Abstract
Safe maximal resection is the guiding principle in the surgical management of brain tumors. Given the highly eloquent nature of the brain, anatomical and functional guidance during surgery are crucial. Various technological adjuncts are currently at the disposal of the neurosurgeon. Intraoperative ultrasound (IOUS) has historically been widely used in the neurosurgical operating room. Limitations of conventional 2D ultrasound have resulted in restricted applicability of this tool. Technological advances have resulted in navigable ultrasound becoming available. This combines the benefits of easy and convenient, yet powerful intraoperative imaging, along with navigational capabilities and hence overcomes most of the perceived drawbacks of standalone ultrasound machines. Understanding the various technical nuances and applications of the technique can facilitate optimal utilization of its capabilities for brain tumor resections.
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