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Ankle MR arthrography: how, why, when.

Luis Cerezal¹, Faustino Abascal, Roberto García-Valtuille

¹Department of Radiology, Instituto Radiológico Cántabro, Clínica Mompía, Mompía, 39109 Cantabria, Spain. lcerezal@mundivia.es

Radiologic Clinics of North America

|May 17, 2005

Summary

Magnetic resonance (MR) arthrography enhances ankle disorder diagnosis when standard MR imaging is insufficient. This technique aids in evaluating ligament injuries, cartilage damage, and other intra-articular pathologies for better treatment planning.

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Area of Science:

Radiology and Imaging Science
Orthopedic Imaging

Background:

Conventional magnetic resonance (MR) imaging may not always provide sufficient detail for diagnosing complex ankle disorders.
Intra-articular pathologies in the ankle often require advanced imaging techniques for accurate assessment and therapeutic planning.

Purpose of the Study:

To highlight the utility of MR arthrography in evaluating various ankle pathologies.
To compare the benefits of indirect MR arthrography versus direct MR arthrography in specific clinical scenarios.

Main Methods:

Review of MR arthrography applications in diagnosing ankle disorders.
Discussion of indications for direct and indirect MR arthrography.
Comparison of MR arthrography with conventional MR imaging for intra-articular ankle pathology.

Main Results:

MR arthrography significantly improves the evaluation of ligamentous injuries, cartilage lesions, and osteochondral defects of the talus.
The technique is valuable for diagnosing impingement syndromes, loose bodies, and synovial joint disorders.
Indirect MR arthrography serves as a viable alternative when invasive procedures are contraindicated or fluoroscopy is unavailable.

Conclusions:

MR arthrography is an essential tool for comprehensive ankle disorder assessment, particularly for intra-articular pathology.
It facilitates accurate diagnosis and effective therapy planning for a wide range of ankle conditions.
Indirect MR arthrography offers a valuable, less invasive option for specific patient populations.