Abnormal brain scans were found in three out of 160 patients with multiple sclerosis, most of them in acute phases of the disease. One had a clinical picture simulating a frontal mass lesion, and the diagnosis was confirmed histologically. In two, the uptake was most probably related to active optic neuritis.
Antunes JL, Schlesinger EB, Michelsen WJ. The Abnormal Brain Scan in Demyelinating Diseases. Arch Neurol. 1974;30(3):269–271. doi:10.1001/archneur.1974.00490330077015
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