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FIG 2. Patient 2: 50-year-old man with primary angiitis of the CNS who presented with progressive paraparesis.
A and B, First MR study, obtained at 0.5 T. Sagittal contrast-enhanced SE T1-weighted images show numerous small homogeneously enhancing lesions located in the cervical and thoracic cord (arrow, A; arrowheads, B). Enhancing lesions can also be seen in the medulla, both dorsally and ventrally.
C and D, Follow-up MR study 36 months after the onset of disease. Sagittal contrast-enhanced SE T1-weighted (500/12) images show no evidence of contrast enhancement of the cord.
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