This is a report on 2 cases of Periarteriitis nodosa with psychoneurological symptoms. One of them developed epileptic paroxysm, and the other amentia-like mental disturbance.
This disease can be induced by psychial factors, and the development of psychoneurological symptoms is not confined to the later stage of the disease.
This disease is frequently encountered in psychoneurological field, and the diagnosis can be made without so much difficulty by synthetic consideration of various somatic symptoms.
The prognosis is not so bad as generally believed.