Preschooler who had cytomegalovirus infection in-utero Pediatric Imaging Neurological January 16, 2023November 16, 2022 Axial T2 MRI without contrast of the brain show thickening and abnormal sulcation of the perirolandic gray matter diffusely bilaterally. There is also evidence of perisylvian fissure syndrome bilaterally. The diagnosis was diffuse polymicrogyria in a patient with cytomegalovirus encephalitis. Related Published January 16, 2023November 16, 2022