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Review
. 2023 Mar;191(3):878-881.
doi: 10.1002/ajmg.a.63087. Epub 2022 Dec 21.

Acute myeloid leukemia associated with CHARGE syndrome

Marie Shuto  1 , Naoki Hirano  1 , Saori Oguri  1   2 , Tomoyo Itonaga  1 , Masanori Inoue  1 , Souichi Suenobu  1   2 , Kenji Ihara  1
Affiliations
Review

Acute myeloid leukemia associated with CHARGE syndrome

Marie Shuto et al. Am J Med Genet A. 2023 Mar.

Abstract

CHARGE syndrome is a malformation disorder with diverse phenotypes that shows autosomal dominance with heterozygous variants in the chromodomain helicase DNA-binding 7 (CHD7) gene. Only a few cases of CHARGE syndrome accompanied by neoplasm during childhood have been reported. We report the case of a girl with CHARGE syndrome who developed acute myelogenous leukemia at 12 years old. She had mild intellectual disability, and hearing loss with inner ear malformation, myopia, astigmatism, laryngotracheal malacia, hypogonadism, and clival hypoplasia, with a history of patent ductus arteriosus. The patient was genetically diagnosed with CHARGE syndrome based on the detection of a novel heterozygous frameshift pathogenic variant in the CHD7 gene. We review the reported pediatric cases of CHARGE syndrome with malignancy and suggest a possible molecular mechanism of carcinogenesis involving pathogenic variants of the CHD7 gene.

Keywords: AML; CHARGE syndrome; CHD7 variant; clival hypoplasia; malignant neoplasm.

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References

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