Fig. 4.1 RCVS in the setting of marijuana use. The patient presented with acute thunderclap headache after smoking cannabis. Coronal MIP MRA (a) performed 24 h after symptom onset demonstrates…

Fig. 21.1 Dural sinus thrombosis and hemorrhage associated with L-Asparaginase. A pediatric patient with newly diagnosed acute lymphoblastic leukemia presented with generalized tonic-clonic seizures and hemiparesis 14 days after treatment…

Fig. 42.1 Zinc-induced copper deficiency myelopathy. The patient had a history of using large quantities of zinc supplements and subsequently presented with the subacute onset of progressive numbness and paresthesias…

Fig. 40.1 Insulin-induced hypoglycemic encephalopathy. The type 1 diabetic patient presented in coma. Axial T2-weighted (a), DWI (b), and ADC map (c) imaging reveal symmetrical corona radiata T2 hyperintensity with…

Fig. 28.1 Trigonocephaly. Axial (a) and 3D volume-rendered (b) CT images show prominence of the fused metopic suture (arrows) Fig. 28.2 Cleft palate. Axial (a) and coronal (b) CT images…

Fig. 17.1 Pseudoprogression. A 32-year-old male with right thalamic glioblastoma treated with surgical debulking followed by temozolamide (TMZ) and radiation (XRT). Serial axial FLAIR (a, c, e, g) and T1…

Fig. 39.1 Triple H-associated posterior reversible encephalopathy syndrome. Axial CT image (a) shows scattered subarachnoid hemorrhage. Follow-up MRI (b–d) shows bilateral posterior cerebral hemisphere cortical and subcortical vasogenic edema 39.4…

Fig. 15.1 Thorotrastoma. The patient is an 82-year-old female with right vocal cord paralysis and a history of Thorotrast extravasation during an angiogram performed in the 1950s. Axial (a, b),…

Fig. 50.1 Propofol effects on MRI. Axial FLAIR images (a–d) show diffuse high signal within the subarachnoid spaces of the sulci and basal cisterns 50.4 Differential Diagnosis Subarachnoid FLAIR hyperintensity…

Fig. 25.1 Metronidazole-induced encephalopathy. FLAIR MR images (a–c) at the time of presentation show bilateral symmetric high signal within the dentate nuclei, red nuclei, cerebral peduncles, corpus callosum, and periventricular…