Legend Axial T2 and FLAIR weighted images demonstrate a large cystic mass within the septum pellucidum. There is mild dilatation of the lateral ventricles as well as increased signal in the periventricular white matter at the frontal and occipital horns.

Legend Axial FLAIR (left) shows high signal in the periventricular white matter consistent with interstitial edema (trans-ependymal flow of CSF). Coronal T1 (middle) and post gadolinium axial T1 (right) weighted MRI show a large midline structure that obstructs the foramen of Monro.

Legend Noncontrast CT demonstrates the midline cyst. Nodular calcifications are identified in both deep and superficial structures. Key words: mri infection inflammation

Brain Diagnosis: Cysticercosis