MRI detects additional intracranial bleeding. A 26-year-old female after motor vehicle accident with elevated S-100B serum concentration (0.924 μg l−1). CCT (a) shows a fracture of the occipital bone (thin arrows), but no intracranial bleeding. MRI (b, T1 weighted; c, T2 weighted; d, T2*weighted; e and f, fluid-attenuated inversion recovery) shows front temporal contusions (arrowheads) as well as subarachnoid haemorrhage (thick arrows in f).