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报告三例重症肌无力的病人,有暂时性上睑退缩,通常在长时间的向上注视后发生,而且持续许多秒钟。重症肌无力的上睑退缩很不常见,而且外观上恰与该病相反,以至在对病人进行神经肌肉疾病的鉴别诊断时。由于存在有上睑退缩,误使重症肌无力成为不予考虑的疾病之一。虽然发生在重症肌无力的这个不常见的体征以前曾有过报告,但其它作者并未曾对一瞬即过的眼脸退缩、暂时性眼睑退缩以及长期间的眼睑退缩加以区别。作者认为三者每一种都是各有不同的机理的。对重症肌无力时眼睑退缩的三种特殊类型可
Three patients with myasthenia gravis reported having a temporary upper lid retraction, usually after a long period of upward gaze, and lasted many seconds. Myasthenia gravis retraction is uncommon, and the appearance is just the opposite of the disease, and even in the differential diagnosis of neuromuscular disease in patients. Due to the existence of the upper eyelid retraction, mistaken myasthenia gravis become one of the diseases not to be considered. Although this uncommon sign of myasthenia gravis has been previously reported, other authors have not distinguished between instant facial fold withdrawal, temporary eyelid withdrawal, and long term eyelid withdrawal. The author thinks each of them has its own different mechanism. Three special types of eyelid retraction for myasthenia gravis are available