Journal
FRONTIERS IN SURGERY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fsurg.2022.1000404
Keywords
distal radius volar tilt; distal radius inclination; supination; pronation; rotation matrix
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Funding
- Taiwan Ministry of Science and Technology
- [109-2314-B-038 -029]
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The orientation of the distal radius is crucial in evaluating Colles' fracture. This study presents a mathematical model to calculate the pronation angle required to achieve dorsal tilt, which represents volar tilt in a perfect lateral view radiograph.
Distal radius orientation is important in evaluating Colles' fracture. In most cases, the wrist was protected by a bandage, splint, or cast. Therefore, it was difficult for the radiology technician to take perfect anteroposterior and lateral view radiographs. In this study, we build a mathematical model and calculate the pronation angle needed to produce dorsal tilt, which is a volar tilt in a perfect lateral view radiograph. The formulas are all incorporated into Excel to facilitate usage.
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