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Ewing Sarcoma of the 9th Rib Subsequent to Pediatric Leukemia: A Case Series
Julia Vandenheuvel1, Leighton Elliott2, Daniel Zinn3
1Departments of Pediatrics.
Abstract:
Ewing sarcoma is an aggressive malignancy of bone and soft tissue that accounts for ∼2% of cases of childhood cancer. It has been rarely reported as a secondary neoplasm. Data from the Childhood Cancer Survivor Study has evaluated secondary sarcomas in 5-year survivors of childhood cancer. We report 2 pediatric patients in northeast Pennsylvania, who developed secondary Ewing sarcoma of the 9th rib within 5 years of primary childhood leukemia diagnoses.
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