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Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Elbow MR arthrography with traction.

Ryan K L Lee¹, James F Griffith¹, Brian T Y Yuen¹

¹Department of Imaging and Interventional Radiology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong.

The British Journal of Radiology

|June 22, 2016

Summary

This summary is machine-generated.

Axial traction during elbow MR arthrography (MRA) safely enhances joint space widening and contrast dispersion. This technique improves visualization of cartilage surfaces and defects, aiding in diagnosis.

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Area of Science:

Orthopedic Imaging
Radiology
Joint Biomechanics

Background:

Elbow MR arthrography (MRA) is crucial for diagnosing intra-articular pathology.
Optimizing visualization of cartilage and joint spaces in the elbow remains a challenge.

Purpose of the Study:

To evaluate the impact of axial traction during elbow MRA.
To assess changes in joint space width, contrast dispersion, and cartilage visibility.

Main Methods:

Prospective study of 11 patients undergoing elbow MRA with and without axial traction.
Independent radiologist assessment of joint space width, contrast dispersion, and cartilage visibility.
Comparison of cartilage defect detection and visibility before and after traction.

Main Results:

Axial traction significantly increased radiocapitellar joint space width (p=0.005) and improved cartilage visibility (p<0.05).
Improved contrast dispersion and cartilage visibility were noted in the radiocapitellar joint post-traction.
Traction enhanced the visibility of articular cartilage defects without patient discomfort.

Conclusions:

Axial traction is a safe and feasible adjunct to elbow MRA.
Traction MRA improves visualization of elbow joint cartilage and defects.
This technique offers enhanced diagnostic potential for elbow joint pathology.