Fig. 2From: Characterization of two ETFDH mutations in a novel case of riboflavin-responsive multiple acyl-CoA dehydrogenase deficiencyClinical phenotype of RR-MADD patient. a Patient at age 12 shows marked neck and trapezius muscle weakness with dropping head; b Patient at age 54 raising from floor has better head control in Gowers manoeuvre; c Sudan Black B stain shows positivity in muscle biopsy at age 12; d with acid ATPase type I fibers appear vacuolated and (e) with Sudan black B stain vacuoles appear positive in a muscle biopsy performed at age 15Back to article page