Figure 22.
Focal WM lesions with neurobehavioral manifestations. (A) Lacune in the genu of the right internal capsule (arrow) on CT presenting with hemineglect.2,52 (B) Diagram of the WM lesion responsible for parietal pseudothalamic pain syndrome, thought to disrupt the second somatosensory cortex from thalamus.297 (C) FLAIR MRI of posterior reversible encephalopathy syndrome producing visual loss.2 (D, E) Focal WM lesion consisting of metastatic melanoma with surrounding edema, producing alexia without agraphia.