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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: Unusual cause of muscle weakness, type II respiratory failure and pulmonary hypertension: a case report of ryanodine receptor type 1(RYR1)-related myopathy

Fig. 3

The pathological features of patient with RYR1 gene mutation. A and B. H&E and MGT staining × 10: the central core of muscle fiber light stained with surrounded by purple circle; C and D PAS and ORO staining × 10: no accumulation of glycogen and lipid in muscle fibers; E and F. NADH-TR and COX staining × 10: the deficiency or light staining of NADH-TR and cytochrome C oxidase in centrally located of muscle fibers

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BMC Pulmonary Medicine

ISSN: 1471-2466

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