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Click 19 year old female with anti-NMDA encephalitis. Normal non-contrast CT (140 kV, modulated mA, 2.5 mm slice thickness, display width 400HU, display level 40HU) of the brain with no evidence for hemorrhage, loss of gray-white differentiation, mass or hydrocephalus.

Click 19 year old female with anti-NMDA encephalitis. T2 TSE axial images (3T MRI, TR 3800, TE 120) demonstrates preservation of the major intracranial flow voids. No areas of abnormal T2 signal are seen. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. FLAIR (3T MRI, TR 180, TE 10, TI 860) images demonstrates a normal brain. No mass or mass effect is present. The ventricles are normal in size and configuration. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. The pre contrast T1 images (3T MRI, TR 400, TE 25) shows a normal brain with no structural or signal abnormalities. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. The post contrast T1 images (3T MRI, TR 400, TE 25, post intravenous gadolinium based contrast) axial image demonstrates no areas of abnormal enhancement. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. Diffusion weighted axial images (3 T MRI,TR 3800, TE 120) show no areas of diffusion restriction. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. ADC images (3 T MRI,TR 3800, TE 120) show no evidence of abnormal diffusion. (Outside MRI)

Click 19 year old female with anti-NMDA encephalitis. T2 TSE axial images (3T MRI, TR 4000, TE 137) demonstrate gyral enlargement and hyperintensity in the right temporal lobe laterally. There is preservation of the peripontine cisterns as seen on the image on the right, indicating minimal local mass effect. (In House MRI)

Click 19 year old female with anti-NMDA encephalitis. FLAIR (3T MRI, TR 2000, TE 10, TI 900) images demonstrate gyral enlargement and hyperintensity in the right temporal lobe. (In House MRI)

Click 19 year old female with anti-NMDA encephalitis. The post contrast T1 images (3T MRI, TR 450, TE 30, post intravenous administration of 15 ml Optimark) axial image demonstrates no abnormal enhancement within the region of T2/FLAIR hyperintensity and gyral enlargement. (In House MRI)

Click 19 year old female with anti-NMDA encephalitis. Diffusion weighted axial image (3 T MRI,TR 4000, TE 137) shows hyperintense signal in the right temporal lobe. (In House MRI)

Click 19 year old female with anti-NMDA encephalitis. Right temporal lobe hypointensity on the ADC images (3 T MRI,TR 4000, TE 137) which is consistent with diffusion restriction. (In House MRI)