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[Neuropathologic analysis of 8 undiagnosed cases of cerebral cysticercosis].

The presented material comprised 17 cases observed in four Warsaw hospitals in a period of 20 years. Nine patients with the pseudotumour syndrome were diagnosed correctly and referred to neurosurgical services. The remaining eight cases died in neurological hospital departments with the following clinical diagnoses: cerebral stroke 3, subarachnoid haemorrhage 1, comatose state preceded by dementia 1, chronic meningoencephalitis 1, status epilepticus 2 cases postmortem investigations demonstrated cerebral cysticercosis in all cases. In four patients with predominant symptoms of cerebrovascular disease lesions were found of the type of residual vasculitis cysticercosa, the sequelae of which might have caused secondary complications independent of concomitant arteriosclerosis. Dementia appeared in a patient with huge hydrocephalus consequent to numerous cysticerci. The patient with the diagnosis of meningoencephalitis had an inflammatory reaction of the ependyma and meninges caused by a cysticercus floating in the IV ventricle. Of the patients dying in status epilepticus attention is called to a 6-year-old girl with a solitary cysticercus localised subcortically in the motor area. The authors suggest that the possibility of cysticercosis should be kept in mind, despite its rarity, in cases with a not completely clear clinical manifestations of cerebrovascular disease, chronic meningoencephalitis and epilepsy or dementia.