Fig. 34.1 Parenchymal hemorrhage after tPA. Middle-aged female presenting with acute complete occlusion of the left M1 segment seen on MRA (a). After tPA infusion, the patient developed a large…

Fig. 8.1 Betel nut-induced oral cavity squamous cell carcinoma. Axial (a) and coronal (b) contrast-enhanced CT images show an enhancing mass in the right oral tongue (arrows) Fig. 8.2 Inflammatory…

Fig. 20.1 5-FU-induced leukoencephalopathy. The patient presented with acute mental status changes during the course of therapy. Axial (a–c) and coronal (d) FLAIR MR images show extensive bilateral symmetric confluent…

Fig. 10.1 RCVS associated with Centella asiatica. Fifty-eight-year-old female presenting 10 days after initial acute thunderclap headache. Symptoms began 48 h after ingestion of a large quantity of Centella asiatica….

Fig. 11.1 Nitrous oxide myelopathy. The patient presented with progressive sensory changes in the extremities after nitrous oxide use. Sagittal (a) T2-weighted MRI shows diffuse high signal within the dorsal…

Fig. 9.1 Licorice-induced PRES. Axial T1-weighted (a), axial GRE (b), and axial FLAIR (c, d) MR images ofthe brain demonstrate bilateral parieto-occipital edema with superimposed hemorrhage in the right parietal…