[Case report: Cerebral superficial siderosis: MRI findings]

Superficial siderosis of the central nervous system is a rare condition characterized by deposition of hemosiderin in the leptomeninges, subpial tissue and spinal cord. Magnetic resonance imaging provides prompt diagnosis of this entity. Three cases of cerebral superficial siderosis are presented in this study. On T2-weighted images, typical hypointense rims were observed under the brain surface. In one patient, there was also spinal superficial siderosis findings.