Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society · 2000
Myasthenia gravis with a paraneoplastic marker.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Leavitt J A
Аннотация
Ocular manifestations of myasthenia gravis are very common. Myasthenia gravis may be associated with lung carcinoma. Lambert-Eaton syndrome is also commonly associated with lung carcinoma and can have ocular manifestations. Overlap of these two entities has been described. The case of a patient with fatigable diplopia and ptosis 3 years after removal of a large-cell lung carcinoma is presented. Tests results for acetylcholine receptor binding and modulating antibodies were positive for myasthenia gravis. Test results for presynaptic voltage-gated calcium channel antibodies of the N-type were also positive. However, test results for the P/Q-type voltage-gated calcium channel antibodies, which are consistent with Lambert-Eaton syndrome, were negative. Autoantibodies can be used to serologically distinguish paraneoplastic myasthenia gravis from Lambert-Eaton syndrome.