Fig. 4From: Post-transfusion severe headache in a patient with thalassemia with superficial siderosis of the central nervous system: a case report and literature reviewTimeline of the patient’s condition. CSF, cerebrospinal fluid; CT, computed tomography; MRI, magnetic resonance imaging; MRV, magnetic resonance venography; MRA, magnetic resonance arteriography; SWI, susceptibility-weighted imagingBack to article page