Multiple bilateral supra- and infra-tentorial predominantly extra-axial as well as intra-axial ring enhancing and calcified lesions , consistent with neurocysticercosis (granular / calcified phase) with mild supra- and infra-tentorial hydrocephalic changes.
The main differential diagnosis is tuberculosis; however it is :
parenchymal marginally enhancing cystic lesions with tuberculous basal meningitis. The tuberculoma may show restricted diffusion with T2 hypointense wall.
extra-cerebral pulmonary lesions is common association.