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Avulsion Injuries of the Hand and Wrist
Michael D Weintraub1, Barry G Hansford1, Sarah E Stilwill1
1From the Department of Radiology and Imaging Sciences, University of Utah, 30 N 1900 E #1A071, Salt Lake City, UT 84132 (M.D.W., S.E.S., H.A., R.L.L., C.J.H., B.Y.C., M.S., P.K., M.K.M.); and Department of Diagnostic Radiology, Oregon Health and Science University, Portland, Ore (B.G.H.).
Summary
Radiologists can identify hand and wrist avulsion injuries by understanding their characteristic imaging appearance, which is linked to the complex anatomy and injury mechanism. This knowledge aids in accurate diagnosis and treatment planning for these common orthopedic injuries.
Area of Science:
- Radiology
- Orthopedic Surgery
- Anatomy
Background:
- Hand and wrist avulsion injuries are common in clinical practice.
- These injuries present a diverse range of presentations but often have distinct imaging features.
- Understanding the intricate anatomy and injury mechanisms is crucial for diagnosis.
Purpose of the Study:
- To review common and uncommon avulsion injuries of the hand and wrist.
- To describe the characteristic imaging appearance of these injuries.
- To highlight potential mimics of avulsion injuries on imaging.
Main Methods:
- Review of frequently and infrequently encountered avulsion injuries.
- Correlation of imaging findings with relevant anatomy and injury mechanisms.
- Discussion of differential diagnoses that may mimic avulsions.
Main Results:
- Detailed description of imaging findings for specific avulsions including Bennett fracture, ligamentous avulsions, and tendon injuries.
- Identification of common and uncommon avulsion injuries such as scapholunate ligament and flexor digitorum profundus tendon avulsions.
- Emphasis on anatomical correlations and typical imaging presentations.
Conclusions:
- Radiologists can effectively recognize and characterize hand and wrist avulsions by understanding the relevant anatomy and expected imaging findings.
- Accurate interpretation of imaging is vital for guiding appropriate treatment strategies.
- This review provides a comprehensive guide to diagnosing avulsion injuries in the hand and wrist.
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