GATA2 Deficiency Due to de Novo Complete Monoallelic Deletion in an Adolescent With Myelodysplasia

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Abstract

GATA2 deficiency is an inherited bone marrow failure syndrome that can manifest with myelodysplasia (myelodysplastic syndrome) with chromosomal aberrations and high risk of evolution to leukemia (particularly, acute myeloid leukemia); immunodeficiency with opportunistic infections; and/or lymphedema. It can be transmitted in families in autosomal-dominant fashion, or present de novo as sporadic disease in adults or children. The authors report a case of an adolescent male with features of GATA2 deficiency resulting from a complete monoallelic deletion, review chromosomal anomalies associated with this disorder, and discuss the management implications.

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