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Transient leukemia in a newborn without Down syndrome: case report and review of the literature. 2014
Laurence Rozen, and
Sophie Huybrechts, and
Laurence Dedeken, and
Catherine Heijmans, and
Barbara Dessars, and
Pierre Heimann, and
Frédéric Lambert, and
Denis F Noubouossie, and
Alina Ferster, and
Anne Demulder
Laboratory of Hematology and Haemostasis, CHU-Brugmann, Université Libre de Bruxelles (ULB), Place Van Gehuchten 4, 1020, Brussels, Belgium, laurence.rozen@chu-brugmann.be.
Transient neonatal leukemia occurs almost exclusively in Down syndrome babies. We report here the unusual case of a newborn without Down syndrome who presented neonatal transient leukemia and who achieved spontaneously complete remission. Trisomy 21 and GATA1 mutation were both present in leukemic cells. While close follow-up is advised since true leukemia may develop later, the patient is still in remission for 2.5 years. We performed a literature review of 15 other similar cases. CONCLUSIONS Our case of transient leukemia without Down syndrome and the literature review highlight the important role of trisomy 21 and GATA1 mutation in the development of transient neonatal leukemia.
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