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A Novel Ultrasonic Imaging Method For Remote Palpation Of Breast Tissues
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Book Synopsis A Novel Ultrasonic Imaging Method for Remote Palpation of Breast Tissues by :
Download or read book A Novel Ultrasonic Imaging Method for Remote Palpation of Breast Tissues written by and published by . This book was released on 2000 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of acoustic remote palpation, capable of imaging local variations in the mechanical properties of soft tissue is under investigation. Acoustic Radiation Force Impulse (ARFI) imaging uses focused ultrasound to apply localized radiation force to small volumes of tissue (2 mm3) for short durations (less than 1 msec) and the resulting tissue displacements are mapped using ultrasonic correlation based methods. The tissue displacements are inversely proportional to the stiffness of the tissue, and thus a stiffer region of tissue exhibits smaller displacements than a more compliant region. Due to the short duration of the force application, this method provides information about the mechanical impulse response of the tissue, which reflects variations in tissue visco-elastic characteristics.
Book Synopsis A Novel Ultrasonic Imaging Method for Remote Palpaton of Breast Tissues by :
Download or read book A Novel Ultrasonic Imaging Method for Remote Palpaton of Breast Tissues written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of Remote Palpation, which may allow the detection of small, stiff lesions lying deep within the breast is under investigation. In this method, acoustic radiation force applied to localized (approximately 2 mm3) regions of tissue, and the resulting tissue displacements are mapped using ultrasonic correlation based methods. An area that is stiffer than the surrounding medium distributes the force, resulting in larger regions of displacement, and smaller maximum displacements. The resulting displacement maps may be used to image tissue stiffness. We have developed a finite element model of Remote Palpation, with which a parametric analysis of the affect of varying tissue and acoustic beam characteristics on radiation force induced tissue displacements has been performed. We have developed phantom tissue fabrication facilities, with which models of tissue of varying stiffness and acoustic absorption characteristics have been built. Experimental pulse sequences have been developed for our Elegra scanner, with which initial experiments have been performed in phantoms. The tissue displacement patterns observed in the experiments are consistent with those predicted by the simulations. Peak displacements of 30 microns were observed in a phantom with a Young's modulus of 0.8 kPa. These initial results suggest considerable clinical potential for Remote Palpation.
Book Synopsis Breast Ultrasound by : Christof Sohn
Download or read book Breast Ultrasound written by Christof Sohn and published by Thieme. This book was released on 1999 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive coverage of the applications & advantages of breast ultrasound in the evaluation of breast disorders. Topics include sonographic anatomy of the breast; sonographic criteria for the differential diagnosis of masses; appearance of inflammatory, benign & malignant lesions; color Doppler ultrasound for the evaluation of vasculature; & the use of ultrasound in interventional procedures.
Book Synopsis Breast Ultrasound by : Alexander N. Sencha
Download or read book Breast Ultrasound written by Alexander N. Sencha and published by Springer Science & Business Media. This book was released on 2014-07-08 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an ideal manual on the use of modern ultrasound in the diagnosis of breast pathology. It provides a comprehensive overview of current ultrasound techniques and explains the advantages and pitfalls of various ultrasound imaging modalities. Detailed attention is devoted to breast carcinoma, with guidance on differential diagnosis and presentation of pre- and postoperative ultrasound appearances. The most important benign breast diseases are also described and illustrated. Age-related features, including those seen in children and adolescents, are carefully analyzed, and an individual chapter is devoted to breast abnormalities in men. All aspects of lymph node appearances are reviewed in detail, with a special focus on the role of ultrasound in the evaluation of lymph node status. Ultrasound-guided breast interventions and imaging of breast implants are discussed in depth. This up-to-date and richly illustrated book will interest and assist specialists in ultrasound diagnostics, radiologists, oncologists, and surgeons.
Book Synopsis NMR Reconstructive Elasticity Imaging of Breast: Surrogate Remote Palpation Using Quantitative 3-D Displacement by : Thomas L. Chenevert
Download or read book NMR Reconstructive Elasticity Imaging of Breast: Surrogate Remote Palpation Using Quantitative 3-D Displacement written by Thomas L. Chenevert and published by . This book was released on 1998 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this research program is to develop a sensitive diagnostic technique based on quantitative elasticity imaging permitting surrogate palpation of deep lying breast lesions. The remote measurement of elasticity in breast tissues may provide unique information which could increase detection and/or characterization of potentially malignant masses not accessible to manual palpation. The primary technical objective of this study is to refine and test a novel MRI method for the acquisition of high resolution 3-dimensional spatial displacement data through the imaged object for quantitative estimation of internal strain and elastic modulus. Proof-of-concept of the proposed 3D displacement-encoding, stimulated echo technique has been completed and recently published using two-dimensional test objects. Design, fabrication, and refinement of an MRI pulse-sequence controlled, pneumatic deformation device is now complete. Initial tests confirm this device provides highly reproducible deformations as required by the method. Stable phantom materials and fabrication procedures have been determined for production of test objects. Extension of elasticity reconstruction and boundary detection algorithms to accommodate dimensionality of the MRI data are underway, with initial 3D-phantom tests planned for the first quarter of project year #2.
Book Synopsis NMR Reconstructive Elasticity Imaging of Breast: Surrogate Remote Palpation Using Quantitative 3-D Displacement and Strain Estimations by :
Download or read book NMR Reconstructive Elasticity Imaging of Breast: Surrogate Remote Palpation Using Quantitative 3-D Displacement and Strain Estimations written by and published by . This book was released on 1999 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this research program is to develop a sensitive diagnostic technique based on quantitative elasticity imaging permitting surrogate palpation of deep lying breast lesions. The remote measurement of elasticity in breast tissues may provide unique information which could increase detection and/or characterization of potentially malignant masses not accessible to manual palpation. The primary technical objective of this study is to refine and test an MRI method for the acquisition of high resolution 3- dimensional (3D) spatial displacement data through the imaged object for quantitative estimation of internal strain and elastic modulus. Proof-of-concept of the proposed 3D displacement-encoding, stimulated echo technique has been completed and published using two-dimensional test objects. A pneumatically-driven deformation device under acquisition sequence control has been designed, constructed, and demonstrated to produce highly reproducible deformations of the imaged object. The image acquisition sequence has been generalized to encode 3D displacements over a 3D volume using "classic" 3D and fast-spin- echo schemes. Volumetric datasets of 3D phantoms have been acquired and submitted for processing using newly developed 3D elasticity reconstruction algorithms. Comparisons between 2D and 3D elasticity reconstructions from simulated and experimental displacement data shows higher accuracy of the 3D elasticity reconstruction.
Book Synopsis Tissue Elasticity Imaging by : S. Kaisar Alam
Download or read book Tissue Elasticity Imaging written by S. Kaisar Alam and published by Elsevier. This book was released on 2019-06-15 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tissue Elasticity Imaging: Volume One, Theory and Methods offers an extensive treatment of the fundamentals and applications of this groundbreaking diagnostic modality. The book introduces elasticity imaging, its history, the fundamental physics, and the different elasticity imaging methods, along with their implementation details, problems and artefacts. It is an essential resource for all researchers and practitioners interested in any elasticity imaging modality. As many diseases, including cancers, alter tissue mechanical properties, it is not always possible for conventional methods to detect changes, but with elasticity images that are produced by slow tissue deformation or low-frequency vibration, these changes can be displayed. Offers the first comprehensive reference on elasticity imaging Discusses the fundamentals of technology and their limitations and solutions, along with advanced methods and future directions Addresses the technologies and applications useful to both researchers and clinical practitioners Includes an online reference section regularly updated with advances in technology and applications
Book Synopsis Physics of Mammographic Imaging by : Mia K. Markey
Download or read book Physics of Mammographic Imaging written by Mia K. Markey and published by Taylor & Francis. This book was released on 2012-11-09 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the increasing number of digital mammograms and the advent of new kinds of three-dimensional x-ray and other forms of medical imaging, mammography is undergoing a dramatic change. To meet their responsibilities, medical physicists must constantly renew their knowledge of advances in medical imaging or radiation therapy, and must be prepared
Book Synopsis Ultrasound Elastography by : Monica Lupsor-Platon
Download or read book Ultrasound Elastography written by Monica Lupsor-Platon and published by BoD – Books on Demand. This book was released on 2020-03-04 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastography, the science of creating noninvasive images of mechanical characteristics of tissues, has been rapidly evolving in recent years. The advantage of this technique resides in the ability to rapidly detect and quantify the changes in the stiffness of soft tissues resulting from specific pathological or physiological processes. Ultrasound elastography is nowadays applied especially on the liver and breast, but the technique has been increasingly used for other tissues including the thyroid, lymph nodes, spleen, pancreas, gastrointestinal tract, kidney, prostate, and the musculoskeletal and vascular systems. This book presents some of the applications of strain and shear-wave ultrasound elastography in hepatic, pancreatic, breast, and musculoskeletal conditions.
Book Synopsis Breast Elastography by : Richard G. Barr
Download or read book Breast Elastography written by Richard G. Barr and published by Thieme. This book was released on 2015-01-28 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference covers the principles and techniques used in performing breast elastography, an innovative imaging technology that can dramatically reduce the need for biopsies. The book begins with an introduction of the techniques, followed by sections on how to perform each technique and methods of interpretation, and concludes with more than 60 detailed case studies. Key Features: Includes case studies covering a wide range of breast pathologies and illustrating the use of all available elastography techniques to help radiologists obtain the best images for each pathology Covers all methods of breast elastography, including sheer wave and strain wave Contains more than 200 high-quality color images that demonstrate how to perform each technique Breast Elastography is an essential reference for all radiologists, residents and fellows, and sonographers involved in breast imaging and evaluation.
Download or read book Medical Imaging written by and published by . This book was released on 2003 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis IOMC 2008 Proceedings Book: A collection of the 1st International Online Medical Conference Papers by : Mostafa Nejati
Download or read book IOMC 2008 Proceedings Book: A collection of the 1st International Online Medical Conference Papers written by Mostafa Nejati and published by Universal-Publishers. This book was released on 2008-06-30 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of the accepted papers of the 1st International Online Medical Conference (IOMC 2008). It includes the latest findings and research works of medical doctors, medical university prfessors, and activists from around the world, which covers different themes in the field of medicine. This book is suggested to all medical doctors, students, academics, professors, and researchers.The unique feature of this book is that all the articles are related to the FIRST-EVER completely held ONLINE Medical conference (IOMC 2008) which was sucessfully held on May 14 & 15, 2008.
Book Synopsis Magnetic Resonance Elastography by : Sudhakar K. Venkatesh
Download or read book Magnetic Resonance Elastography written by Sudhakar K. Venkatesh and published by Springer. This book was released on 2014-10-01 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book to cover the groundbreaking development and clinical applications of Magnetic Resonance Elastography, this book is essential for all practitioners interested in this revolutionary diagnostic modality. The book is divided into three sections. The first covers the history of MRE. The second covers technique and clinical applications of MRE in the liver with respect to fibrosis, liver masses, and other diseases. Case descriptions are presented to give the reader a hands-on approach. The final section presents the techniques, sequence and preliminary results of applications in other areas of the body including muscle, brain, lung, heart, and breast.
Book Synopsis Image-guided Focused Ultrasound Therapy by : Feng Wu
Download or read book Image-guided Focused Ultrasound Therapy written by Feng Wu and published by CRC Press. This book was released on 2024-07-31 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound has been widely used in diagnostic imaging for a long time. In the past 10 years, image-guided focused ultrasound therapy has seen rapid growth, in biomedical science and engineering, and in clinical medicine. The purpose of this book is to bring internationally renowned authorities and experts in this field together to provide up-to-date and comprehensive reviews of basic physics, biomedical engineering, and clinical applications of focused ultrasound therapy in a widely accessible fashion. Focusing on applications in cancer treatment, this book covers basic principles, practical aspects, and clinical applications of focused ultrasound therapy. It reviews the medical physics and bio-effects of focused ultrasound beams on living tissues, dosimetric methods and measurements, transducer engineering, image guidance and monitoring (including magnetic resonance imaging -- MRI -- and ultrasound), treatment delivery systems, and clinical applications. The book also gives practical guidelines on patient setup, target localisation, treatment planning and image-guided procedures for the treatment in various sites, including the prostate, liver, pancreas, breast, kidney, uterus, bone, and brain. The book discusses major challenges for the use of focused ultrasound energy on living tissues and explores the cellular and physiological responses that can be employed in the fight against cancer from biological, physics and engineering perspectives. It also highlights recent advances, including the treatment of solid tumours using image-guided drug delivery, and the exploitation of microbubbles, nanoparticles, and other cutting-edge techniques. Readers who are interested in learning more about the technique and the clinical applications described in each chapter can find more information in the comprehensive bibliographies provided. This book is suitable for anyone involved in, or looking to become involved in, the research and clinical applications of focused ultrasound therapy, including medical professionals, physicists, biomedical engineers, graduate students and others working in this multidisciplinary field. It offers a balanced and critical assessment of state-of-the-art technologies, major challenges, and an outlook on the future of focused ultrasound therapy. It presents a thorough introduction for those new to the field while providing helpful, up-to-date information and guidelines for readers already using this therapy in clinical and pre-clinical settings. Key Features: Brings together a wide range of world-leading experts in this new field, presenting the latest clinical outcomes of using focused ultrasound for the treatment of benign and malignant diseases Covers the fundamental physics of focused ultrasound therapy and ultrasound-mediated drug delivery, including chapters on the mechanism of sonoporation, microbubble and ultrasound interaction, and their potential clinical applications Introduces clinical guidelines for focused ultrasound therapy, including indications and contraindications, treatment goals, the selection of patients, clinical observation during treatment procedure and follow-up, and characteristics of image changes after treatment
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiparametric Ultrasound Diagnosis of Breast Diseases by : Gennady T. Sukhikh
Download or read book Multiparametric Ultrasound Diagnosis of Breast Diseases written by Gennady T. Sukhikh and published by Springer. This book was released on 2018-06-08 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This richly illustrated book provides a comprehensive overview of the use of current ultrasound techniques, including contrast-enhanced ultrasound and ultrasonic elastography, in the diagnosis of breast disease. The advantages and pitfalls of the various imaging modalities are identified, and it is explained how combined use of the modalities – multiparametric ultrasound – aids diagnosis and in particular assists in the differentiation of benign and malignant disease. Readers will find detailed description and illustration of the imaging appearances of age-related features (including in children and adolescents), the most important benign diseases, different forms of breast cancer, mammary gland pathology in the contexts of pregnancy and female reproductive system disease, chest gland pathology in males, and recurrent and metastatic disease. In addition, ultrasound-guided breast interventions and imaging of breast implants are discussed. Specialists in ultrasound diagnostics, radiologists, oncologists, and surgeons will all find this topical book to be both interesting and helpful in daily clinical practice.
Book Synopsis The Role of Early Detection and Complementary and Alternative Medicine in Women's Cancers by : United States. Congress. House. Committee on Government Reform
Download or read book The Role of Early Detection and Complementary and Alternative Medicine in Women's Cancers written by United States. Congress. House. Committee on Government Reform and published by . This book was released on 2000 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
