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Research Article

JCDR. 2022; 13(1): 910-919

To Evaluate the Magnetic Resonance Imaging (MRI) of Patients with Lateral Epicondylitis

Prem Chand P, T. Shriram,Lavanya Dharmalingam.


Background:Aim: The aim of the study is to evaluate the magnetic resonance imaging
(MRI) of Patients with Lateral Epicondylitis.Material and Methods:A randomized study
was conducted in the Department of.............The study group comprised 100 consecutive
patients (70 men and 30 women) with a clinical diagnosis of chronic lateral epicondylitis,
which were examined on 3.0 T MR. An MRI scoring system was used to grade the degree of
tendinopahty.Clinical symptoms were assessed using the Patient Rated Tennis Elbow
Evaluation (PRTEE). Results:100 elbows had MRI assessed tendinopathy, that includes
42(42%) with grade 1, 31 (31%) with grade 2, and 27(27%) with grade 3. The average intraobserver
agreement for grading the severity of tendinopathy was 80.17%. Weighted kappa
values for intra-observer reliability were 0.79, 0.74, and 0.89 (P < 0.001) for radiologists,
respectively. An overall weighted kappa value of 0.72 indicates good inter-observer
reliability. The median PRTEE score of all patients was 77 (range 8– 96), the median PRTEE
score of tendinopathy score 1 was 18,the median PRTEE score of tendinopathy score 2 was
22, and the median PRTEE score of tendinopathy score 3 was 60. The PRTEE scores were
gradually increased with the tendinopathy scores. Spearman’s test showed a significantly
positive correlation between tendinopathy scores and PRTEE scores (correlation coefficient r
¼ 0.95, P < 0.01). Conclusion:MRI is a reliable tool in determining radiological severity of
chronical lateral epicondylitis. The severity of MR signal changes positively correlate with
the patient’s clinical symptom.

Key words: Magnetic resonance imaging, lateral epicondylitis.

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