MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle.

MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Research Abstract Details 

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MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Abstract Text:

M Coel,C Y Yamada,J Ko,

OBJECTIVE. The purpose of this study was to determine what changes might be detected on MR images of patients with chronic lateral epicondylitis (tennis elbow) that could explain why some cases are resistant to therapy. SUBJECTS AND METHODS. Seven consecutive patients with chronic lateral epicondylitis were included. The diagnosis was based on symptoms and signs characteristic of the disease, as determined by each patient's orthopedic surgeon. Three volunteers with normal elbows were control subjects. All patients had MR imaging of the involved elbow, and control subjects had MR imaging of the nondominant elbow. Short tau inversion-recovery (STIR) MR imaging was chosen because of its sensitivity to changes in the water content of muscle and its suppression of the fat signal. The images were analyzed visually and on an MR workstation to measure the signal intensity of the elbow muscles. RESULTS. In all seven patients, MR images showed increased signal intensity of the anconeus muscle. This increase in signal intensity was not observed in the control subjects, and to our knowledge it has not been reported previously. CONCLUSION. Increased signal intensity of the anconeus muscle on MR images in patients with chronic lateral epicondylitis suggests involvement of the muscle. Increased signal intensity is seen with edema, granulation tissue, and inflammation, which may explain the findings in this study. Our results are inconclusive as to whether this increased signal intensity contributes to the chronicity of patient symptomatology or is associated with abnormal elbow motion because of the symptoms.

MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Publishing Authors By Initials

M Coel,CY Yamada,J Ko,

For similar musculoskeletal diseases: tennis elbow research abstracts see: musculoskeletal diseases: tennis elbow research

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MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 161

Page Numbers: 1019-21

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ISSN: 0361-803X

DAY: 15

MONTH: Nov

YEAR: 1993

MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle. Keywords Mesh Terms:

KEYWORDS: Tennis Elbow

MESH TERMS: therapy

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Grant and Affiliation Information for MR imaging of patients with lateral epicondylitis of the elbow (tennis elbow): importance of increased signal of the anconeus muscle.

AFFILIATION: Department of Radiology, John A. Burns School of Medicine, University of Hawaii, Honolulu 96822.

Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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