Retinitis pigmentosa is a feature of all except:: (A) Refsum's disease, (B) Hallervorden-Spatz disease, (C) NARP, (D) Abetalipoproteinemia
Answer is B. Now Hallervorden Spatz doesn't have RP as a feature. Remember RP associations by mnemonic LUCHR. *Lawrence moon Beidel syndrome *Usher *Cockayne *Hallgren *Refsum Other associations: NARP, Abetalipoproteinemia