Colloid cyst
Presentation
Chronic headache.
Patient Data
Age: 30 years
Gender: Female
From the case:
Colloid cyst
CT
Axial non-contrast
A small nodular hyperdense lesion of about 6 x 5 mm noted at anterior third ventricle at the level of foramen of munro.
Case Discussion
Colloid cyst is a benign epithelial lined cyst. Most common location is inferior aspect of septum pellucidum protruding into anterior portion of third ventricle.
Differential diagnosis are meningioma, subependymal giant cell astrocytoma.