Abstract

Congenital erythropoietic porphyria is a rare disorder of heme biosynthesis, resulting from decreased enzymatic activity of uroporphyrinogen III synthase. Clinical manifestations are heterogenous, of variable severity, and with occasional phenotypic-genotypic correlation. A 14-month-old boy developed fever, extensive dermatitis, and reddish colored urine. Anemia, erythrodontia, hepatosplenomegaly, and massive urinary elimination of predominantly type I porphyrins was suggestive of congenital erythropoietic porphyria. Although hemolysis remained mild and compensated, facial and digital mutilation developed indicative of moderate clinical phenotype. Mutational analysis revealed compound heterozygosity of mutant alleles, including a novel mutation (p.Pro190Leu). The child received supportive management and underwent facial reconstruction successfully.

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