Figure 1. (A) Inversion recovery fast spin echo (IR-FSE) using imaging sequence A (Table 1), providing cancellation of grey and white matter signal (Table 2). (B) IR-FSE using imaging sequence B (Table 1), providing good grey/white matter contrast. (C) IR-FSE using imaging sequence C (Table 1), providing improved grey/white matter contrast. (D) Fluid attenuated inversion recovery fast spin echo using imaging sequence D (Table 1).