Balo’s concentric sclerosis in a patient with spontaneous remission based on magnetic resonance imaging: A case report and review of literature

Figure 1 Sagittal T2-weighted magnetic resonance imaging showing a mass lesion with concentric rings located adjacent to the left lateral ventricle and posterior part of the corpus callosum with peripheral vasogenic edema.

Figure 2 Axial T1-weighted image after administration of gadolinium-diethylenetriaminepentaacetic acid depicts prominent enhancement in the periphery and central area of the lesion.

Figure 3 Apparent diffusion co-efficient maps portraying only a thin rim of restricted diffusion at the outer rim of the lesion, with facilitated diffusion centrally and at the outer edema. A: Diffusion weight images shows a thin rim of increased diffusion at the outer rim of the lesion; B: The outer rim is hypointense on the corresponding apparent diffusion coefficient map images, indicating true restriction.

Figure 4 One hundred and forty-four millisecond single-voxel magnetic resonance spectroscopy was obtained from the left-enhancing centrum semiovale lesion. It showed a decrease in the choline/N-acetyl aspartate ratio along with mild lipid and lactate peaks.

Figure 5 There was only a T2-weighted linear signal intensity with magnetic resonance imaging obtained after nine months.