[The level of DNA antibodies in patients with different forms of myasthenia].

A total of 95 patients with different forms of myasthenia were examined for the blood serum presence of DNA autoantibodies using an enzyme-immunoassay system. Patients with generalized form of myasthenia display an increased blood serum level of DNA autoantibodies, whereas in local form of myasthenia there comes to be a negative test for DNA autoantibodies. The latter are detected in all cases presenting with myasthenia concurrent with other autoimmune disorders and tumour of the thymus gland, their content correlating with severity of the course, getting decreased during the course of treatment (thymectomy, PPh).