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T2 black lesions on routine knee MRI: differential considerations
Vibhor Wadhwa1, Gina Cho2, Daniel Moore2
1Department of Radiology, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
European Radiology
|October 1, 2015
Summary
Hypointense T2 lesions on knee MRI are uncommon but have specific causes. This review details their MRI features and offers a systematic approach for accurate diagnosis.
Area of Science:
- Radiology
- Orthopedic Imaging
- Magnetic Resonance Imaging
Background:
- Most T2-weighted MRI findings are hyperintense, indicating fluid or increased perfusion.
- Hypointense T2 lesions are less common and can be missed, despite having limited differential diagnoses.
Purpose of the Study:
- To describe the MRI characteristics of hypointense T2 lesions in the knee.
- To outline a systematic diagnostic approach for evaluating these specific MRI findings.
Main Methods:
- Review of MRI features of hypointense T2 lesions in the knee.
- Discussion of characteristic appearances and common locations.
- Presentation of a structured diagnostic pathway.
Main Results:
- Hypointense T2 lesions on knee MRI have a defined list of potential causes.
- These lesions often exhibit specific imaging patterns and predilections within the knee joint.
Conclusions:
- Recognizing hypointense T2 lesions is crucial for accurate knee MRI interpretation.
- A systematic approach aids radiologists in diagnosing these less common findings effectively.
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