Congenital dyserythropoietic anemia type I presenting as persistent pulmonary hypertension with pigeon chest deformity


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Abstract

Congenital dyserythropoietic anemia (CDA) type-1 is a rare genetic disorder of ineffective erythropoiesis, which manifests in macrocytic anemia. We report a CDA1 patient who as a newborn presented with macrocytic anemia and persistent pulmonary hypertension of the newborn (PPHN) requiring mechanical ventilation. Post-infancy, the patient developed acral dysmorphism and pectus excavatum the latter rarely found in CDA1. Patient is a compound heterozygote for a known maternal-derived missense-mutation (c.1796A > G/p.Asn589Ser) and a novel paternal-derived deletion-mutation (c.1104_1106del/Phe365del) in CDAN1. This report highlights the importance of recognizing PPHN as a presenting symptom of CDA1 and expands the repertoire of the accompanying mutations and axial skeletal malformations. Pediatr Blood Cancer 2014; 61:1460–1462. © 2014 Wiley Periodicals, Inc.

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