Fig. 49.1 Cerebral edema secondary to fulminant acute liver failure associated with acetaminophen overdose. Axial CT image obtained at the time of presentation soon after ingestion (a) demonstrates an unremarkable…

Fig. 48.1 ADEM related to vaccination. Axial FLAIR images (a–f) obtained approximately 2 weeks after the administration of the vaccine demonstrate numerous hyperintense foci (arrows) involving the infratentorial and supratentorial…

Fig. 52.1 rhBMP-induced osteolysis and heterotopic bone formation. Initial postoperative sagittal CT image (a) shows unremarkable vertebral bodies adjacent to the intervertebral disc spacers. Follow-up sagittal CT image (b) shows…

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….