Key result
Magnetic resonance imaging of an adolescent with leg swelling revealed a rare extra-skeletal Ewing's sarcoma with multiple bone metastases.
Why the study?
Extra-skeletal Ewing sarcoma is a rare entity, particularly in the pediatric population, prompting this case presentation and literature review.
Case Report (n=1)
This case report highlights a rare presentation of extra-skeletal Ewing's sarcoma with multiple metastases in a pediatric patient.
Alerts to rare extraosseous Ewing sarcoma with metastases in adolescent leg swelling; extends sparse pediatric cases but leaves open management questions.
Being the second most common malignant bone tumor in children and young adults, Ewing's sarcoma can also occur as a primary soft-tissue tumor called extraosseous or extra-skeletal Ewing's sarcoma. It is a rare entity, especially in the pediatric population. We report the case of an adolescent who presented to our department for lower extremity magnetic resonance imaging to explore leg swelling. It revealed an extra-skeletal Ewing's sarcoma with multiple bone metastases. By reporting this case, we also review the literature on this rare abnormality.
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Harras et al. (2023) conducted a case report in Extra-skeletal Ewing's sarcoma (n=1). Magnetic resonance imaging was evaluated on Diagnosis of extra-skeletal Ewing's sarcoma. Magnetic resonance imaging of an adolescent with leg swelling revealed a rare extra-skeletal Ewing's sarcoma with multiple bone metastases.
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