Abstract

Abstract:

Griscelli syndrome (GS) is a rare autosomal recessive disorder caused by mutation in the MYO5A (GS1, Elejalde), RAB27A (GS2) or MLPH (GS3) genes. All three subtypes of this disease present by pigmentary dilution of the hair and skin with silvery-grey hair. Whereas this is the only feature in GS3 phenotype, GS1 patients also have primary neurological impairment and GS2 patients show severe immunological deficiencies leading to recurrent infections and hemophagocytic syndrome. We report here the case of GS2 in a10-year-old boy, with immunodeficiency and recurrent infections with hemophagositic lymphohistocytosis but without pigmentary changes.

Keywords: Key words: albinism; RAB27A; Hemophagocytic lymphohistiocytosis; Immunodeficiency

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