1. The infarcts seen here are yellow, with geographic borders and surrounding hyperemia.

2. Brainstem stroke syndromes, also known as crossed Brainstem syndromes, refer to a group of syndromes that occur secondary to lesions, most commonly infarcts, of the Brainstem

3. Regional enterocolitis (Crohn's disease), ulcerative colitis, and segmental infarcts of the gut may be of similar appearance in barium investigations, but may be differentiated by angiography.