How to Do Better PWI

Rosen B R Belliveau J W Aronen H J Kennedy D Buchbinder B R Fischman A Gruber M Glas J Weisskoff R M Cohen M S . Susceptibility contrast imaging of cerebral blood volume: human experience. Magnetic Resonance in Medicine 1991; 22:293–299.

Sorensen A G Tievsky A L Østergaard L Weisskoff R M Rosen B R . Contrast agents in functional MR imaging. J Magn Reson Imaging 1997; 7:47–55.

Villringer A Rosen B R Belliveau J W Ackerman J L Lauffer R B Buxton R B Chao Y S Wedeen V J Brady T J . Dynamic imaging with lanthanide chelates in normal brain: contrast due to magnetic susceptibility effects. Magnetic Resonance in

Grubb R L Raichle M E Eichung J O Ter-Pogossian M M . The effects of changes in PaCO2 on cerebral blood volume, blood flow, and vascular mean transit time. Stroke 1974; 5:630–639.

Powers W J . Cerebral hemodynamics in ischemic cerebrovascular disease. Annals of Neurology 1991;29:231–240.

Powers W J Grubb R L Raichle M E . Physiological responses to focal cerebral ischemia in humans. Annals of Neurology 1984; 16: 546–552.

Sorensen A G Copen W Østergaard L Buonanno F Gonzalez R Rordorf G Rosen B Schwamm L Weisskoff R Koroshetz W . Hyperacute stroke: Simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time. Radiology 1999;210:519–527.

Weisskoff R Chesler D Boxerman J Rosen B . Pitfalls in MR measurement of tissue blood flow with intravascular tracers: which mean transit time? Magnetic Resonance in Medicine 1993; 29:553–558.

Belliveau J Rosen B Kantor H Rzedzian R Kennedy D McKinstry R Vevea J Cohen M Pykett I Brady T . Functional cerebral imaging by susceptibility-contrast NMR. Mag Res Medicine 1990; 14:538–546.

Rosen B Belliveau J Buchbinder B Kwong K Poorka L Fisel R Weisskoff R Neuder M Aronnen H Cohen M Hopkins A Brady T . Contrast agents and cerebral hemodynamics. Magnetic Resonance in Medicine 1991; 19:285–292.

Rosen B Belliveau J Vevea J Brady T . Perfusion imaging with NMR contrast agents. Magnetic Resonance in Medicine 1990; 14: 249–266.

Fisel C R Ackerman J L Buxton R B Garrido L Belliveau J W Rosen B R Brady T J . MR contrast due to microscopically heterogeneous magnetic susceptibility: numerical simulations and applications to cerebral physiology. Magnetic Resonance in Medicine 1991; 17:336–347.

Boxerman J L Hamberg L M Rosen B R Weisskoff R M . MR contrast due to intravascular magnetic susceptibility perturbations. Magnetic Resonance in Medicine 1995; 34:555–566.