Neupsy Key

Fig. 14.1 Intraspinal Pantopaque. Axial and sagittal T1-weighted and T2-weighted MR images (a–d) show high T1 and intermediate T2 signal with associated chemical shift artifact within the spinal canal (arrows)….

Fig. 6.1 Acute Ecstasy toxicity. Axial FLAIR (a, b), DWI (c, d), and ADC map (e, f) show multiple supratentorial and infratentorial acute infarcts. Courtesy of Alisa Gean Fig. 6.2…

Fig. 38.1 Bone marrow necrosis related to HiDAC. Sagittal T2-weighted (a), T1-weighted (b), and post-contrast T1-weighted (c) images show diffuse, extensive geographic signal abnormality and peripheral enhancement within the vertebral…

Fig. 37.1 Mannitol. The patient with a right frontal glioblastoma received mannitol. Intratumoral and peritumoral single-voxel spectroscopy (a) of the right frontal lobe(square region of interest) performed at short TE…

Fig. 16.1 Pseudoresponse. The patient has a history of recurrent glioblastoma in the splenium of the corpus callosum, treated with bevacizumab. Axial FLAIR (a) and T1-weighted post-contrast (b) MR images…

Fig. 44.1 Acetazolamide challenge test. Baseline (a) and post-acetazolamide (b) CT perfusion studies demonstrate paradoxical decrease in cerebral blood flow (CBF) within the left cerebral hemisphere (arrowheads) 10 min after…

Fig. 33.1 Heparin-related intraparenchymal hemorrhage. The patient received large amounts of heparin during cardiac catheterization. Coronal CT image shows a large left frontal lobe hematoma with surrounding vasogenic edema Fig….

Fig. 3.1 Methanol intoxication. Axial non-contrast CT image (a) demonstrates bilateral symmetrical putaminal and subcortical white matter hypoattenuation. Axial FLAIR (b), DWI (c), and T2*-weighted (d) MRI sequences performed 4…

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…