Figure 2From: Neonatal presentation of ventricular tachycardia and a Reye-like syndrome episode associated with disturbed mitochondrial energy metabolism Electron microscopy of skeletal muscle. Abnormal concentric arrangements of cristae (arrow), with rare dense bodies can be seen. Notice excess glycogen and fat deposition which are features evocative of a mitochondrial myopathy. Focal Z-disc streaming can be seen.Back to article page