ICH case-case comparison of Flutemetamol binding This is an investigator-sponsored study, partly funded by GE Healthcare. The pathophysiological hypotheses to be tested are: Primary: The amount and distribution of 18F-flutemetamol uptake will differ between cases with: lobar ICH probably related to CAA, according to the modified Boston criteria9 lobar ICH possibly related to CAA, according to the modified Boston criteria9 deep ICH (neither probably or possibly related to CAA, according to the modified Boston criteria9) Secondary: To correlate the distribution of 18F-flutemetamol retention with magnetic resonance imaging (MRI) features associated with CAA (small foci of haemorrhage near the surface of the brain (lobar microbleeds) for example) and retinal imaging biomarkers. This article was published on 2024-08-27