Click on image to view full size image. T1 sagittal images demonstrate a lobulated intraventricular mass located in the anterior body of the left lateral ventricle. The mass abuts the septum, is isotense to slightly hyperintense on the T2 weighted image and demonstrates mild contrast enhancement. There are a few areas a decreased signal noted on the T1 weighted images which most likely represent either calcification or necrosis.
Cytoplasm is eosinophillic and fibrillary.
Radiologic Features and Review of the Literature.