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Table 1 Timeline of Brain Imaging

From: Magnetic resonance imaging and magnetic resonance venography features in heat stroke: a case report

Day Brain CT scan/MRI Findings Brain MRV Findings
3 Symmetrical low-density lesions in the bilateral basal ganglia on CT scan. ND
8 Slight hyperintensity in the bilateral putamen on DWI. Bilateral symmetrical hypointensity in the middle of the putamen and hyperintensity around hypointensity on ADC, FLAIR, and T2WI. Hyperintensity in the middle of the bilateral putamen and hypointensity around them on T1WI. ND
12 ND Inferior sagittal sinus, straight sinus, and vein of Galen were not observed on MRV. The superior sagittal sinus was poorly developed on MRV.
17 Bilateral hemosiderin deposition or hemorrhagic foci in the basal ganglia on SWI. ND
25 Symmetrical abnormal signals in the bilateral posterior limb of the internal capsule, putamen, external capsule, and insular lobe. The signals were hypointense on T1WI and hyperintense on T2WI, FLAIR, and ADC and were not limited by diffusion on DWI. Strip and dot-like signals, which were isointense and slightly hypointense on T1WI and hypointense on T2WI, can be observed in the lesions. Bilateral hyperintensity on the frontal and occipital lobes on DWI. The flow signals of the superior sagittal sinus, straight sinus, and vein of Galen were significantly better on follow-up MRV.
28 Abnormal enhancement within the bilateral basal ganglia on MRI after the administration of gadolinium. ND
  1. “ND” represents “Not Done”