Value of Quantitative Collateral Scoring on CT Angiography in Patients with Acute Ischemic Stroke

^aFrom the Departments of Biomedical Engineering and Physics (A.M.M.B., R.S.B., I.G.H.J., H.A.M.)
^bRadiology and Nuclear Medicine (A.M.M.B., I.G.H.J., O.A.B., L.F.M.B., C.B.L.M.M., H.A.M.)
^cNeurology (Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, the Netherlands
^dDepartment of Robotics and Mechatronics (A.M.M.B., C.H.S.)
^eMIRA Institute for Biomedical Engineering and Technical Medicine (C.H.S.), University of Twente, Enschede, the Netherlands
^fDepartment of Clinical Neurosciences (B.K.M.), Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Foothills Hospital, Calgary, Alberta, Canada
^gDepartments of Neurology (D.W.J.D.)
^hRadiology (A.v.d.L.), Erasmus MC, Rotterdam, the Netherlands
ⁱDepartment of Radiology (W.H.v.Z.), Maastricht UMC, Maastricht, the Netherlands
^jDepartment of Neurology (R.J.v.O.), Maastricht UMC and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands.

Please address correspondence to Anna M.M. Boers, MSc, Department of Biomedical Engineering & Physics, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, the Netherlands; e-mail: amm.boers{at}gmail.com