Fig. 4From: Case report: a giant arachnoid cyst masking Alzheimer’s diseaseCoronal and horizontal brain slices of Amyloid-PET imaging. F18-FBB (Florbetaben) tracer was used depicting amyloid-beta burden in both grey and white matter. The border between grey and white matter is indistinguishable thus indicating a pathological cortical amyloid-beta depositBack to article page