Fig. 1

The patient’s imaging results (A) Head CT showed no obvious abnormalities (September 11, 2020). (B) Head CT showed bilateral low-density lesions in the anterior thalamus (September 12, 2020). (C-E) DWI, T2 weighted imaging, and FLAIR of the head showed symmetrical bilateral high signal lesions in the anterior part of the thalamus (September 12, 2020). (F) CTA of the head showed moderate to severe local stenosis of the P3 segment of the left posterior cerebral artery (the black arrow)