This article outlines the changes seen using various imaging modalities in the normally aging brain and then discusses in detail the changes seen with various pathologic conditions. Entities discussed include primary degenerative dementias, extrapyramidal system diseases, and vascular dementias.
aDepartment of Neuroradiology, S. Salvatore Hospital, University of L'Aquila, 67100 Loc. Coppito, L'Aquila, Italy
bItab and Department of Clinical Science and Bioimaging, University of Chieti, via dei Vestini 31, Chieti, viale Pindaro 42, Pescara, Partita IVA 01335970693, Italy