55 Superficial Frameless Stereotactic BiopsyMichael Lim ♦ Preoperative Imaging Magnetic resonance imaging (MRI): Pay particular attention to the optimal sequence and communicate the information to the radiologist (otherwise radiology will…
61 Extratemporal Nonlesional Epilepsy SurgerySean J. Nagel and William E. Bingaman Indications Chronic, pharmacoresistent partial epilepsy Nonlesional magnetic resonance imaging (MRI) study Video electroencephalography (EEG) suggesting focal onset (by definition…
59 Stereotactic Placement of Temporal Depth ElectrodesDimitris G. Placantonakis and Theodore H. Schwartz Indications Invasive epilepsy monitoring of mesial temporal lobe Mesial versus neocortical origin of temporal lobe epilepsy based…
54 Metastatic Tumor ResectionGanesh Rao, Khan Li, and Raymond Sawaya Indications Surgically accessible metastatic tumors Surgically accessible lesions causing neurologic deficit Solitary lesions (diagnosis based on magnetic resonance imaging [MRI])…
58 Subdural Grid PlacementRobert R. Goodman Indications Localization of ictal and interictal epileptiform activity from surface of the brain Medically intractable complex partial seizures with onset lateralized, but not felt…
52 Colloid CystsEdward S. Ahn Indications Symptomatic hydrocephalus Asymptomatic ventricular enlargement Large cysts that pose theoretical risk of classically described “sudden death” if not treated ♦ Preoperative Imaging Computed tomography:…
53 EsthesioneuroblastomasJames E. Conway and Gary L. Gallia Indications Craniofacial resection for biopsy proven esthesioneuroblastoma with periorbital or anterior cranial fossa extension En bloc, gross total resection should be attempted…
51 Pineal Region TumorsAndrew T. Parsa and Isaac Yang Indications Pineal region tumors account for only 0.5 to 1% of all intracranial neoplasms in adults Commonly present with: Parinaud’s syndrome…
50 CraniopharyngiomasGeorge Jallo ♦ Preoperative Imaging Magnetic resonance imaging: ± contrast mandatory, variable T1 signal, heterogeneous T2 signal of solid tumor component, fluid attenuated inversion recovery (FLAIR) sequence is useful…
49 Acoustic Neuromas (Vestibular Schwannomas)Andrew T. Parsa and Michael E. Sughrue Indications Progressive hearing loss or recent worsening of symptoms Brain stem compression Observed tumor enlargement in a low risk…
