TABLE 2.
Clinicopathologic Correlations in 12 Patients
| Group | n | Clinical Diagnoses | Family History | Sex | Average Age at Onset, years | Average Duration, years | NIIs |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 2 FTDbv | +/+ | M/M | 56.5 | 5.0 | +/+ |
| 2 PPA | +/- | M/F | +/+ | ||||
| 2 | 5 | 3 FTDbv | +/+/+ | M/M/F | 65.4 | 7.6 | +/+/- |
| 1 PPA | - | F | + | ||||
| 1 “dementia” | Unknown | M | + | ||||
| 3 | 3 | All FTD with ALS | +/-/+ | M/M/F | 62 | 3.3 | +/-/- |
Group 1, pathologic FTLD-U with PGRN mutations; Group 2, pathologic FTLD-U without PGRN mutations; Group 3, pathologic FTLD-MND without PGRN mutations.
ALS, amyotrophic lateral sclerosis; F, female; FTDbv, FTD behavioral variant; FTLD, frontotemporal lobar degeneration; FTLD-U, FTLD with ubiquitinated inclusions; M, male; MND, motor neuron disease; NIIs, neuronal intranuclear inclusions; PGRN, progranulin; PPA, primary progressive aphasia.