[Nervous system lesions in juvenile angiofibromas of the base of the skull with intracranial spread].

The authors examined the nervous system in 12 patients with intracranial dissemination of an adolescent angiofibroma of the brain basis. It was possible to depict signs of a lesion of some cranial nerves and the brain stem as well as x-ray confirmation of a bone destruction in the brain basis. The found changes were connected with the direct influence of the angiofibroma on the above mentioned structures.