Intraoperative examinations for tumors required in the neurosurgical operating theater of the 21st century

In the medical field, an important problem facing modern surgical staffs is how the safety of the surgery is ensured. The surgeon visualizes the anatomy in the preoperative CT/MR image, and the surgical approach is planned. Simultaneously, he confirms distribution of the functional location even in the functional MR images and the neurophysiological examination. The neurosurgeon then acquires the intraoperative MR images of brain shift and tries to remove the tumor maximally while the functional region of eloquent area is identified. Our final goal is to remove the brain tumor totally. Our surgical staff visualize the brain tumor in order to achieve the goal, and the brain tumor is removed maximally. However, the necessary cerebral function in the eloquent areas must also be retained.