Susceptibility-weighted imaging for the evaluation of patients with familial cerebral cavernous malformations: a comparison with T2-weighted fast spin-echo and gradient-echo sequences - de Souza, J M; Domingues, R C; Cruz, L C, Jr; Domingues, F S; Iasbeck, T; Gasparetto, E L (AJNR Am J Neuroradiol, 2008)