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- Talk
- Canada
Biomechanical Comparison of Dynamic CT Scan and Stress CT Scan for DRUJ instability
Description
This presentation by Kendrick Au discusses the complexities surrounding the diagnosis of distal radioulnar joint (DRUJ) instability, particularly focusing on the limitations of current diagnostic methods like the DRUJ Ballottement test and the dynamic CT scan. Au highlights the joint's inherent instability due to its reliance on surrounding soft tissue for stability and the challenges in accurately diagnosing injuries when these structures are compromised.
He presents findings from a study aimed at improving diagnostic accuracy by comparing standard dynamic CT scans with a novel stress CT method that simulates joint load during imaging. Preliminary results indicated that while traditional dynamic CT did not show significant differentiators between intact and sectioned triangular fibrocartilage complex (TFCC), the addition of load across the wrist significantly improved the detection of instability in certain wrist positions. Au emphasizes the need for further research to refine these techniques and their potential implications in clinical practice.