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Published in: European Radiology 7/2016

01-07-2016 | Musculoskeletal

T2 black lesions on routine knee MRI: differential considerations

Authors: Vibhor Wadhwa, Gina Cho, Daniel Moore, Parham Pezeshk, Katherine Coyner, Avneesh Chhabra

Published in: European Radiology | Issue 7/2016

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Abstract

The majority of abnormal findings or lesions on T2-weighted fast spin-echo (FSE) magnetic resonance imaging (MRI) are hyperintense due to increased perfusion or fluid content, such as infections, tumours or synovitis. Hypointense lesions on T2-weighted images (both fat-suppressed and non-fat-suppressed) are less common and can sometimes be overlooked. Such lesions have limited differential diagnostic possibilities, and include vacuum phenomenon, loose body, tenosynovial giant cell tumour, rheumatoid arthritis, haemochromatosis, gout, amyloid, chondrocalcinosis, hydroxyapetite deposition disease, lipoma arborescens, arthrofibrosis and iatrogenic lesions. These lesions often show characteristic appearances and predilections in the knee. In this article, the authors describe the MRI features of hypointense T2 lesions on routine knee MRI and outline a systematic diagnostic approach towards their evaluation.
Key Points
• Hypointense lesions on T2 images (T2 Dark Lesions) encompass limited diagnostic possibilities.
• T2 Dark lesions often show characteristic appearances and predilections in the knee.
• A systematic diagnostic approach will help radiologists make the correct diagnosis.
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Metadata
Title
T2 black lesions on routine knee MRI: differential considerations
Authors
Vibhor Wadhwa
Gina Cho
Daniel Moore
Parham Pezeshk
Katherine Coyner
Avneesh Chhabra
Publication date
01-07-2016
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 7/2016
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-015-4027-2

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