Fig. 1From: Predictors of shunt-dependent hydrocephalus following aneurysmal subarachnoid hemorrhage: a pilot study in a single Egyptian instituteAxial CT scan showing how to determine bicaudate index (white arrow, both black double arrows). White arrow indicates the width of the frontal horns at the level of the caudate nuclei; black double arrows indicate the diameter of the brain at the same levelBack to article page