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Concomitant Ewing sarcoma and acute lymphoblastic leukemia in a 5-year-old girl
Katja Masjosthusmann1, Stefan S Bielack, Gabriele Köhler
1Department of Pediatric Hematology and Oncology, University Children's Hospital Muenster, Muenster, Germany.
Abstract:
Malignancies from the Ewing family of tumors and acute lymphoblastic leukemia (ALL) are not known to be associated with each other. A 5-year-old girl was incidentally found to suffer from acute lymphoblastic leukemia during bone marrow staging for Ewing sarcoma of the radius. The simultaneous presence of two distinct neoplasms was confirmed by RT-PCR, with EWS/FLI1 type 1 rearrangement in the bone tumor and TEL/AML1 rearrangement in the marrow. She was treated with chemotherapy, radiotherapy, and surgery and was in remission of both diseases 31 months after diagnosis.
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