Nephropathic cystinosis in black children. Case reports.

Cystinosis is thought to be rare in Black patients. Two cases of nephropathic cystinosis in Blacks in early childhood are reported. One patient presented with classic features of Fanconi's syndrome with failure to thrive and rickets, while the other had polyuria, growth failure and rickets. This article highlights the need for the exclusion of cystinosis in any Black patient presenting with Fanconi's syndrome.