1. Wong KS, Ng PW, Tang A, et al. Prevalence of asymptomatic intracranial atherosclerosis in high-risk patients. Neurology. 2007. 68:2035–2038.
2. Adams HP Jr, Bendixen BH, Kappelle LJ, et al. Classification of subtype of acute ischemic stroke. Definitions for use in a multicenter clinical trial. TOAST. Trial of Org 10172 in Acute Stroke Treatment. Stroke. 1993. 24:35–41.
3. Haacke EM, Xu Y, Cheng YC, et al. Susceptibility weighted imaging (SWI). Magn Reson Med. 2004. 52:612–618.
4. Thomas B, Somasundaram S, Thamburaj K, et al. Clinical applications of susceptibility weighted MR imaging of the brain - a pictorial review. Neuroradiology. 2008. 50:105–116.
5. Barber PA, Demchuk AM, Zhang J, et al. Validity and reliability of a quantitative computed tomography score in predicting outcome of hyperacute stroke before thrombolytic therapy. ASPECTS Study Group. Alberta Stroke Programme Early CT Score. Lancet. 2000. 355:1670–1674.
6. Rauscher A, Sedlacik J, Barth M, et al. Magnetic susceptibility-weighted MR phase imaging of the human brain. AJNR Am J Neuroradiol. 2005. 26:736–742.
7. Xu Y, Haacke EM. The role of voxel aspect ratio in determining apparent vascular phase behavior in susceptibility weighted imaging. Magn Reson Imaging. 2006. 24:155–160.
8. Sehgal V, Delproposto Z, Haacke EM, et al. Clinical applications of neuroimaging with susceptibility-weighted imaging. J Magn Reson Imaging. 2005. 22:439–450.
9. Flacke S, Urbach H, Keller E, et al. Middle cerebral artery (MCA) susceptibility sign at susceptibility-based perfusion MR imaging: clinical importance and comparison with hyperdense MCA sign at CT. Radiology. 2000. 215:476–482.
10. Chalela JA, Haymore JB, Ezzeddine MA, et al. The hypointense MCA sign. Neurology. 2002. 58:1470.
11. Hermier M, Nighoghossian N. Contribution of susceptibility-weighted imaging to acute stroke assessment. Stroke. 2004. 35:1989–1994.
12. Bozzao L, Fantozzi LM, Bastianello S, et al. Early collateral blood supply and late parenchymal brain damage in patients with middle cerebral artery occlusion. Stroke. 1989. 20:735–740.
13. Jung SL, Lee YJ, Ahn KJ, et al. Assessment of collateral flow with multi-phasic CT: correlation with diffusion weighted MRI in MCA occlusion. J Neuroimaging. 2011. 21:225–228.
14. Yen JC, Lai YJ, Chan L. Middle cerebral artery susceptibility sign and venous prominence in acute ischemic stroke. Neurol India. 2010. 58:620–621.
15. Santhosh K, Kesavadas C, Thomas B, et al. Susceptibility weighted imaging: a new tool in magnetic resonance imaging of stroke. Clin Radiol. 2009. 64:74–83.
16. Moulin T, Crepin-Leblond T, Chopard JL, et al. Hemorrhagic infarcts. Eur Neurol. 1994. 34:64–77.
17. Nandigam RN, Viswanathan A, Delgado P, et al. MR imaging detection of cerebral microbleeds: effect of susceptibility-weighted imaging, section thickness, and field strength. AJNR Am J Neuroradiol. 2009. 30:338–343.