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The proceedings of the XVth Congress of the European Society of Neuroradiology are presented in this volume. The four main topics are: new imaging of brain metabolism, the spine and cord, interventional neuroradiology, and free communications including multiple sclerosis, AIDS and the hypophysis.

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´PET and MR Spectroscopy.- In Vivo Characterization of Pituitary Adenomas Using Positron Emission Tomography.- Early Changes in Regional Cerebral Metabolic Rates for Glucose and Oxygen and in Regional Cerebral Blood Flow of Malignant Gliomas After Intraarterial Chemotherapy with ACNU: Positron Emission Tomography Studies in 14 Patients.- PET in the Differential Diagnosis and Evaluation of Treatment in Dementias.- Image-Guided Localized 31PNMR Spectroscopy of the Human Brain: Preliminary Clinical Results.- Potentials of Magnetic Resonance Spectroscopy in Neuroradiology.- Brain Infarction: SPECT Examination of Regional Cerebral Blood Flow (RCBF) and Volume (RCBV) Compared with Gadolinium (Gd)-DTPA-Enhanced MRI.- Emerging Clinical Application of Phosphorous Chemical Shift Imaging of Neoplastic Disease.- The PET Revolution in the Neurosciences.- PET in the Evaluation of Response to Treatment of Brain Tumours.- PET in Brain Gliomas - Biological and Morphological Aspects.- PET Studies in Cerebro-Vascular Disorders.- Spine.- MR Anatomy of the Spine and Spinal Cord.- Craniocervical Junction: MR Study of Normal Paravertebral Soft Tissues and Bony Structures.- Spinal CSF Pulsations.- CSF Pulsations in the Cervical Region Studied by MRI.- DOPE-A Fast Method to Measure CSF Motion.- Analysis of Spinal CSF-Flow Phenomena with an MR Cine Mode Using Fast Sequences. Demonstration by MR-Movie.- Comparison of Strategies for CSF and Blood Flow Motion Artifacts Suppression in T2-Weighted Spin-Echo MR Imaging of the Spine.- Gadolinium DTPA in Magnetic Resonance Imaging of Spinal Tumours and Angiomas.- MR in Craniocervical Malformation.- Normal Postnatal Maturation of the Spine.- Vascular Anatomy and Microangiography of the Spinal Cord.- Brain Stem Anatomy and MRI.- Craniocervical Juncture: MRI vs CT in Congenital and Acquired Diseases.- Lesions Involving the Foramen Magnum: Diagnostic Management.- Tumors of the Craniocervical Junction: Experiences with Conventional and Special MRI Techniques.- Value of Paramagnetic Contrast Agents in the Evaluation of the Craniocervical Junction by MRI.- The Craniocervical Junction in Skeletal Dysplasia: MRI in Flexion and Extension.- Diagnostic Concept of Spinal Tumours Results of Patients.- Difficulties in Intubation For Cervical Surgery: Airway Assessment with Magnetic Resonance Imaging.- MR of the Spine in Breast Cancer.- MR in Lumbar Spondylolisthesis.- MRI of Postoperative Lumbar Spine after Surgery: Assessment of Recurrent Herniated Disk.- MR Post-Diskectomy Imaging.- Spinal Dysraphism -Assessment of the Role of MR Imaging.- Diagnosis of Lumbar Dysraphias by CT Myelography and Nuclear Magnetic Resonance Imaging.- Lumbosacral Spinal Dysraphism - Examination with MRI Compared with Conventional Modalities: Management and Recommendations.- The Anatomic Basis of Vertebrogenic Pain in Lumbar Disc Extrusion: A Retrospective MR Study.- MRI in Degenerative Disease of the Lumbosacral Disc.- M RI in Spinal Dysraphism - Findings in 90 Children and Adolescents.- 3D Gradient Echo Sequences in Examination of the Spine.- Clinical Use of Three-Dimensional Spinal ComputerTomograpy.- Significance of Modern Imaging Techniques in Patients with Friedreichfs Ataxia.- Diagnosis of Vertebrospinal Vascular Malformations: Years of Experience.- Pathophysiology of Spinal Durai Arteriovenous Fistula: A Hemodynamic Approach.- Cystic Necrosis in Compressive Cervical Myelopathy: A Comparison of Myelo CT and MRI.- Contrast Enhanced M RI of Infectious Spondylitis.- MRI of Syringomyelia: Comparison of Pre-Postoperative Results with Clinical Symptoms.- Low Flip Angle Gradient Echo M RI of the Cervical Spine at.3Tesla.- MRI Detection of Intramedullary Ischemia Due to Cervical Spondylosis.- Computer Aided Analytic Morphometry of Posterior Intervertebral Articulations.- Spinal Cord Puncture: Diagnostic and Therapeutic Aspects.- Clinical Relevance of

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