Fig. 7From: Intra-operative ultrasound (IOUS) value in cases of AVM and cavernoma excision: single-center experienceIOUS of AVM case during and after resection. A during resection, it assesses the extent of resection. It shows smaller size of the lesion than the original size. The resection is then completed to ensure maximum resection. B After resection is completed, no nidus is presentBack to article page