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KMID : 0374920130340010265
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Inje Medical Journal
2013 Volume.34 No. 1 p.265 ~ p.268
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Myasthenia Gravis Associated with Non-small-cell Lung Cancer
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Noh Sang-Woo
Kim Eung-Gyu
Bae Jong-Seog
Chung Eun-Joo
Ji Ki-Hwan
Seo Jung-Hwa
Kim Sang-Jin
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Abstract
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We report the case of a 57-year-old woman who has myasthenia gravis and non-small-cell lung cancer. She was diagnosed with non-small cell lung cancer and underwent right upper lobectomy. The patient's condition was stable during 2 months. Then, she complained ptosis and diplopia without diurnal fluctuation. These symptoms were improved on intramuscular injection of neostigmine 0.5 mg. Antibody against muscle acetylcholine receptor was positive (6.849 nmol/L). In conclusion, when patient has symptoms such as ptosis and diplopia suggesting myasthenia gravis, previous lung cancer history or a primary thoracic carcinoma should be confirmed.
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KEYWORD
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Non-small cell lung carcinoma, Myasthenia gravis
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