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Neurology
Prospective study of 7T MRI black rims in hereditary Dutch-type cerebral amyloid angiopathy
Black Rims on Scans Mean Iron Buildup After Bleeding
This prospective observational study examined 20 patients with hereditary Dutch-type cerebral amyloid angiopathy (D-CAA) at Leiden Universit…
Imagine looking at a brain scan and seeing dark rings around tiny blood vessels.
medRxiv
Apr 24, 2026
Neurology
RCT
Cortical Superficial Siderosis Burden Predicts Hemorrhage and Poor Outcomes After Stroke Thrombolysis
New Brain Scan Marker Predicts Bleeding Risk Before Treatment
A substudy of the AcT trial (alteplase versus tenecteplase) evaluated radiological Boston CAA criteria and constituent markers in 482 thromb…
A specific brain scan pattern predicts dangerous bleeding after clot-busting drugs, helping doctors decide who needs fast treatment to save …
Apr 15, 2026