Japanese

Osteoid Osteoma of Distal Humerus Requiring Long Time for Diagnosis. Case Report Yosuke Horiuchi 1 , Hiroyasu Ikegami 1 , Noriaki Nakamichi 1 , Toshiyasu Nakamura 1 , Kazuki Sato 1 , Yoshiaki Toyama 1 1Department of Orthopaedic Surgery,School of Medicine,Keio University Keyword: 類骨骨種(osteoid osteoma) , 肘関節(elbow joint) pp.1133-1137
Published Date 2009/11/25
DOI https://doi.org/10.11477/mf.1408101625
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 We report the case of a 16-year-old male with osteoid osteoma of the distal humerus. At 14 years of age he presented at a nearby hospital with pain in his right elbow and was diagnosed with tennis elbow. Non-steroidal anti-inflammatory drugs were prescribed,but his elbow pain persisted. He consulted 4 other hospitals,and magnetic resonance imaging was performed,but no definitive diagnosis was reached. At 16 years of age he came to our hospital,A radiography revealed a radiolucent area in the trochlea of the humerus and a CT scan showed a nidus lesion in the same area. Based on these findings we made a diagnosis of osteoid osteoma of the distal humerus,and surgically removed the tumor. The final pathology report comfirmed the diagnosis. At the 18-month follow-up examination,the patient was pain-free and had a full range of motion in his elbow. Our experience with this case suggested that osteoid osteoma must be included in the differential diagnosis even when interpreting MRI findings in a patient with longstanding articular pain.


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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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