title: Colloid cyst of the third ventricle presenting as a ring-enhancing lesion on computed tomography.
mesh_terms: D000368:Aged; D001927:Brain Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D002551:Cerebral Ventricle Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D003560:Cysts / Q000000981:diagnostic imaging* / Q000601:surgery; D005260:Female; D006801:Humans; D007089:Image Enhancement; D014057:Tomography, X-Ray Computed