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Early Detection of Osteochondritis Dissecans of the Capitellum in Young Baseball Players. Report of Three Cases*
MASATOSHI TAKAHARA, M.D.†; MOTOYUKI SHUNDO, M.D.‡; MAKOTO KONDO, M.D.‡; KATSUNORI SUZUKI, M.D.‡; TOSHIKAZU NAMBU, M.D.‡; TOSHIHIKO OGINO, M.D.†, SAPPORO, JAPAN
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Investigation performed at the Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo City
J Bone Joint Surg Am, 1998 Jun 01;80(6):892-7
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Extract

The prevalence of osteochondritis dissecans is high among individuals who have played baseball actively since childhood1,19, and repetitive throwing is considered to be one of the main etiological factors of this disease1,4,5,10,25. During the acceleration phase of throwing, the elbow joint may be stressed into a valgus position17,38,47,49 and the capitellum may be subjected to compression and shear forces4,20,21,44,48,50. However, little is known about the primary changes leading to osteochondritis dissecans. We attempted to detect these changes by examining the elbows of players on youth baseball teams with magnetic resonance imaging and ultrasonography. Forty-four young baseball players who were ten to twelve years old and had not had a previous examination of the elbow were selected for this study.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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