enlargement of the third brain ventricle, 3d

3d cerebrospinal colloid cyst dilated dilation enlarged enlargement ependymal hamartoma cerebellar head hypothalamic intraventricular malformations neurocytoma obstruct obstructive pineal tumor hydrocephalus central aqueductal stenosis isolated illustration brain black background anatomy lateral congenital disorders spinal ventricular pathology fluid ventricle cerebral size neurology neurological diseases third trapped body skeleton