AI Article Synopsis
- Ulnar collateral ligament (UCL) injuries in the thumb often occur due to sports-related hyper-abduction or falls, and distinguishing between partial and complete tears can be difficult, especially in emergencies.
- A study was conducted reviewing patients who underwent ultrasound for suspected UCL injuries, finding that ultrasound had a 63% accuracy rate in confirming complete tears compared to surgical findings.
- While ultrasound is helpful for diagnosing UCL injuries, it has a significant false-positive rate of 37%, suggesting the need for additional imaging techniques to enhance accuracy.
Article Abstract
Introduction: Ulnar collateral ligament (UCL) injuries at the thumb metacarpophalangeal joint (MCPJ) commonly result from hyper-abduction during sports or falls. Differentiating partial from complete UCL tears, including Stener lesions, can be challenging in acute settings. While ultrasound provides a rapid and accessible diagnostic tool, its accuracy in predicting surgical findings remains uncertain.
Methods: A retrospective review of patients with suspected UCL injuries who underwent ultrasound at CDDFT over five years was conducted. Inclusion criteria were ultrasounds indicating complete UCL tears or Stener lesions. Operative findings were used as the gold standard for diagnosis.
Results: Of 50 patients, 19 met the inclusion criteria. Complete UCL tears were confirmed intraoperatively in 11 patients (63%), while 6 (37%) had intact ligaments, yielding a positive predictive value of 63% for ultrasound.
Conclusions: Ultrasound is a valuable tool for diagnosing UCL injuries but shows limitations, with a 37% false-positive rate. Supplementary imaging may improve diagnostic accuracy.
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| http://dx.doi.org/10.1016/j.bjps.2024.11.059 | DOI Listing |
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