Prevalence and Demographic Characteristics of Supraspinatus Tendinosis in Adults Undergoing Shoulder MRI: A Cross-Sectional Study
DOI:
https://doi.org/10.36330/kmj.v22.i1.23146Keywords:
Supraspinatus tendonosis, Degeneration of the rotator cuff, Shoulder disordersAbstract
Background: Shoulder pain is frequently caused by supraspinatus tendinosis, which is an early stage of rotator cuff degeneration. Aim and Objective: to ascertain the frequency of supraspinatus tendinosis in adults having shoulder MRIs and assess correlations with shoulder dominance, age, and sex. Methods: 250 adult patients participated in a retrospective cross-sectional study. MRI was used to identify tendinosis. Analysis of dominance, sex, and age. Results: Of the 250 patients, 225 (90%) had tendinosis. Prevalence increased with age: 85% (<40 years), 88% (40–59 years), 96% (≥60 years) (p<0.001). Dominant shoulder affected in 60% vs. 40% non-dominant (p=0.02). After adjusting for age, there are no sex differences. Conclusion: Supraspinatus tendinosis is very common, particularly in the dominant shoulder and older adults. Preventive measures may be guided by early detection.
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Copyright (c) 2026 Wisam A. Hussein, Jinan Shamkhi Jabbar AlGhazali
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