MRI of Cartilage

Richard Kijowski, MD, Guest Editor
Evaluation of articular cartilage plays an integral role in the assessment of the musculoskeletal system. Osteoarthritis is a highly prevalent chronic disease affecting millions of Americans and is one of the most common causes of disability in the United States. Many individuals in our country and worldwide also suffer from the debilitating effects of inflammatory, crystalline-induced, and infectious arthritis. New medical and surgical treatment options are now available to treat these individuals. However, noninvasive methods are needed to identify patients who can be treated early and aggressively to prevent future morbidity and to monitor the response to medical and surgical interventions.

Due to its high spatial resolution, multiplanar capability, and excellent tissue contrast, MRI is the noninvasive modality of choice for evaluating articular cartilage in both the clinical and the research setting. Cartilage imaging in the past has focused primarily on large joints such as the knee and hip. However, with recent development of high field strength scanners, three-dimensional cartilage-sensitive sequences, and multichannel coils, images of joints with higher spatial resolution, thinner slices, and greater tissue contrast can be obtained in clinically feasible scan times. With this new technology, MRI is now being used to evaluate the articular cartilage of the shoulder, elbow, ankle, and small joints of the upper and lower extremity.

This edition of Magnetic Resonance Imaging Clinics of North America gives a broad overview of the role of MRI in the evaluation of articular cartilage. Articles in this issue describe the role of histological structure on the MRI appearance of normal articular cartilage and discuss currently used MRI techniques to evaluate both cartilage morphology and cartilage physiology. Factors related to rapid progression of osteoarthritis and the use of MRI in evaluating patients in osteoarthritis research studies and following cartilage repair procedures are also revewed. Articles discussing the role of MRI in the evaluation of patients with inflammatory, crystalline-induced, and infectious arthritis and patients with various articular disorders of the hip, knee and ankle, and upper extremity are included.

I express my utmost appreciation to the authors who have spent much time and effort writing these articles. I was fortunate to receive the participation of many excellent musculoskeletal radiologists who are international experts in the area of cartilage imaging. I have enjoyed reading these articles and have learned a great deal about cartilage imaging in my role as guest editor. I have no doubt that the readers will do so as well.

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Sep 18, 2017 | Posted by in MAGNETIC RESONANCE IMAGING | Comments Off on MRI of Cartilage
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