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. 2024 Jan 19;147(1):19. doi: 10.1007/s00401-023-02673-y

Fig. 3.

Fig. 3

Spectrum of ultrastructural features of abnormal mitochondria in DM2. a Subsarcolemmal accumulation of swollen mitochondria (× 20,000). b Subsarcolemmal accumulation of swollen mitochondria, including dysmorphic, ‘worm-shaped’ elongated mitochondria (arrow) (× 15,000). c Dysmorphic, ‘worm-shaped’ elongated mitochondria with type I paracrystalline inclusions (arrow) (× 30,000). d Pathological mitochondria with type I paracrystalline inclusions (× 50,000). e Pathological, elongated mitochondria with type II paracrystalline inclusions (arrow) (× 20,000). f Pathological mitochondria, including one with circular cristae (arrow) and several paracrystalline inclusions type I and II (× 50,000)