-energy X-ray absorptiometry |
| Zdroj: | Journal of Clinical Densitometry. 6:149-158 |
| ISSN: | 1094-6950 |
| DOI: | 10.1385/jcd:6:2:149 |
| Popis: | The aim of this study was to define the best scanning parameters to assess bone mineral content (BMC) and bone mineral density (BMD) in specific dual-energy X-ray absorptiometry (DXA) applications, such as those encountered in orthopedics for the measurements of the peripheral skeleton. To simulate soft tissues and bones in a limb, we used simple phantoms made with plastic bottles (500 mL and 1500 mL) filled with tap water and cylinders of hydroxyapatite (HAP) powder set in a polymer at various concentrations (range, 0.150–1.500 g HAP/cm 3 ). Data obtained from 204 measurements of these phantoms with different scanning speeds and pixel sizes showed that the best compromise for obtaining precise measurements in the shortest scan time was a scanning speed of 50 mm/s and a pixel size of 1.5 mm × 1.5 mm. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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