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E. A. Lyons, M.D. Ultrasodnd Department Health Sciences Centre Winnipeg, Manitoba, Canada Acoustical Imaging, Vol. 8 Edited by A. F. Metherell, New York, Plenum Publishing Corp., 1980, 790 pages, $59.50 This volume is the eighth in a series of Proceedings of International Symposia on the subject of acoustic holography and imaging. The contents cover ultrasonic and acoustic techniques for imaging in nondestructive testing, sonar seismic exploration, and medical diagnostic applications. The techniques treated include transmission imaging, acoustic holography, ultrasound-computed monography, acoustic microscopy, as well as the more traditional pulse-echo imaging. The book is technical in nature with few examples of clinical images and little discussion of clinical applications. It is not, therefore, of immediate interest to the clinician. Exceptions to this general statement include a report on the continuing work on ultrasonic computer-assisted tomography of the breast by Greenleaf et a1 and the use of ultrasonic contrast agents by Rajagopalan et al, both from the Mayo Clinic, and two papers by Nicholas et a1 from the Royal Marsden Hospital on the analysis of gray-scale, pulse-echo diagnostic images. However, for the engineer or physicist involved in the development *of medical imaging techniques and the technically minded clinician, the book contains a wealth of information. The scope is broad, covering all aspects of acoustic imaging to a degree of detail sufficient to provide useful information to those knowledgeable in each particular area. The papers are grouped into sections covering underwater applications, seismic applications, methods, computer tomography, acoustic microscopy, nondestructive testing, and medical applications. The coverage includes theoretical treatments of imaging methods, advances in transducer fabrication techniques, signal processing VOL. 8, NO. 6, DECEMBER 1980 systems, and experimental results. An interesting new development reported by Wade et a1 uses a CT reconstruction method on pulse-echo ultrasonic data. The projections are formed by adding together echoes received at constant delay from the transducer. Thus the transducer beamwidth can be broad without affecting the resolution. Projections are formed at many transducer distances and angles, and the data is reconstructed in the usual way. The technique is demonstrated only on high-contrast objects in a water tank. The book shares the problem of any collection of papers in that the subjects treated are not as coherent and orderly as would be the case in a textbook. However, this particular collection seems to cover the field rather well, so that a newcomer would obtain a well-balanced introduction to the areas in current acoustic imaging, while experts in the various areas would learn of the latest developments and research results. D.E. Robinson, Head Advanced Techniques Section Ultrasonics Institute Sydney, Australia RADIOLOGY & G.I. TRACT CME CRUISES. ABSOLUTELY FIRST CLASS. 14-nightcruise with Jack Farmen, M.D. and Ralph Ger, M.D., covering Dilemmas & Dimensions in the Gastro-IntestinalTract. Or on March 21, 1981, Barry Goldberg, M.D. and George Leopold, M.D. conduct a seminar on Diagnostic Medical Imaging. Participants receive 36 hours of CME credit. There is a registration fee of $300, and programs meet IRS requirements for tax deductibility. Your classroom is the deluxe Norwegian-registered Vistafjord, where youâll enjoy the service, cuisine and accommodations that have made Norwegian American Cruises famous: Absolutely First Class. I For seminar details and color cruise brochure, phoneJrofessional Seminars &Workshops Inc., (201) 822-2629. br call NAC toll free (800)221-24OO.InN.Y.. collect (212) 442-3905. \pNorwegian American Cruises
Journal of Clinical Ultrasound – Wiley
Published: Dec 1, 1980
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