Mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes<unk>  is one of the family of mitochondrial diseases, which also include MERRF syndrome, and Leber's hereditary optic neuropathy. It was first characterized under this name in 1984. A feature of these diseases is that they are caused by defects in the mitochondrial genome which is inherited purely from the female parent.
MELAS syndrome
Bannayan–Riley–Ruvalcaba syndrome
Pashayan syndrome
Fitzsimmons–Guilbert syndrome
Teunissen–Cremers syndrome
Fryns-Aftimos syndrome
Abruzzo–Erickson syndrome
Berk–Tabatznik syndrome