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A practical guide to diagnostic imaging of the upper extremity
1Imaging Center, St. Anthony Medical Center, Louisville, Kentucky.
Hand Clinics
|May 1, 1993
Summary
Advanced imaging like MRI and CT enhance diagnosis of upper extremity soft-tissue injuries. Plain films are crucial for bone imaging, while radionuclide scans help locate occult lesions, improving patient evaluation.
Area of Science:
- Radiology
- Orthopedics
- Medical Imaging
Background:
- Imaging of the upper extremities presents unique diagnostic challenges.
- Soft-tissue abnormalities in the wrist, such as triangular fibrocartilage tears and instability, require precise visualization.
Purpose of the Study:
- To review the current role of various imaging modalities in evaluating upper extremity conditions.
- To highlight the advancements in imaging techniques and their impact on diagnosis.
Main Methods:
- Discussion of Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) for soft-tissue assessment.
- Emphasis on the continued importance of plain film radiography for bone imaging.
- Inclusion of radionuclide scans for detecting occult lesions.
Main Results:
- MRI and CT have significantly improved the detection of wrist soft-tissue injuries and instability.
- MRI has largely superseded arthrography for rotator cuff tear diagnosis in the shoulder.
- Plain films remain the primary tool for initial bone evaluation.
Conclusions:
- Effective upper extremity evaluation relies on a combination of advanced and conventional imaging techniques.
- Radiologist-surgeon communication and incorporating patient history/physical examination are vital for optimal diagnostic outcomes.