Reversible man-in-the-barrel syndrome in myasthenia gravis

被引:5
作者
Shah, Poornima A. [1 ]
Wadia, Pettarusp Murzban [2 ]
机构
[1] Jaslok Hosp & Res Ctr, Dept Clin Neurophysiol, 2nd Floor,15 Dr G Deshmukh Marg, Bombay 400026, Maharashtra, India
[2] Jaslok Hosp & Res Ctr, Dept Neurol, Bombay, Maharashtra, India
关键词
Electromyography (EMG); man-in-the-barrel syndrome (MBS); myasthenia gravis; reversible;
D O I
10.4103/0972-2327.168639
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Man-in-the-barrel syndrome (MBS) is an uncommon presentation due to bilateral, predominantly proximal muscle weakness that has not been described to be associated with myasthenia gravis. We describe a case of myasthenia gravis presenting as MBS. Additionally, he had significant wasting of the deltoids bilaterally with fibrillations on electromyography (EMG) at rest and brief duration (3-6 ms) bi/triphasic motor unit potentials (MUPs) on submaximal effort apart from a decremental response on repetitive nerve stimulation (RNS) at 2 Hz. While electrophysiology is an important tool in the diagnosis of myasthenia gravis, pathological EMG patterns do not exclude the diagnosis of myasthenia gravis.
引用
收藏
页码:99 / 101
页数:3
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