07 August 2026
: Case report 
Transient Ischemic Attack Progressing to Top-of-the-Basilar Syndrome: A Case Report
Unusual clinical course, Unusual or unexpected effect of treatment, Educational Purpose (only if useful for a systematic review or synthesis)
Guoqing Zhou BEF 1, Yu Xu A 2*DOI: 10.12659/AJCR.953007
Am J Case Rep 2026; 27:e953007
Figure 3 (A) Diffusion-weighted imaging reveals acute infarct lesions involving the bilateral thalamus. (B, C) The arrowhead indicates the site of acute infarction in the left hippocampus. (D) The arrow points to a punctate acute infarction focus in the right cerebellum. (E) Magnetic resonance angiography (MRA) reveals no stenosis in the P1 segment of the left posterior cerebral artery. (F) MRA reveals a suspicious stenosis at the distal end of the P2 segment of the left posterior cerebral artery.