Legend There is abnormal signal intensity in the white matter on these axial FLAIR images. Note involvement of both the genu and splenium of the corpus callosum as well as the subcortical U fibers.

Legend Axial T2 images, top, show involvement of the pons and right cerebral peduncle. FLAIR images, bottom, demonstrate the abnormal white matter signal intensity extending to the ventricular margin, and more involvement of the subcortical U fibers.

Legend On the left post contrast image there is a single enhancing subcortical lesion in the right frontal region. Sagittal FLAIR images, on the right, demonstrate the callosal involvement with radially oriented lesions. Key words: mri ms inflammation demyelinating

Brain Diagnosis: Chronic multiple sclerosis. Incidental sebaceous cyst left posterior scalp.