A 63-year-old female who presented with 2 years history of cognitive decline, mainly in semantic and visual recognition functions. On axial FLAIR image, there is asymmetric temporal lobe atrophy without gliosis, right greater than left. Based on cognitive tests, clinical presentation and imaging findings the diagnosis of semantic type of fronto-temporal dementia was made. This pattern of atrophy should be distinguished from post-traumatic encephalomalacia following bilateral temporal contusions, based on clinical history and the absence of gliosis and blood byproducts on imaging