Fig. 4From: Chorea-ballism as a dominant clinical manifestation in heteroplasmic mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes syndrome with A3251G mutation in mitochondrial genome: a case reportMicroscopic examination of frozen section biopsy in modified Gömöri trichrome stain reveals ragged red fibers that constitute 40% of all the muscle fibers examinedBack to article page