The re-emergence in Canada of meningovascular syphilis: 2 patients with headache and stroke

Fig. 1: Images of the brain, case 1. Left, a diffusion-weighted MRI scan showing large symmetric infarcts (arrowheads) in the heads of the caudate, the anterior limbs of the internal capsules and the basal ganglia. These are the areas fed by the recurrent arteries of Heubner. Right, an angiograph showing a large saccular aneurysm (arrowhead) in the patient's anterior communicating artery.