A Disseminated Alveolar Rhabdomyosarcoma in a 9-Year-Old Boy Disclosed by Chromosomal Translocation (2;13) (q35;q14) |
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| Authors: | B n dicte Brichard Jacques Ninane Serge Gosseye Christine Verellen-Dumoulin Christiane Vermylen Jean Rodhain Guy Comu |
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| Affiliation: | a Department of Paediatric Haematology and Oncology, Cliniques Universitaires Saint Luc, Brussels, Belgiumb Department of Pathology, Cliniques Universitaires Saint Luc, Brussels, Belgiumc Department of Human Genetics, Cliniques Universitaires Saint Luc, Brussels, Belgiumd Department of Haematology, Cliniques Universitaires Saint Luc, Brussels, Belgium |
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| Abstract: | A 9-year-old boy presented with a small subcutaneous tumor of the trunk and diffuse bone marrow involvement. The first histological diagnosis given was undifferentiated malignancy possibly of neural crest origin and chemotherapy was started immediately using vincristine, cyclophosphamide, cisplatin, and teniposide (OPEC). Complete response was achieved after four courses of chemotherapy. Histological slides were then reviewed and the final diagnosis of alveolar rhabdomyosarcoma (RMS) was retained. Moreover, chromosome analysis of malignant cells in the bone marrow revealed a translocation involving chromosomes 2 and 13:t(2;13) (q35;q14). This specific karyotype finding has been recently reported in a few cases and could be specific for alveolar RMS. The patient had a relapse 7 months after diagnosis and died 4 months later. |
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| Keywords: | alveolar rhabdomyosarcoma tumor cytogenetics special chromosome translocation |
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