Fig. 1
From: Multifocal leukoencephalopathy in cocaine users: a report of two cases and review of the literature
Case 1: MR images of brain lesions. a On admission a large area of increased FLAIR signal is present in the right lentiform nucleus, internal capsule, thalamus, corona radiata and centrum semiovale and a small signal focus is present in the left internal capsule/globus pallidus region. b A rim of gadolinium enhancement is present. c Restricted diffusion is shown by diffusion-weighted imaging in conjunction with the ADC map (d). e and f Five days later FLAIR images show additional lesions in the right medial pons, left cerebellar peduncle, putamen and corona radiata. Five months later, all lesions are smaller (g) and non-enhancing (h)