Stereoelectroencephalography (SEEG) is an invasive surgical procedure used to identify epileptogenic zones. The combination of both subdural grids and depth electrodes (DEs) is currently used for invasive intracranial monitoring in many epilepsy centers. To perform DE implantation, some centers use frame-based stereotactic techniques and others use stereotactic robotic techniques. However, not ...

Functional magnetic resonance tomography (fMRI) is used to identify eloquent areas of the brain. In combination with a 3-D anatomical MR dataset this leads to a functional neuronavigation system. During the operation brain shifts result in an increasing inaccuracy. To preserve the advantages of functional neuronavigation for the surgeon, it is necessary to save the functional information. Since...

Computer-assisted neuronavigation (an image-guided technique that facilitates brain tumor surgery) reduces the risk of neurological morbidity. Postoperative neurological dysfunction is also minimized by performing intraoperative neurological testing during awake craniotomy with proper surgical resection of a brain tumor. However, when the patient's airway is not secured, an awake craniotomy can...

Osteogenesis imperfecta (OI) is a bone disorder that can lead to skull base deformities such as basilar invagination, which can cause compression of cranial nerves, including the trigeminal nerve. Trigeminal neuralgia in such cases remains a challenge, given distorted anatomy and deformities. We present an alternative option, consisting in cannulation of the foramen ovale and classical percutan...

Introduction Prior to the widespread advent of frameless stereotaxy, intracranial tumour surgery relied upon a 3-D conceptualisation of anatomy from pre-operative imaging. External anatomical landmarks such as the coronal suture and auricle helped guide the placement of a craniotomy. Bone flaps were often planned with a margin for error, particularly when locating non-lobar tumours. The choice ...