PREFRONTAL DEMENTIAS - REPORT OF 6 CASES

Six patients with primary degenerative dementias and frontal or fronto temporal hipoperfusion are reported. Five were diagnosed as Frontal Pr ogressive Dementia (FPD), characterized by striking changes in persona lity and social behavior. The last patient had a progressive aphasia a nd a moderate cognitive impairment. We discuss the heterogeneity of FP D that includes Pick's disease, frontal lobe type dementia (Neary) and progressive subcortical gliosis. The usefulness of SPECT and the need of a brain bank are remarked