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Books > Medicine > Other branches of medicine > Medical imaging
The imaging aspects of radiography have undergone con many sources and was in general freely given when requested siderable change in the last few years and as a teacher of and this is gratefully acknowledged. In particular I would radiography for many years I have often noticed the lack of a like to express my sincere thanks for help and information to comprehensive reference book for students. This book is an Mr J. Day of DuPont (UK) Ltd. particularly for the infor attempt to correct that situation and I hope this text will be mation and illustrations in the chapter on automated film of value not only to student radiographers but also prac handling; Mr D. Harper and Mr R. Black of Kodak Ltd. ; tising radiographers as well. Fujimex Ltd. ; CEA of Sweden; 3M (UK) Ltd. ; Wardray Much of the information is based on personal experiment Products Ltd. ; D. A. Pitman Ltd. ; Agfa-Gevaert; PSR Ltd. and the knowledge gained of students' difficulties in studying for their help with information on silver recovery, and this subject. I have attempted to gather together in one book Radiatron Ltd. for their help with safelighting. All were most all the information required to understand the fundamentals helpful in my many requests for information. of the subject both for examination and for practice. Some To Mrs A. Dalton and Mrs P.
Sonography is a noninvasive diagnostic method that has gained an established place in many branches of medicine. Although the inability of ultrasound to penetrate bone delayed its application in the orthopedic field, the successful work of R. Graf in the early detection of pediatric hip disorders with ultra sound has served as an impetus for the increasing use of sonogra phy to detect and evaluate abnormalities of the musculoskeletal system. It is certain that further advances in this modality will be forth coming, and that sonography will be applied to new lines of inves tigation in orthopedic diagnosis. In Arthrosonography the authors use concise text and copious illustrations to demonstrate the potential applications of articular ultrasound, its diagnostic capabilities, and technical aspects of the ultrasound examination. Potential pitfalls are also explained. This book is the logical outcome of the application of diagnos tic ultrasound in orthopedics and rheumatology. It covers all basic practical aspects of arthrosonography and will be a valued re source for those concerned with the evaluation of the musculo skeletal system. HANS RETTIG Contents Introduction . . . . . . . . . . . . . 1 The Piezoelectric Effect - The Basis of Modem Sonography . . . . . . 1 Ultrasound Techniques. . . . . . . . . . . 1 General Principles of Diagnostic Ultrasound 2 Landmarks for Arthrosonography 6 Artifacts ........ . 6 Reverberations . . . . . 7 Hyperbolic Artifacts . . 7 Acoustic Mirror Image . 8 Special Phenomena in Arthrosonography 8 "Wandering Echo" Phenomenon . ."
The most meaningful reward to clinicians and researchers is the absence of recurrent malignancy in their patients. While in some patients the disease will be cured by resection alone, in other similarly staged cases the disease will recur despite adequate loco regional and systemic therapies. Hence, risk assessment is a complex issue with many related or unrelated prognostic factors determining outcome. The purpose of this volume is to review some of the most relevant prognostic factors of newly diagnosed breast cancer, focusing on fea tures determining the magnitude of risk. The ultimate value of establishing the significance of each prognostic factor in a given patient will be the resulting ability to plan individu alized therapies for patients at different risk of recurrence at the time of diagnosis. To secure the maximum benefit for high-risk patients, while avoiding undue toxicity in those with low-risk lesions, a well-integrated analysis of all known prognostic factors will be essential in the early postdiagnos tic period. In addition to well-established staging criteria such as axillary nodes, tumor size, receptors, scanning and radiographic examinations, the more sophisticated labora tory techniques, as discussed by several authors herein, will playa crucial role in risk assessment. Most of them, - ploidy determination, oncogenes, tumor markers, monoclonal anti bodies, growth factors, etc. -are presently available in only a minority of treatment centers.
2 Diagnostic Use of Radiographic Methods in Coronary Disease. . . . . . . . . . . . . . . . . . . . . . . . . . 56 3 Material. . . . . . . . . . . . . . . . . . . . . . . . . 58 4 Mode of Operation . . . . . . . . . . . . . 62 5 Radiological Projections. . . . . . . . . . . . . . . . . 63 6 Monitoring of Cardiac Parameters . . . . . . . . . . . . 64 7 Pharmacological Tests . . . . . . . . . . . . . . . . 66 7. 1 Coronary Arteries . . . . . . . . . . . . . . . . . . . . . 66 7. 2 Left Ventricle. . . . . . . . . . . . . . . . . . . . . . . . 67 8 Accidents and Risks of Coronary Arteriography . . . . . 67 References . . . . . . . . . . . . . . . . . . . . . . . . . 68 III Angiographic Explorations: Normal Results . . . 71 1 Left Ventricle and Left Ventricular Function 71 1. 1 Radiological Anatomy. . . . . . . . . . . . 71 1. 2 Normal Kinetics. . . . . . . . . . . . . . . 77 1. 3 Analysis of Wall Contraction . . . . . . 78 1. 4 Volumes and Function Indexes. . . . . . . 81 2 Coronary Arteries and Veins . . . . . . . . 84 2. 1 Origin, Calibre and Preponderance of the Coronary Arteries . . . . . . . . . . . . . . . . . . . . . . . . 84 2. 2 Nomenclature and Segmentation of the Coronary Arteries . . . . . . . . . . . . . . . . . . . . . . 87 2. 3 A Reminder About the Physiology of Coronary Circulation . . . . . . . . . . . 93 2. 4 Angiographic Anatomy . . . . . . . . . . 94 2. 4. 1 Left Coronary Artery . . . . . . . . . . . 94 2. 4. 2 Right Coronary Artery. . . . . . . . . . . . . 95 2. 4. 3 Vascularization of Nodes and the Conduction System . . 96 2. 4. 4 Interconnecting Anastomoses . . . . . . . . . . . . . . . 97 2. 5 Coronary Veins . . . . . . . . . . . . . . . . . . . 97 References . . . . . . . . . . . . . . . . . . . . . . . . . 98 IV Angiographic Explorations: Congenital Anomalies of the Coronary Arteries. . . . . . . . . . . . . . . . . . . . . . . . 100 1 Anomalies of the Origin, Course and Distribution of Coronary Arteries Arising from the Aorta . . . . . . . . 100 2 Abnormal Origin of a Coronary Artery from the Pulmonary Artery . . . . . . . . . . . . . . . . . . . . . 101 3 Anomalies in the Diameter of Coronary Arteries . . . . . 104 4 Coronary Fistulae . . . . . . . . . . . 109 References . . . . . . . . . . . . . . . . . . . . . . . . . 113 VII V Angiographic Explorations: Coronary Atheroma. . . . . . . . 114 1 Left Ventricle . . . . . . . . . . . . . . . . . . . . . . . . 114 1. 1 Morphological Anomalies: Bulging and Lacuna-Like Aspects . . . . . . . . . . . . . . . . . . . . . . . . . . .
The European School of Oncology came into existence to respond to a need for information, education and training in the field of the diagnosis and treatment of cancer. There are two main reasons }Vhy such an initiative was considered necessary. Firstly, the teaching of oncology requires a rigorously multidisciplinary approach which is difficult for the Universities to put into practice since their system is mainly disciplinary orientated. Secondly, the rate of technological development that impinges on the diagnosis and treatment of cancer has been so rapid that it is not an easy task for medical faculties to adapt their curricula flexibly. With its residential courses for organ pathologies and the seminars on new techniques (laser, monoclonal antibodies, imaging techniques etc.) or on the principal therapeutic controversies (conservative or mutilating surgery, primary or adjuvant chemotherapy, radiotherapy alone or integrated), it is the ambition of the European School of Oncology to fill a cultural and scientific gap and, thereby, create a bridge between the University and Industry and between these two and daily medical practice. One of the more recent initiatives of ESO has been the institution of permanent study groups, also called task forces, where a limited number of leading experts are invited to meet once a year with the aim of defining the state of the art and possibly reaching a consensus on future developments in specific fields of oncology.
In the past, CT was the first choice among diagnostic measures for neurological diseases, and MRI was con- sidered to be a supplementary test. However, with the introduction of an ever increasing number of devices, MRI is being used routinely, and it is possible that eventually CT will become supplementary to MRI. This guide to the practical use of MRI has been compiled bearing these considerations in mind. Minimal working knowledge of the simple operations - that does not require details about the technical production of television images - is all that is required in order to obtain information from the views. Thus, even if a clinician is not thoroughly familiar with the theories of MRI, he can use it as efficiently as he does the CT scan. In this book, the theoretical aspects of the principles of MRI are deliberately simplified and the text can be used solely as an atlas. In the introduction, useful general features of MRI interpretation are described and itemized, and major diseases of the central nervous system are presented.
In Videofluorscopic Studies of Speech in Patients with Cleft Palate, Drs. M.L. Skolnick and E.R. Cohn present multiview videofluoroscopy as a technique for the radiological evaluation of speech defects in patients with cleft palate. Dr. Skolnick's invaluable contributions as both the originator and leading authority on the subject are discussed in a concise, clinical fashion. Topics examined include the anatomy and imaging of the velopharyngeal portal; the equipment and techniques of multiview videofluoroscopy; the interpretation of results and various patterns of velopharyngeal closure; Passavant's Ridge and patterns of velopharyngeal closure; normal and abnormal speech production; and the evaluation of test results. This book is the only source which concisely and completely describes the technique and its interpretations for those who need a description of the clinical procedure.
Recent years have witnessed major developments in diagnostic imaging methods. The facilities for these new methods are sometimes expensive. and not always accessible. yet they continue to improve and to change. It is essential that those concerned with orthopaedic imaging should appreciate not only recent developments but also the changes likely to occur during the next few years. It is also important that the indications. contraindications. uses and complications for each individual imaging technique should be understood. This book is an attempt to provide such information for orthopaedic surgeons. diagnostic radiologists. and other clinicians. par ticularly those in training or those who are involved in management of patients with disorders of the musculoskeletal system. In the first part of the book the different imaging techniques are discussed. with emphasis on advantages and disadvantages. indications and contraindica tions. In the second part. authors have been asked to discuss ways in which specific groups of disorders might be investigated. It is hoped that the reader will obtain from this section a balanced view of the different diagnostic imaging methods. the indications for their use. and the sequence in which they might be carried out. The Editors are grateful to aU authors for the time and work they have put into their individual chapters. They are also grateful to the publishers. in particular Michael Jackson. for help given in the preparation of this book. Manchester C. S. B. Galasko I.
This book constitutes the thoroughly refereed post-conference
proceedings of the International Workshop on Computational
Challenges and Clinical Opportunities in Virtual Colonoscopy and
Abdominal Imaging, held in conjunction with MICCAI 2010, in
Beijing, China, on September 20, 2010.
MRI Handbook presents a concise review of the physical principles underlying magnetic resonance imaging (MRI), explaining MR physics, patient positioning, and protocols in an easy-to-read format. The first five chapters of the book introduce the reader to the basics of MR imaging, including the relaxation concept, MR pulse sequences, and MR imaging parameters and options. The second part of the book (chapters 6-11) uses extensive illustrations, images, and protocol tables to explain tips and tricks to achieve optimal MR image quality while ensuring patient safety. Individual chapters are devoted to each major anatomic region, including the central nervous, musculoskeletal, and cardiovascular systems. By using annotated MR images and examples of patient positions used during scanning correlated with sample protocols and parameters, MRI Handbook is a practical resource for imaging professionals to use in the course of their daily practice as well as for students to learn the basic concepts of MR imaging.
The chest X-ray (CXR) or chest radiograph remains the most commonly ordered imaging study in medicine, yet paradoxically is often the most complex to learn, recall, and master effective and accurate interpretation. The chest radiograph includes all thoracic anatomy and provides a high yield, given the low cost and single source. This guide presents a structured lexicon for use by readers to reproducibly describe radiographic abnormalities of the chest detected on plain film CXRs. The lexicon is designed to provide readers with clinically significant differentiation of abnormalities detected. The content is structured to relate specific combinations of distinct radiographic findings to classes/groupings of pathological etiologies of those findings. Recognizing the individual findings and identifying their combination or lack of combination with other individual findings allows readers to create effective differential diagnoses that can then be further evaluated using other imaging procedures and/or non-radiographic clinical information. The book includes hundreds of images, including radiographs, CTs, graphics, and analogous models to help teach otherwise complex processes and radiographic principles.
3.2 Technique ............. '. . . . . . . 123 3.3 Drainage Catheters: Materials and Selection . 139 3.4 The Loop Catheter . . . . . . . . . . 141 4 Aspiration of Pancreatic Pseudocysts 145 E. Concluding Remarks 149 151 References " Subject Index . 158 VII List of Contributors BURGER, H. R, Dr. med., Oberarzt, Institut fur Pathologie, Univer sitiit Zurich, SchmelzbergstraBe 12, CH-8091 Zurich EINIGHAMMER, H.J., Dipl. Phys., Dr. rer. nat., Neurologische Uni versitatsklinik, MoorenstraBe 5, 0-4000 Dusseldorf HAUKE, R, Dipl., Phys., Dr. rer. nat., Gesellschaft fur Medizin. Techn. Informationssysteme, MarienstraBe 2,0-7910 Neu-Ulm PEmo, G., Professor Dr. med., Leitender Arzt, Abteilung fUr Zytolo gie, Institut fur Pathologie, Universitatsspital, CH-8091 Zurich " ... so it is not good for men to fear all that is not already known and settled, and thus feel that it is bad and harmful to strive for a greater perfection than already exists." Holderlin to his mother, 16. November 1799 A. Introduction 1 General The modem cross-sectional imaging methods of sonography and computed to mography, developed in the early 1970s, have contributed greatly to noninva sive studies of the parenchymatous organs and permit the evaluation of patho logic changes in areas that were previously accessible only to invasive, indirect, or inadequate examination."
This book reflects the views of an international faculty and provides an authoritative appraisal of modern radiology. It represents the sec ond volume in a planned series of competent overviews, and is mod eled on the successful first volume, Radiology Today, which was enthu siastically received by an international readership. We were encour aged by the comments we received to continue blending the latest ad vances in radiology with comprehensive teaching material concerning modern radiological practice. The Radiology Today 1982 meeting again brought together outstanding radiologists from Europe and North America for the purpose of sharing their experiences and their viewpoints of the current position and opportunities of imaging in medicine. Updating his/her knowledge of advances in medical imaging has be come an integral part of continuing medical education for every radiol ogist. Because all imaging modalities are continuously being refined, new clinical applications develop and frequently replace more com plex or more invasive procedures. Also, the relationship of imaging procedures to each other changes constantly, and with it the configura tion of critical diagnostic pathways for investigation of clinical signs and symptoms. To recognize this trend is important, because it is ex panding the role of the radiologist: our involvement in active guidance to the point of the patient's diagnostic workup has increased signifi cantly where it has become strategic."
Blood Supply of Bone: Scientific Aspects provides a comprehensive description of the development and physiology of blood supply to the skeleton. Investigative techniques for different types of bone in the body are discussed and the effects of disturbed circulation and the vascular control of osteogenesis is described. This highly illustrated and authoritative volume contains much revised material and many new illustrations reflecting 25 years of advances in this research field since the publication of its well-known precursor in 1971. The wealth of information will not only be invaluable to orthopaedic surgeons, rheumatologists, and radiologists but also pathologists, sports medicine specialists and bone metabolism research workers.
A thorough knowledge of normal radiological anatomy is necessary for detection and evaluation of pathological changes. In pediatric radiology, normal anatomy and normal proportions of anatomical structures may differ considerably from the adult, and may vary during growth. Therefore, in pediatric radiology there is a multitude of measurements, that in the individual patient is important, but that for the radiologist is not meaningful or even possible to keep in mind. This holds true both for the experienced pediatric radiologist, and for those who practise pediatric radiology only occasionally. This volume is written for both categories. In the literature, normal values are calculated and presented in many different ways, that are not always easy to compare, or easy to use in daily work. Therefore, we have revised and recalculated the data given by authors, in order to present the statistical upper and lower normal limits as between plus and minus two standard deviations (+/- 2SD). This means that about 2% of a normal population will be assessed as abnormally large and around 2% abnormally small with respect to the parameter assessed. In this way, the presentation throughout the book is uniform, and hopefully easy to use. All figures have been redrawn and computed in an attempt to make them as clear as possible.
It is a great pleasure for me to introduce and to recommend this much needed text on double contrast examination of the colon. It is aimed both at clinicians who request X-ray examinations of the colon and at radiologists who must per form and interpret these studies. Over the past decade there has been renewed interest in X-ray examination of the colon despite the tremendous advances in endoscopy and imaging tech nology. This renewed interest is evidenced by the proliferation of new books on radiology of the colon. However, previous discussions of double contrast ex amination have concentrated primarily on the technique with too little attention to the understanding and interpretation of the radiologic images. This volume is unique in its emphasis on the basics of image formation and interpretation. It emphasizes the importance of the anteroposterior relation ships of the colon in determining the distribution of barium and air. It also rec ognizes the influence oflocation on the radiologic appearance of the lesion. The authors demonstrate a profound understanding of the principles of double contrast diagnosis as applied to the colon. They also have a good grasp of the gross pathologic changes underlying the radiologic images. The material is presented in a logical and analytical method which should be particularly useful to the beginner in this field. There are many helpful diagrams and the ra diographic illustrations are of excellent quality."
One of the first applications of ultrasound was in submarine sonar equip ment. Since then ultrasound has found increasing applications, particularly in industry, but increasingly in biomedicine. For many years ultrasound has been used in physical therapy, although only in the past decade or two has it evolved from laboratory curiosity to a well-established diagnostic imaging modality. Ultrasound is now a widely accepted, indeed pervasive, diagnos tic and therapeutic tool in the medical field, and its applications are increasing rapidly. Our intent in developing this book is to provide a coherent tutorial intro duction to the field of medical ultrasound at a level suitable for those en tering the area from either medical or scientific backgrounds. The topics discussed should be of interest to nearly all medical and health care per sonnel needing to understand or operate ultrasonic devices, including clini cians, medical technicians, physiotherapists, medical physicists, and other biomedical scientists interested in the field. The book opens with a description of the basic principles of propagating acoustic waves, explains how they interact with a wide range of biological systems, and outlines the effects they produce. To provide practical infor mation to operators of ultrasound equipment, we have included thorough coverage of the details of ultrasonic instrumentation and measurement techniques, and set forth the framework for an effective quality assurance program."
Medical applications of ultrasound range from therapy, foetal monitoring, diagnostic imaging and blood flow measurement, to surgery and lithotripsy. Ever since the earliest developments of medical ultrasound there has been an interest in the measurement and characterisation of the ultrasonic fields generated in these applications, either for assessment of performance of equipment or for safety. Until recently, procedures for acoustic output measurements were ill-defined, but standards are now being developed internationally by the International Electrotechnical Commission (1EC) and reliable commercial measuring equipment is becoming more widely available. The aim of this book is to introduce acoustic output measurement techniques and to provide an insight into the measurement methods. The material presented is based on a course originally run during November 1989 at the National Physical Laboratory. In addition to the lectures, the course consisted of a series of practicals to allow participants to gain experience of making measurements. Teddington, UK Roy C. Preston February 1991 Contents List of Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii List of Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Safety of Diagnostic Ultrasonic Equipment: The Relevance of Acoustic Output Information to the Clinical User R. C. Preston 1. 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. 2 The Relevance of Acoustic Output Information. . . . . . . . . . . . . 6 1. 2. 1 What Is Acoustic Output Information? . . . . . . . . . . . . . . . . . . . 6 1. 2. 2 What Is Acoustic Output Information Used For? . . . . . . . 6 1. 2. 3 Why Should You Know the Acoustic Output Levels of Your Equipment? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1. 2. 4 Are Acoustic Output Levels Really that Important? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This book is intended as a short guide to the visualization of the anatomy of the normal brain by means of the NMR tomogram. The first section comprises a brief introduction to the physical and technical aspects of NMR. This is followed by the atlas section, which pursues a number of objectives. On the basis of two important NMR imaging techniques, the spin-echo technique and the inversion-recovery technique, those experi enced in CT are given the opportunity to familiarize themselves with the differences in tissue contrast that exist in NMR scans despite their appar ent similarity to conventional CT scans. The mode of action of the two NMR imaging techniques is explained in the technical introduction. An additional innovation is the possibility of producing sections that are not, as in CT scanning, limited by the body of the patient. The sagittal and frontal sections parallel to the plane of the face can show an unfamiliar, but particularly clear, image of the anatomy of the head and brain com pared with conventional horizontal sections. An anatomical description accompanying every section is provided by way of clarification. A particular advantage of NMR imaging, namely, the absence of ionizing radiation and, thus, an injurious effect on biological systems (Budinger 1981), makes it possible to provide a systematic visualization of a healthy human brain in a living person in three planes, arranged at right angles to one another."
In the last few years a good deal of information related to the biology and treatment of malignant lymphomas has been accumulated and published in journals and monographs. There is, however, no book that gives a concise and objective update of this information or presents a general survey of the subject. The contributors to this book are international authorities, and on the basis of their personal experience and data from the literature they have written a high-level update on malignant lymphomas which will be of interest to both specialists and nonspecialists.
Radiology Today 3 presents papers and panel discussions from a multi national faculty at the biannual Salzburg Symposium, which this time covered three important topics: critical diagnostic pathways in gastro" intestinal and genitourinary radiology, interventional radiology of the abdomen, and cost containment in radiology. The choice of these topics illustrates the changing role of the radiolo gist in the practice of medicine today and in the foreseeable future. He will have to serve as a consultant more than ever before, assuming in creasing responsibility for sequencing of imaging procedures and par ticipating more and more in therapeutic intervention. In order to pro vide meaningful assistance, the imaging consultant must be aware of the efficacy and the limitations of every procedure. In this context, cost containment is a worldwide public concern, and the most appropriate procedures must be identified. Radiology Today 3 demonstrates how the radiologist functions as a member of diagnostic and management teams to provide optimal in formation and efficient, low-risk patient care at the lowest possible cost. Martin W. Donner Friedrich H. W. Heuck Contents Critical Diagnostic Pathways Abdomen 3 G. MARCHAL, A L. BAERT, K. GEBOES, E. PONETTE, 1. FEVERY The Diagnosis of Pancreatic Cancer ............ 3 W. REICHARDT Localization Techniques for Hormonally Active Pancreatic Tumors ........... . 7 AR. MARGULIS, S. MCCARTHY Hepatic Mass Lesions .... 12 M. KORMANO, K. PARTANEN, 1. KUIKKA Dynamic Liver CT and New Contrast Agents ....... . 17 W. FROMMHOLD, J. PIRSCHEL 20 Gallbladder Diseases: Imaging Sequences 1.A KIRKPATRICK, Jr."
This book is a supplement to Volume V/I in the present series, Diag- nostie Radiology, published in 1962. Despite the relatively long period of time whieh has elapsed sinee its publieation, that eomprehensive vol- urne is still essentially valid, even though further developments have of course oeeurred in eertain fields. In reeent years the developments in nuclear medieine and ultrasonie teehniques have led to a number of new methods of medieal investigation, whieh, in different ways, eomplement diagnostie radiology. Funetional disorders of the urinary traet ean often be detected by means of radioiso- topes. Sinee morphologie ehanges are almost always preeeeded by fune- tional disturbanees, radionuclide teehniques in many instanees produee an earlier diagnosis than radiography. Disturbances of renal blood flow, slight ureterie obstruetion, and ureterie reflux are examples of pathologie states whieh ean be deteeted early by the y scintillation eamera. Bone seans, Le., imaging of the skeletal system using a radionuclide, are used extensively to diagnose bone metastases now that it has been demonstrated that such metastatie growths are identified both earlier and with greater aeeuraey by scintigraphy than by radiographie teeh- niques.
More than 40 years ago British and German neurosurgeons met in Berlin and Breslau to exchange their experiences, to strengthen their friendly bonds, and to enjoy the attractions of both cities and their surroundings. In 1960 a joint meeting of the Dutch and German societies took place in Rotterdam by invitation of the Nederlandse Vereniging van Neurochirurgen. All who attended this meeting thankfully remember the great hospitality during these unforgettable days. In 1970, by courtesy of the Society of British Neurological Surgeons, German neurosurgeons had the pleasure to become acquainted with the great tradition of British sciences at one of the most famous places during the meeting in Cambridge. These impressions were deepened by visits to other famous sources of British scientific tradition during the European Congress in Oxford in 1975. The critical distance sometimes necessary towards our own discipline is implicit in the major themes of this meeting. Complications following shunting procedures for hydrocephalus have been discussed on the basis of the results of a cooperative study of some German neurosurgical departments. The second main topic was problems and diagnostic errors in computer tomography. The papers presented contain critical considerations about the findings obtained by this method, as well as on its possibilities and limitations. German neurosurgeons felt deeply indebted to their British and Dutch colleagues and wanted to return their kindness at this joint meeting in Berlin. We hope that all participants will retain pleasant memories of the days in this city.
In January 1995, 300 participants from Asia, USA, and Europe lively discussed the "State of the Art and Future Aspects of CT" in Peking, China. The workshop was designed to cover all essential aspects of modern CT imaging including the historical development, different techniques, contrast agents, organ systems, and indications. The comparative evaluation of CT versus MRI and ultrasound was a central topic. Additionally, a special session was dedicated to "Angiography Tomorrow." This book summarizes the state of the art in both conventional and spiral CT imaging and provides some suggestions as for the future role of the method.
Since the establishment of magnetic resonance imaging the clinical diagnostic of the head and neck has improved substantially and, therefore, in many cases this technique is used in the first place of radiological diagnosis. The feasibility of non-invasive MR angiography and 3-dimensional reconstruction has enlarged the indication field of MRI. This book presents the meaning of this imaging technique for the diagnosis of diseases in head and neck. Excellent figures show the technicaland diagnostical possibilities of this method, the advantages and limitations of which are explained as well. A comprehensive diagnostic strategy for each diagnostic region is presented. This book is disigned for the use of especially radiologists, ENT specialists and surgeins. |
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