Eye Muscle MRI in Myasthenia Gravis and Other Neuromuscular Disorders.

Kevin R Keene,Irene C Notting,Jan J G M Verschuuren,N Voermans,Ronald O B de Keizer,Jan-Willem M Beenakker,Martijn R Tannemaat,Hermien E Kan

Journal of neuromuscular diseases（2023）

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摘要

We observed small increases in EOM volume and FF in chronic MG compared to healthy controls. Surprisingly, we found no atrophy in MG, even in patients with long-term ophthalmoplegia. This implies that even long-term ophthalmoplegia in MG does not lead to secondary structural myopathic changes precluding functional recovery.

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关键词

Myasthenia gravis, quantitative MRI, eye muscles, extra-ocular muscles, chronic progressive external ophthalmoplegia (CPEO), diplopia, ptosis, oculopharyngeal muscular dystrophy (OPMD) and Graves' orbitopathy

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