We reported five cases of Dyke-Davidoff-Masson syndrome (DDMS) with different 
clinical and radiological findings. The evaluated parameters were the location 
of the lesions, midline structural shift effect, pathological and morphological 
changes on the ipsilateral calvarium, paranasal sinuses and mesencephalon, 
presence of compensatory contralateral hypertrophy. With the help of both 
magnetic resonance (MR) and computerized tomography (CT) images, changing 
degrees of all the evaluated parameters were observed in all five of our 
patients. In conclusion, no relationship was found between parenchymal and 
calvarial changes and between the time after onset of the disease and amount of 
the morphologic and pathological changes.