T1 axials pre-gad















































T1 axials pre-gad

Findings: Round isointense lesion (a) in the left Sylvian fissure with encephalomalacia of the left insula and basal ganglia (b). The left caudate nucleus is not seen. Compensatory enlargement of the anterior horn (ah) and atrium (atr) of the left lateral ventricle. Left temporal vascular clip (c) from prior pterional craniotomy. Anterior cerebral arteries (aca). Low signal compatible with Wallerian degeneration of the left portion of the anterior commissure (ac). Insula (ins). Putamen (put). Caudate nucleus (caud). Remaining anterior limb of the left internal capsule (ic).