Abstract
In this study, we investigated whether visualization of the pyramidal tract and intraoperative MRI combined with functional navigation was helpful in the resection of paraventricular or centrum ovale cavernous hemangioma in children. Twelve patients with cavernous hemangioma located in the paraventricular area or in the centrum ovale adjacent to the pyramidal tract were prospectively enrolled in the study. The pyramidal tract of all patients was visualized preoperatively, and all patients underwent tailored craniotomy with white matter trajectory to resect the lesion, with the help of intraoperative MRI and microscope-based functional neuronavigation. In our study, of the total of 12 patients (nine males and three females), five patients had lesions on the left side, and seven had lesions located in the right hemisphere. The lesion volume varied from 0.2 to 11.45 cm(3). In seven cases, the distance of the lesion from the pyramidal tract was 0-5 mm (the 0-5 mm group), and five cases were in the 5-10 mm group. The 3D visualization of the lesion and the pyramidal tract helped the surgeon design the optimal surgical approach and trajectory. Intraoperative functional neuronavigation allowed them to obtain access to the lesion accura...Continue Reading
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