Fig. 1

a Preoperative Computed Tomography (CT) scan of patient 1 showing the intracerebral hemorrhage (#). b-c Post-operative CT scan showing the hematoma cavity (*), the perihemorrhagic microdialysis catheter (PHZ; white arrow), c the catheter in seemingly normal cortex (SNX; black arrow) and the external ventricular drain (black arrow head;◄)