All the following are mitochondrial disorders EXCEPT :: (A) MELAS, (B) Kearns Sayre syndrome, (C) NARP syndrome, (D) Incontinentia pigmenti
Answer is D. Mitochondrial DNA disorders MELAS- Mitochondrial Encephalopathy, Lactic Acidosis and Stroke-like episodes Leigh syndrome Leber hereditary optic neuropathy Kearns Sayre syndrome NARP syndrome - Neuropathy, Ataxia & Retinitis Pigmentosa MERRF - Myoclonic epilepsy with ragged-red fibers Whereas Incontinentia pigmenti (Bloch-Sulzberger syndrome) X-linked genetic disease Skin, hair, teeth & CNS manifestations