[A Surgical Case of Hemifacial Spasm Due to Tentorial Meningioma -peritorcular type- in Posterior Fossa].

Hemifacial spasm is commonly caused by compression of the facial nerve due to overlying vessels, and also due to various types of tumor or aneurysm, and other factors. It occurs, although rarely, as a secondary effect of cerebellar or brainstem shift resulting from a tumor. In such a case, the presence of a large tumor often leads to additional neurological deficits.

[A Case Of An Elderly Patient With Blake's Pouch Cyst].

Blake's pouch cyst is a congenital disease in which the ventricle enlargement is a non-communicating hydrocephalus. Some elderly patients have a process of the idiopathic normal pressure hydrocephalus (communicating hydrocephalus). We report an elderly patient with Blake's pouch cyst.