Ethmoidal meningioma revealed by transient global amnesia.

A patient in whom transient global amnesia (TGA) led to the diagnosis of an ethmoidal meningioma is described. One year after neurosurgery, the patient showed an impairment of long-term memory, without any clinical or neuroradiological sign of relapse. We suggest that TGA may express a preexisting subclinical impairment of memory neuronal systems.

On the neurological complications of internal and external shunt in patients with non-neoplastic stenosis of the aqueduct.

In our Department 35 patients have been operated for non-neoplastic stenosis of the aqueduct. In the first years, ventriculocisternal shunt according to Torkildsen was performed, obtaining 6 recoveries and 1 death. Later, ventriculosternostomy acc.