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Updated: Sep 2, 2025
Pseudofracture: An Acute Peripheral Tissue Trauma Model
Published on: April 18, 2011
Hegemann's Disease Detected with a Traumatic Olecranon Fracture: A Case Report
Takaki Morito1, Yoshikazu Kida, Kenta Takatsuji
1Department of Orthopedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Case:
We describe a case of Hegemann's disease in a 10-year-old boy practicing karate. The disease was discovered by chance when evaluating a traumatic olecranon fracture. Radiography showed not only olecranon fracture but also a shortening of the epiphysis of the humeral trochlea and a segmental lesion with sclerosis. The trochlea lesion was considered asymptomatic Hegemann's disease. After the olecranon healed conservatively, the patient resumed karate activities and underwent follow-up radiography. The trochlea lesion gradually normalized after 2 years without symptoms.
Conclusions:
Regardless of the initial alarming radiographic findings, the lesion gradually healed, and the patient was able to return to sports activities.
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