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(A-C), Intraoperative microphotographs showing dissection along the interface between the haematoma and the dorsal dura or thecal sac (A); and haematoma evacuation (B,C). (D) Intraoperative ultrasound (IOUS) image showing the haematoma (arrowhead) causing compression on the thecal sac and nerve roots (arrow). (E) IOUS after haematoma evacuation showing an adequately decompressed and re-expanded thecal sac.
