Fig. 1From: Acute hydrocephalus caused by a colloid cyst — a case reportColloid cyst (initial images). Unenhanced CT images show a well-defined hyperattenuating lesion on the anterior roof of the third ventricle at the foramina of Monro causing obstructive hydrocephalus. (A) axial, (B) coronal (C) sagittal reconstructionBack to article page