Unilateral contrast-induced encephalopathy with contrast medium exudation: A case report

Figure 2 Computed tomography of the brain before and 2 h and 7 h after the procedure. A: The normal occipital lobe of the left cerebral hemisphere on the preprocedure computed Tomography (CT); B: The increased density of the interhemispheric cistern, left fissure cistern and part of the left sulcus on CT 2 h after digital subtraction angiography (DSA); C: Seven hours after DSA, indicating the swelling of the left frontal, temporal, parietal and occipital lobe brain tissue, the disappearance of the high-density shadow of sulci and gyri, the shallow appearance of the sulci and gyri, and the higher density of the left cerebral hemisphere than the right cerebral hemisphere.