The Subtlety of 22q11.2 Deletion Syndrome in a Preterm Neonate

Author:

Cline Laura,Aranda Paola,Jnah Amy

Abstract

To date, 22q11.2 deletion syndrome (DS) is regarded as the most commonly diagnosed DS in humans. The location of the deletion on chromosome 22 affects the phenotypic presentation, which ranges from subtle to severe. Common manifestations include congenital heart defects, calcium deficiency, clefts and other midline defects, immunodeficiencies, and neurocognitive delay. This wide range of clinical manifestations can complicate diagnostic reasoning as many align with other disease processes commonly observed in preterm neonates. This article presents the case of a preterm neonate born at 25-weeks’ gestation with 22q11.2 DS. The clinical presentation of this neonate included a right aortic arch, ventricular septal defect, hypocalcemia, borderline severe combined immunodeficiency, and abnormal thyroid function. The infant’s hospital course is followed to highlight the challenges clinicians face when suspicious of a genetic disorder in a preterm neonate.

Publisher

Springer Publishing Company

Subject

Critical Care and Intensive Care Medicine,Critical Care Nursing,General Medicine,Pediatrics, Perinatology and Child Health

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