Hypophosphatasia with phenylketonuria

Hypophosphatasia and phenylketonuria have been encountered in a 9-month-old male infant as two independent inborn errors of metabolism. The pathognomonic triad of bony demineralization, subnormal alkaline phosphatase levels and increased excretion of phosphoethanolamine established the diagnosis of hypophosphatasia. The pattern of urinary metabolites and… (More)