Fig. 3From: Genotype–phenotype correlations and disease mechanisms in PEX13-related Zellweger spectrum disordersMuscle biopsy from Individual A-II.3. COX (A) and SDH (B) histochemical stain showed an uneven distribution of mitochondria including patchy or reticular patterns and areas devoid of oxidative staining. At higher magnification histopathological observation mitochondria appears also larger and possibly swollen (3A-B)Back to article page