Advances in Stereotactic and Functional Neurosurgery 6: Proceedings of the 6th Meeting of the European Society for Stereotactic and Functional Neurosu

ISBN-13: 9783211817735 / Angielski / Miękka / 1984 / 587 str.

J. Gybels; E. R. Hitchcock; C. Ostertag

Opis

Local interstitial radiation therapy of intrinsic and inaccessible brain tumors is confronted with two major problems: 1. This report deals with the experimental findings of Iodine-125 and Iridium-I92 permanent implants in healthy and neoplastic brain tissue.

Spis treści

Section I. Epilepsy.- 1. Diagnosis.- A. Introduction.- Progress in Diagnosis in View of Surgical Treatment of the Epileptic Patient.- B. Reports.- Localizing Value of the Clinical Manifestations of the Partial Seizures.- Automatic Analysis of Electrocerebral Activity.- Changes of Energy Metabolism and Regional Cerebral Blood Flow Studied by Positron Emission Tomography in the Interictal Phase of Partial Epilepsy.- C. Communications.- Eye Movements and Occipital Seizures in Man.- The Epileptic Seizure with Origin in Frontal Lobe: A Complex Problem for Surgery.- Techniques for the Analysis of Spike Trains in the Human Central Nervous System.- Shape Factor Intensity (SFI) Analysis of EEG of Patients Treated Surgically for Epilepsy.- Stability of Interictal Spike Rate as an Index of Local Epileptogenicity. A Study Based on Computer Analysis.- Computerized Analytic Study of Stability of Interictal Spike Rate.- Chronic Burr-Hole ECoG and SEEG in the Assessment of Surgical Treatment for Epilepsy.- Tridimensional Biomagnetic Localization of Epileptic Foci.- Stereotactic Methodology in Epileptic Patients with Hemispheric Astrocytoma.- Depth Recording and Neuropathological Aspects in Symptomatic Tumoral and Non Tumoral Epilepsy.- Positron Emission Tomographie Studies in Focal Epilepsy.- Influence of Pregnane Derivates on Metabolism of the Brain and Epileptic Activity in Man.- Correlations Between rCBF and Computerized EEG in Temporal Lobe Epilepsy.- Study of the Role of Defence Mechanisms in Patients with Epilepsy to the Purpose of Neurosurgical Treatment and Rehabilitation.- 2. Surgical Treatment.- A. Introduction.- Indications, Advantages and Limits of the Different Rationales of Surgical Treatment of Epilepsy.- B. Communications.- Temporal Lobectomy for Epilepsy in the Patients with Ipsilateral Extratemporal Brain Lesion.- Surgical Management of Partial Epilepsies: A Critical Evaluation of Electrical, CT Scan, and Pharmacological Studies of the Milan Series.- Excision of Two and Three Independent and Separate Ipsilateral Potentially Epileptogenic Cortical Areas.- Additional New Approach in Treatment of Temporal Lobe Epilepsy.- Caudate Nucleus Stimulation Düring Epilepsy Treatment.- The Reduction of Seizures in Cerebral Palsy and Epileptic Patients Using Chronic Cerebellar Stimulation.- Section II. Cerebral Tumours.- Introductory Lecture.- Morphologie Evaluation of Stereotactic Brain Tumour Biopsies.- 1. Stereotactic Biopsy.- Some Correlations Between Histological and CT Aspects of Cerebral Gliomas Contributing to the Choice of Significant Trajectories for Stereotactic Biopsies.- Stereotactic Sampling Biopsies in a Series of 268 Consecutive Cases—Validity and Technical Aspects.- The Reliability of Stereotactic Biopsy.- Intra-Encephalic Stereotactic Biopsies (309 Patients/318 Biopsies).- Diagnostic Accuracy and Multimodal Approach in Stereotactic Biopsies of Deep Brain Tumours.- Stereotactic Biopsy of Brainstem Tumors.- Stereotactic Biopsy of Intracranial Processes.- A Global 3-D Image of the Blood Vessels, Tumour and Simulated Electrode.- Computer Assisted Stereotactic Biopsies Utilizing CT and Digitized Arteriographic Data.- Stereo-EEG Contribution to the Three-Dimensional Definition of the Hemispheric Astrocytomas.- Depth-EEG in Stereotactic Biopsy.- A Simple Method for the Growth of Cell Cultures from Small Biopsies of Brain Tumours Taken Düring CT-directed Stereotactic Procedures.- Tissue Mechanical Resistance Measurements and Records in Stereotactic Biopsy Procedures.- Preliminary Experiences with Intraoperative Ultrasonography in Cerebral Tumour Biopsy.- CT Assisted Stereotactic Biopsy of Deep Cerebral Lesions and the Results.- Observations with the Utilization of the Brown-Roberts-Wells Stereotactic System in the Management of Intracranial Mass Lesions.- CAT Scan-directed Stereotactic Brain Biopsy: With Template Produced by Computer Graphics.- 2. Stereotactic Focal Irradiation.- I. Effects on Tumour and Brain.- Experimental Data on Early and Late Morphologie Effects of Permanently Implanted Gamma and Beta Sources (Iridium-192, Iodine-125 and Yttrium-90) in the Brain.- Morphology of Intracranial Tumours and Adjacent Brain Structures Foliowing Interstitial Iodine-125 Radiotherapy.- Radiolesion versus Recurrence: Bioptic Data in 39 Gliomas After Interstitial, or Combined Interstitial and External Radiation Treatment.- Response of Human Malignant Gliomas and CNS Tissue to 125I Brachytherapy: A Study of Seven Autopsy Cases.- Radiation Damage to Normal Canine Brain Induced by Radiation from Interstitially-Implanted 125I Sources.- An Animal Tumor Model for the Study of the Radiation Biology of 125I Interstitial Brachytherapy.- Pathological Findings in Acoustic Neurinoma After Stereotactic Irradiation.- II. Clinical Results.- Indication and Results of Stereotactic Curietherapy with Iridium-192 and Iodine-125 for Non-resectable Tumours of the Hypothalamic Region.- Colloidal Rhenium-186 in Endocavitary Beta Irradiation of Cystic Craniopharyngiomas and Active Glioma Cysts. Long Term Results, Side Effects and Clinical Dosimetry.- Results of Stereotactic Intracavitary Irradiation of Cystic Craniopharyngiomas. Comparison of the Effects of Yttrium-90 and Rhenium-186.- Combined Interstitial and External Irradiation of Gliomas.- Interstitial and Combined Interstitial and External Irridiation of Supratentorial Gliomas. Results in 61 Cases Treated 1973-1981.- Brachytherapy with Removable Iodine- 125 Sources for the Treatment of Recurrent Malignant Brain Tumours.- Long-term Results of Stereotactic Interstitial Curietherapy.- Stereotactic Radiosurgery in Acoustic Neurinoma.- III. Technical Aspects.- Preoperative Computer Determination of Interstitial Iridium-192 Source Placement into CNS Tumour Volumes.- Hyperselective Encephalic Irradiation with Linear Accelerator.- Concluding Remarks of the Moderator.- Progress and Problems in Tumour Stereotaxis.- Section III. Pain.- Introductory Lecture.- The Suggested Mechanisms of Chronic Pain and the Rationale of Neurosurgical Treatment.- I. Pelvic Cancer Pain (Somatogenic Pain).- Pros and Cons of Different Approaches to the Management of Pelvic Cancer Pain.- Personal Experience with Intrathecal Morphine in the Management of Pain from Pelvic Cancer.- The Role of Cervical Percutaneous Antero-lateral Cordotomy in Malignant Low-back Pain.- Stereotactic High Cervical Extralemniscal Myelotomy for Pelvic Cancer Pain.- Rostrai Stereotactic Mesencephalotomy in Treatment of Cancer Pain; a Survey of 40 Treated Patients.- II. Plexus Avulsion Pain (Neurogenic Pain).- High Frequency Coagulation of Dorsal Root Entry Zone in Patients with Deafferentation Pain.- Epidural versus Thalamic Stimulation for the Management of Brachial Plexus Lesion Pain.- III. Other Topics on Pain.- One Possible Mechanism of Central Pain. Autokindling Phenomenon on the Phantom Limb or Sensory Loss Oriented Patients.- Tic Douloureux Treated by the Injection of Glycerol into the Retrogasserian Subarachnoid Space. Longterm Results.- Neurophysiological and Ultrastructural Study of the So-called Microcompression of the Gasserian Ganglion in the Treatment of Trigeminal Neuralgia.- Longterm Results of Stimulation via an Implanted Gasserian Electrode for Atypical Trigeminal Pain.- Radiofrequency Electrical Stimulation of the Gasserian Ganglion in Patients with Atypical Trigeminal Pain. Methods of Percutaneous Temporary Test-stimulation and Permanent Implantation of Stimulation Devices.- Results to Explain the Mechanism of Certain Chronic Pain Syndrome with the Method of Evoked Sensory Potentials and Power Spectra Density Analysis.- Deep Brain Stimulation in Chronic Pain Syndromes.- Preliminary Results of Specific Thalamic Stimulation for Deafferentation Pain.- Effect of Electrical Stimulation of Periaqueductal Gray and Septal Area on Beta-Endorphin Plasma Levels in a Model of Deafferentation Pain. Experimental Study in Rats.- Chronic VPM Thalamic Stimulation in Facial Anaesthesia Dolorosa Following Trigeminal Surgery.- Recent Progress in the Treatment of Trigeminal Neuralgia: Glycerol into the Trigeminal Cistern and Percutaneous Gasserian Compression by Means of Fogarty’s Catheter.- Controlled Radiofrequency Thermocoagulation of Trigeminal Ganglion in the Treatment of Trigeminal Neuralgia, Hemifacial Spasm, and Facial Neuralgia.- Percutaneous Thermolesion of the Glossopharyngeal Nerve: Results and Anatomo-physiological Considerations.- Percutaneously Implantable Chronic Electrode for Radiofrequency Stimulation of the Gasserian Ganglion. A Perspective in the Management of Trigeminal Pain.- The Use of Highly Detailed Three Dimensional Neuroanatomical Images in the Placing of Cerebral Stimulating Electrodes for Pain.- Section IV. Miscellaneous.- Quantification of Thalamic EEG by the Shape-factor Intensity (SFI) Method.- Deep Brain Stimulations in Cases of Prolonged Post-traumatic Unconsciousness.- Selective Posterior Rootlet Section in the Treatment of Spastic Disorders of Infantile Cerebral Palsy: Immediate and Late Results.- Clinical and Electrocardiographic Improvement of Ischaemic Heart Disease After Spinal Cord Stimulation.- Third Ventricular Width and Thalamo-capsular Laterality.- Stereotactic Cryosurgery in a CT Scanner.- A New Stereotactic Instrument Which Can be Used in Conjunction With Open Surgery.- A Portable Computerized Tomographie Method for Tumour Biopsy.- Clinical Application of an Original Stereotactic Apparatus.- Advanced Intraoperative Imaging for Stereotaxis. The Surgical CT Scanner.- Functional Stereotactic Surgery Utilizing CT Data and Computer Generated Stereotactic Atlas.