Is pick's disease the same as "frontotemporal dementia "?

Not exactly: Pick's disease is one type of frontotemporal dementia. There are other types of frontotemporal dementia including sementic dementia or primary progressive aphasia, behavioral variant frontotemporal dementia etc. The classification systems for dementia is an active and changing area of medicine.

Yes: Pick disease and frontotemporal dementia is the same.

Yes: Pick's disease -- named after dr. Arnold pick, a physician who in 1892 first described a patient with distinct symptoms affecting language -- is the same as "frontotemporal dementia." it accounts for 10-15% of all dementia cases. http://www.ncbi.nlm.nih.gov/pubmedhealth/pmh0001752/.

Close enough: Pick's disease refers to a type of microscopic pathology seen in some cases of frontotemporal dementia (FTD). As we are discovering, there are several different misfolded proteins involved in the different FTD variants, which have slightly different presentations and courses.