Table 2.

Clinical diagnoses in patients with pathologically proven frontotemporal lobar degeneration (FTLD) and AD

Clinical impressionFTLD at pathologic examination*AD at pathologic examination*
* Values are expressed as no. of patients with the diagnostic entity considered most likely at the initial evaluation (diagnosis at the last visit before death). At initial evaluation, the diagnosis of FTLD was strongly considered (second alternative) in another five patients with pathologically proven FTLD (see Results).
FTLD19 (20)1 (1)
Probable AD3 (3)19 (23)
Possible AD1 (1)5 (3)
Undetermined6 (5)4 (2)
Other1 (1)1 (1)