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Abstract We studied prospectively 105 unselected patients complaining of ptosis and/or diplopia due to extrinsic ophthalmic muscle palsies without other neurological signs. All patients underwent the same diagnostic protocol. The presenting symptoms were: ptosis, 35 patients (33%); diplopia, 27 patients (26%); ptosis and diplopia, 43 patients (41%). The oculomotor nerve was most frequently involved,...
We studied 38 patients affected by seronegative myasthenia gravis (SNMG) with age at the onset of the disease ranging from 6 to 66 yr. Clinical follow-up lasted at least 2 yr. Patients' lymphocyte cultures showed in no case anti-acetylcholine receptor antibody production; HLA associations did not differ significantly from those in seropositive MG.In most cases (33 out of 38) the disease differed...
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