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Myasthenia Gravis As a Presenting Feature in a Patient With Lung Cancer: A Case Report



Shaygannejad V1 ; Ghasemi M1 ; Rajaee Z1
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Authors Affiliations
  1. 1. Department of Neurology, School of Medicine, Isfahan Neuroscience Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Research in Medical Sciences Published:2011

Abstract

A male patient with muscle weakness had clinical findings of ptosis, diplopia, proximal leg weakness, and positive repetitive nerve stimulation (RNS) test. He demonstrated positive acetylcholine receptor antibody. This lung cancer patient was presenting myasthenia gravis. The causal association between non-small-cell lung cancer and nonthymomatous myasthenia gravis has not been clarified yet. To date, there has been no evidence supporting the speculation that association of myasthenia gravis with lung cancer might be one of the phenotypes of paraneoplastic syndrome.
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