Laser.- Eleven Years' Experience with Lasers in Neurosurgery.- Current Research Projects in Laser Neurosurgery.- Modified Nd:YAG Laser Operations.- Evaluation of Intraoperative Application of Lasers and Cavitron in Neurosurgery.- The Development and Future of Microsurgical Tissue Welding with Low-Power CO2 Laser.- Regeneration of Peripheral Nerves Following Nd:YAG Laser Transection - Experimental Observations.- Laser-Assisted Microanastomoses.- A Histological Evaluation of Experimental Nerve Anastomoses with the 1.32-?m Nd:YAG Laser.- Ultrasound.- Experiences with the Ultrasonic Surgical Aspirator.- Surgical Ultrasonic Aspiration of Brain Tumors.- Ultrasound-Guided Neuroendoscopy.- The Microvascular Doppler - An Intraoperative Tool for Aneurysm Surgery.- Applications of Transcranial Doppler Sonography in Neurosurgery.- New Aspects of Vasospasm Evaluated in 100 Patients with Aneurysm, Subarachnoid Hemorrhage, and Acute Operation: A Transcranial Doppler Study.- Intraoperative Doppler Sonography During Surgery of the Cervical Spine.- Evoked Potentials.- Useful Parameters in Intraoperative Monitoring of Evoked Potentials.- Somatosensory Evoked Potentials of the Trigeminal Nerve Derived Pre- and Intraoperatively in Patients with Trigeminal Neuralgia, from the Point of View of Microvascular Decompression.- Reliable Electrophysiologic Localization of Levels in Cervical Radiculopathy?.- Experiences with the Intraoperative Single Unit Potential Recording of Spinal Cord and Cauda Equina Disorders.- Neurophysiological Investigations and ICP Monitoring: An Aid in the Treatment of Head Injury.- Brain Electrical Activity Mapping (BEAM) of Event-Related Potentials in Coma.- The 40-Hz Middle Latency Auditory Evoked Potential in Comatose Patients.- Interventional Neuroradiologyfor Neurosurgical Diseases.- Pain Treatment.- Stimulation of the Sympathetic Trunk Instead of Resection.- Long-Term Results of Facet Denervation.- Intraventricular Morphine Application by Means of Implanted Pump Systems in Paraneoplastic Pain Syndrome.- Intrathecal Administration of Baclofen for Treatment of Spasticity: Neurobiological Principles and First Clinical Results.- Magnetic Resonance Imaging.- 0.35-T Proton Nuclear Magnetic Resonance Imaging of the Central Nervous System: Clinical Review of 2909 Patients.- Comparison of CT and MRI, with and without Contrast Enhancement in the Detection of Brain Tumors.- Advantages of MRI in the Surgical Strategy for Brain Stem Tumors.- Tumors of the Skull Base and Posterior Fossa in Children - Comparison of CT and MRI.- The Diagnostic Value of CT and MRI in Lesions of the Sella Turcica.- Imaging of Pituitary Tumors in CT and MRT: A Comparative Study.- RARE Hydrography as a New Diagnostic Tool with Special Respect to Its Value in Preoperative Examinations.- MRI Stereotaxy for Intracerebral Lesions.- Magnetic Resonance Imaging in Diagnosis and Operative Planning of Cerebrovascular Malformations.- Neuroradiological and Neuropathological Findings in Intracranial Cavernous Angiomas.- Clinical, CT, and MRI Findings in Spinal Space-Occupying Lesions.- Value of Magnetic Resonance Tomography in Diagnosing Intraspinal Space-Occupying Lesions.- Magnetic Resonance Imaging in Syringomyelia: Pre- and Postoperative Results.- Magnetic Resonance Tomography of Solid Spinal Cord Tumors with Extensive Secondary Syringomyelia.- Noninvasive Diagnosis of Lumbosacral Lesions with Special Reference to Magnetic Resonance Tomography.- MRI in Complications of Neurosurgical Spine Surgery.- Computer Tomography.- Brain Edema - Tumor Quotient in CranialComputer Tomography as a Preoperative Factor in Histological Prognosis.- Ergometric Achievement Tests in Young Hydrocephalus Patients.- New Research.- Biophysical Differences in Cells of Brain Tumors, Brain Edema, and Normal Glial Tissue.- Prostaglandin F2? and E2 as Possible Mediators of Peritumoral Brain Edema.- Interferon-Beta Therapy for Malignant Gliomas (Systemic and Intralesional Administration): First Results of an Ongoing Clinical Study.- Morphological Findings in Malignant Gliomas Before and After Interferon Therapy.- Electroretinographic Recordings After Intra-arterial Infusion of the Rabbit's Retina with 1,3-bis(2-chloroethyl)-1-nitrosurea (BCNU) Suggesting Retinal Toxicity of BCNU.- Problems of Fibrin Adhesion to Nerves.- Neurosurgical Operations.- Meningioma of the Tentorium.- CSF Fistula Occlusion by Ethibloc: Clinical Experiences with 62 Surgically Treated Cases.- Tumor Growth of Recurrent Meningiomas.- Transpeduncular Stabilization with the Fixateur Interne in Cases of Spinal Instability.- States of Psychomotor Epilepsy Following Different Kinds of Brain Disease and Trauma.