MAPT and Alzheimer disease: Also, one Alzheimer’s disease (1/19; #65) and one frontotemporal lobar degeneration-tau case (1/22; #83) showed αSyn pathology in the form of Lewy neurites in the retina/optic nerve, both of which had substantial αSyn co-pathology in the brain (Braak LB stage IV and III, respectively).