Retinitis Pigmentosa is associated with all except –

Systemic syndrome associated with Retinitis Pigmentosa are Usher's syndrome, Hallgren's syndrome, Cockayne's syndrome, Refsum's syndrome, Laurence- Moon- Biedl syndrome, Bussen - Kornzweig (Abetalipoproteinemia) syndrome, Kearns - sayer syndrome, Friedreish's ataxia, Bardet - Biedle syndrome, NARP (Neuropathy, ataxia, retinitis pigmentosa), developmental delay, mental retardation, lactic acidemia), Neuronal ceroid lipofitscinosis, olivopontocerebellar degeneration.