Bennett lesions in baseball players detected by magnetic resonance imaging: assessment of association factors

Background The purpose of this study was to evaluate the characteristics of Bennett lesions in baseball players compared with those without a Bennett lesion and to identify other possible factors associated with Bennett lesions on magnetic resonance imaging (MRI). Methods We investigated 388 male ba...

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Bibliographic Details
Published in:Journal of shoulder and elbow surgery 2016-05, Vol.25 (5), p.730-738
Main Authors: Park, Jin-Young, MD, Noh, Young-Min, MD, Chung, Seok-Won, MD, Moon, Sung-Gyn, MD, Ha, Dae-Ho, MD, Lee, Ki-Sun, MD, Chung, Seok Won, MD
Format: Article
Language:English
Subjects:
Adolescent
Adult
baseball
Baseball - injuries
Bennett lesion
Case-Control Studies
Child
Exostoses - complications
Exostoses - diagnostic imaging
Exostoses - physiopathology
glenoid exostosis
Humans
Magnetic Resonance Imaging
Male
Orthopedics
pitcher
posterior shoulder pain
Retrospective Studies
Rotation
Scapula - diagnostic imaging
Shoulder Joint - diagnostic imaging
Shoulder Joint - injuries
Shoulder Joint - physiopathology
Shoulder Pain - etiology
throwing
Time Factors
Young Adult
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Summary:Background The purpose of this study was to evaluate the characteristics of Bennett lesions in baseball players compared with those without a Bennett lesion and to identify other possible factors associated with Bennett lesions on magnetic resonance imaging (MRI). Methods We investigated 388 male baseball players with a career >1 year. Demographic factors and a routine physical examination, including glenohumeral internal rotation difference, scapular dyskinesis, and various pathologic changes, were reviewed on MRI to identify relative factors for Bennett lesions. Results Of the 388 patients evaluated, 125 (32.2%) were diagnosed with Bennett lesions of the shoulder. No significant differences were observed between the groups in demographic factors, physical examination results, visual analog scale score, American Shoulder and Elbow Surgeons score, or prevalence of concomitant diseases. However, players with Bennett lesions had played baseball longer than those without the lesions ( P  
ISSN:1058-2746
1532-6500
DOI:10.1016/j.jse.2015.11.062