Korean Journal of Sport Science

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J Korean Neurol Assoc. 1990;8(2):393-400.
A Case of Overlap Myasthenic Syndrome
Dae Seung Kim, M.D., Sang Ho Kim, M.D., Sang Ik Lee, M.D., Kyu Hyun Park, M.D. Sang Wook Kim, M.D. Dae Su Jung, M.D.*
Dep. Of Neurology, Pusan National University Dep. Of Neurology, Choon Hae Hospital*
중첩 근무력 증후군(Overlap Myasthenic syndrome) 1례
김대성, 김상호, 이상익 , 박규현, 김상욱, 정대수
부산대학교 신경과. 부산춘해병원 신경과.
Abstract
Myasthenia gravis (MG) differs from the Lambert-Eaton syndrome (LES) clinically, electrophysiologically, and therapeutically. However. There had been a few reports documenting the coexistence of MG and LES in the same patient, which is termed as ""overlap myasthenic syndrome"". We had studied a patient who had showed all the clinical characteristics of MG including positive response to pyridostigmin. Unlike the usual response in MG, there had been an abnormal incremental responses at post-exercise and high rate stimulation with abnormal decremental responses at low-rate stimulation in repetitive nerve stimulation test, which satisfies the diagnostic criteria of both MG as LES

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