Download or read book Contrast Enhanced Ultrasound of the Urinary Tract written by Giovanni Regine and published by Springer Science & Business Media. This book was released on 2013-06-05 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines in detail the diagnostic impact of contrast-enhanced ultrasound in the evaluation of urinary tract pathology, paying particular attention to the diagnostic gain that may be expected in relation to other imaging techniques such as CT and MRI. The role of contrast-enhanced ultrasound is evaluated in a range of pathologies, including ischemia, trauma, inflammation, cystic lesions, and solid tumors, as well as in the imaging of anatomic variants. New applications, for example monitoring of kidney transplantation, assessment of urinary bladder lesions, and diagnosis of vesico-ureteric reflux, are also covered. The presented cases, drawn from the authors’ personal clinical caseload, include images obtained using multimodality techniques, sometimes with 3D CT reconstruction. The authors’ own experiences are compared with the most recent reports in the scientific literature.
Download or read book Contrast Enhanced Ultrasound written by Alexander N. Sencha and published by Springer Nature. This book was released on 2022-06-28 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive analysis of the value of contrast-enhanced ultrasound (CEUS) in the diagnosis of a wide variety of pathologies. Sonography reliably identifies a wide range of diseases, and the efficacy of modern ultrasound has dramatically improved with contrast enhancement. This book covers almost all aspects of CEUS starting from basic principles and ending with features of its application in individual organs. In particular, it explores the diseases of abdominal, retroperitoneal, and pelvic organs as well as superficial structures, highlighting the characteristic features of typical findings. Focal lesions are discussed in depth, with attention to their early detection and differential diagnosis. Besides, a practical approach to the stratification of the risk of malignancies is provided. The authors summarized their own experience with CEUS in oncology, hepatology, gynecology, urology, endocrinology, and other fields of medicine. The role of CEUS in differential diagnosis of various disorders of the female reproductive system is comprehensively discussed as well. The presentation is clear and concise, and richly illustrated. The book will be a helpful tool for both residents and practitioners approaching ultrasound diagnostics, as well for more experienced radiologists and other professionals.
Download or read book Contrast Enhanced Ultrasound in Clinical Practice written by Thomas Albrecht and published by Springer Science & Business Media. This book was released on 2005-01-12 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The value of ultrasound contrast agents (USCA) in everyday clinical practice depends on the pharmacokinetics, the signal processing, and the contrast-specific imaging modalities. Second-generation USCA, are blood pool agents that do not leak into the organ tissue to be examined but remain in the intravascular compartment increasing the Doppler signal amplitude during their dynamic vascular phase. Taking advantage of the stability of their microbubbles, they can withstand the acoustic pressure of insonation much better than first-generation contrast media, which results in an increased half-life of the agent and, consequently, in a prolonged diagnostic window. Concomitant with the improvement of contrast agents, different contrast-specific imaging modalities have been developed which, used in combination with USCA and a low mechanical index, allow continuous real-time grey-scale imaging. These recent technical improvements have opened new possibilities in the use of USCA in a variety of indications. Written by internationally renowned experts, the contributions gathered in this book give an overview of current and possible future new applications of USCA in routine and clinical practice.
Download or read book Atlas of Ultrasonography in Urology Andrology and Nephrology written by Pasquale Martino and published by Springer. This book was released on 2017-03-28 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the latest recommendations for ultrasound examination of the entire urogenital system, particularly in the male. The coverage encompasses the role of ultrasound in imaging of disorders of the kidneys, urinary tract, prostate, seminal vesicles, bladder, testes, and penis, including male infertility disorders. In addition, detailed consideration is given to intraoperative and interventional ultrasound and recently developed ultrasound techniques. Each chapter defines the purpose of and indications for ultrasound, identifies its benefits and limitations, specifies the technological standards for devices, outlines performance of the investigation, establishes the expected accuracy for differential diagnosis, and indicates the reporting method. Most of the recommendations are based on review of the literature, on previous recommendations, and on the opinions of the experts of the Imaging Working Group of the Italian Society of Urology (SIU) and the Italian Society of Ultrasound in Urology, Andrology, and Nephrology (SIEUN). The book will be of value for all physicians involved in the first-line evaluation of diseases of the renal/urinary system and male genital disorders.
Download or read book Imaging and Intervention in Urinary Tract Infections and Urosepsis written by Massimo Tonolini and published by Springer. This book was released on 2018-01-12 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at practicing clinicians and radiologists, this volume provides up-to-date, detailed information on potentially severe urinary tract infections (UTIs), which frequently require intensive in-patient antibiotic therapy, percutaneous or surgical treatment. UTIs are the most prevalent infectious illness, and account for hundreds of thousands of emergency and hospital admissions yearly. Furthermore, UTIs are the most common (almost 40%) type of hospital-acquired infections, with bladder catheterisation being the key risk factor. According to the European Association of Urology guidelines, complicated urinary tract infections (C-UTIs) are those associated with structural or functional genitourinary abnormalities or with conditions that impair the host’s defence mechanisms, leading to an increased risk of acquiring infection or therapy failure. Besides offering current perspectives from urologists, nephrologists, and specialists in infectious diseases, the book presents the techniques and highlights the role of ultrasound and contrast-enhanced ultrasound, nuclear medicine, multidetector computed tomography (CT) and magnetic resonance imaging (MRI) in providing comprehensive investigations of upper and lower tract UTIs, and of systemic infections from unknown sources. Cross-sectional imaging is currently recommended to confirm UTI, to assess severity and look for underlying treatable structural or functional abnormalities, in order to provide a consistent basis for a correct therapeutic choice. Furthermore, dedicated chapters illustrate the current status of UTI imaging in children and the expanding role and possibilities of interventional radiology in the treatment of severe urinary tract infections.
Download or read book Imaging in Nephrology written by Antonio Granata and published by Springer Nature. This book was released on 2021-04-29 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a wide-ranging guide to current and emerging applications of ultrasonography within nephrology that aims to provide readers with a sound understanding of the rationale for the use of ultrasound techniques in various disease settings, for example, complications following renal transplantation, arteriovenous fistulas, renal artery stenosis, nonstenotic renal artery pathology, renal vein pathology, aortic disease, and acute renal failure. Particular emphasis is placed on newer applications, such as those involving elastosonography, contrast-enhanced ultrasonography, and color Doppler imaging. There is no doubt that ultrasound techniques can improve the standard of care in nephrology, from vascular access planning to management of uremic complications. Nevertheless, many nephrologists continue to delegate the performance of ultrasonography to radiologists or other colleagues, which is especially regrettable given the advent of affordable, portable ultrasound scanners. This book will be of value for all clinicians interested in the role of ultrasound techniques in nephrology and will be especially useful for nephrologists seeking to incorporate ultrasonography into their practice.
Download or read book Contrast Enhanced Ultrasound in Pediatric Imaging written by Paul S. Sidhu and published by Springer Nature. This book was released on 2020-09-02 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive guide to the rapidly evolving field of contrast-enhanced ultrasound (CEUS) in the child. The uses and interpretation of CEUS are clearly explained with the aid of numerous illustrations. The coverage encompasses both established indications, such as focal liver lesions, abdominal solid organ injury, and vesicoureteral reflux, and a range of newer applications. Extensive information is also provided on microbubble agents and their use in the pediatric age group, as well as on practical aspects of setting up a CEUS service for children. CEUS is a safe imaging method that is ideal for the young patient and can be used for problem solving in a number of clinical situations. Ultrasound combined with microbubble contrast avoids the ionizing radiation of a CT examination, the use of iodinated contrast, the need for sedation or a general anesthetic, and the complexities of MR imaging. In bringing readers up to date with best practice and the latest innovations in CEUS, this book will be of value for pediatric radiologists, pediatric sonographers/technicians, and pediatricians.
Download or read book Ultrasonography of the Pancreas written by Mirko D'Onofrio and published by Springer Science & Business Media. This book was released on 2012-03-08 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasonography (US) has long been considered an important diagnostic imaging modality for investigation of the pancreas despite certain significant and well-known limitations. Indeed, in many countries US represents the first step in the diagnostic algorithm for pancreatic pathologies. Recent years have witnessed major advances in conventional, harmonic, and Doppler imaging. New technologies, softwares, and techniques, such as volumetric imaging, enhancement quantification, and fusion imaging, are increasing the diagnostic capabilities of US. The injection of microbubble contrast agents allows better tissue characterization with definitive differentiation between solid and cystic lesions. Contrast-enhanced US improves the characterization of pancreatic tumors, assists in local and liver staging, and can offer savings in both time and money. Acoustic radiation force impulse (ARFI) imaging is a promising new US method to test, without manual compression, the mechanical strain properties of deep tissues. Furthermore, the applications and indications for interventional, endoscopic, and intraoperative US have undergone significant improvement and refinement. This book provides a complete overview of all these technological developments and their impact on the assessment of pancreatic pathologies. Percutaneous, endoscopic, and intraoperative US of the pancreas are discussed in detail, with precise description of findings and with informative imaging (CT and MRI) and pathologic correlations.
Download or read book Genitourinary Radiology Kidney Bladder and Urethra written by Vikram S. Dogra and published by Springer Science & Business Media. This book was released on 2012-11-07 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: A book such as this, correlating radiologic findings with the associated gross and microscopic pathologic findings, has never been offered to the medical community. It contains radiologic images, in a variety of formats (ultrasound, CT scan, MRI scan) correlated with gross photos and photomicrographs of a wide spectrum of pathologic entities, including their variants, occurring in the following organs or anatomic sites. This book would be of particular interest to radiologists and radiologists-in training, who naturally are very cognizant of radiologic abnormalities, but who rarely, if ever, encounter visual images of the pathologic lesions that they diagnose. It will also be of interest to pathologists and pathologists-in-training, urologists, GU radiation oncologists, and GU medical oncologists.
Download or read book Volumetric Contrast enhanced Ultrasound Imaging of Vascular Perfusion in Renal Tissue written by Marshall Mahoney and published by . This book was released on 2013 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research examines the ability of volumetric contrast-enhanced ultrasound (VCEUS) imaging to quantify kidney blood flow, with the potential to monitor changes in renal perfusion following acute kidney injury (AKI). Ultrasound (US) imaging of microbubble contrast agents allows for increased imaging isolation of the vasculature, creating a non-toxic approach to visualizing blood flow. VCEUS utilizes a series of planar ultrasound acquisitions that can be collected in real time to survey the vascularity of a volumetric region-of-interest. Through post-processing methods it is possible to quantify perfusion parameters such as peak intensity (IPK), time-to-peak intensity (TPK), wash-in rate (WIR), and area-under-curve (AUC). We hypothesize that VCEUS will be a valuable addition to current techniques to track changes in kidney perfusion for both healthy and injured kidney. AKI involves the development of ischemia and decreased glomerular filtration rate in kidneys following some inducing injury, and is in need of a non-toxic, noninvasive imaging approach to monitor patient response to treatment. Current methods of detecting and determining the extent of AKI involve the detection of certain biomarkers in the blood serum and urine, such as creatinine. However, these methods lack the ideal specificity and sensitivity for AKI detection and monitoring. For this thesis project, custom US image processing software was developed with the purpose of deriving the described perfusion parameters, which will give us the necessary information to assess the kidney activity. Studies were initially performed investigating perfusion parameters in a vascular flow phantom, confirming the ability of the software to quantify VCEUS. Investigation of healthy rat kidneys further optimized data acquisition and image processing techniques. Investigation of rat kidneys that underwent ischemia-reperfusion injury allowed collection of pilot information to validate the ability of VCEUS imaging to monitor reperfusion response after AKI. Comparison with controls and current methods, such as creatinine, allow for confirmation of imaging analysis. These preclinical explorations give a complete study for VCEUS imaging of kidney blood flow, which gives the basis for further investigation into the field. The proposed methods in conjunction with currently available techniques have the potential for providing a more accurate representation of the disease state.
Download or read book Radiological Imaging of the Kidney written by Emilio Quaia and published by Springer Science & Business Media. This book was released on 2011-01-19 with total page 893 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a unique and comprehensive analysis of the normal anatomy and pathology of the kidney and upper urinary tract from the modern diagnostic imaging point of view. The first part is dedicated to the normal radiological anatomy of the kidney and normal anatomic variants. The second part presents in detail all of the imaging modalities which can be employed to assess the kidney and the upper urinary tract, with careful descriptions of patient preparation, investigation protocols, and principal fields of application of each imaging modality. The entire spectrum of kidney pathologies is then presented with the aid of a large set of images, many of which are in color. The latest innovations in interventional radiology, biopsy procedures, and parametric and molecular imaging are also described. This book should be of great interest to all radiologists, oncologists, and urologists who are involved in the management of kidney pathologies in their daily clinical practice.
Download or read book Contrast Media in Ultrasonography written by Emilio Quaia and published by Springer Science & Business Media. This book was released on 2005-03-08 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines in detail the different clinical applications of microbubble-based contrast agents. Explains the principles underlying the use of contrast-specific imaging techniques and the examination methodology. Contains numerous high-quality illustrations, including many in color. Written by recognized experts.
Download or read book Enhancing the Role of Ultrasound with Contrast Agents written by Riccardo Lencioni and published by Springer Science & Business Media. This book was released on 2006-08-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an up-to-date overview on the clinical value of contrast agents in ultrasound. The volume moves from a background section on technique and methodology to the main sections on the clinical application of contrast ultrasound in the liver and in vascular diseases. A final section discusses results and prospects of contrast ultrasound modality in the other fields.
Download or read book Diseases of the Abdomen and Pelvis 2018 2021 written by Juerg Hodler and published by Springer. This book was released on 2018-03-20 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book deals with imaging of the abdomen and pelvis, an area that has seen considerable advances over the past several years, driven by clinical as well as technological developments. The respective chapters, written by internationally respected experts in their fields, focus on imaging diagnosis and interventional therapies in abdominal and pelvic disease; they cover all relevant imaging modalities, including magnetic resonance imaging, computed tomography, and positron emission tomography. As such, the book offers a comprehensive review of the state of the art in imaging of the abdomen and pelvis. It will be of interest to general radiologists, radiology residents, interventional radiologists, and clinicians from other specialties who want to update their knowledge in this area.
Download or read book Harmonic Contrast Enhanced Ultrasound CEUS of Kidney Tumors written by Lidia Ciobanu and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, kidney tumor diagnosis benefits from large and highly accurate imagistic methods. A new imagistic method is contrast-enhanced ultrasound (CEUS) that accurately depicts the circulatory pattern of tumors. In kidney pathology, any mass or even capsular deformation depicted by B mode ultrasound represents an indication for CEUS.¬†The kidney is completely and uniformly vascularized. In cystic tumors, there is a lack of contrast loading. In ,Äúimpure,Äù cystic masses (Bosnian 3 and 4), CEUS reveals vascularized septa and walls. In malignant tumors, accelerated and heterogeneous loading of contrast agent is observed in arterial phase followed by early, inhomogeneous washout of the contrast agent compared to normal renal parenchyma. In the abscesses, the appearance is the early loading of the walls associated with moderate hyperemia of the normal circulatory bed. This chapter details the CEUS in kidney tumor pathology, emphasizing the accurate information for the circulatory pattern of renal masses. It requires correlations with clinical data and information provided by other imaging explorations to make a final diagnosis.
Download or read book Brain Neurotrauma written by Firas H. Kobeissy and published by CRC Press. This book was released on 2015-02-25 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the contribution from more than one hundred CNS neurotrauma experts, this book provides a comprehensive and up-to-date account on the latest developments in the area of neurotrauma including biomarker studies, experimental models, diagnostic methods, and neurotherapeutic intervention strategies in brain injury research. It discusses neurotrauma mechanisms, biomarker discovery, and neurocognitive and neurobehavioral deficits. Also included are medical interventions and recent neurotherapeutics used in the area of brain injury that have been translated to the area of rehabilitation research. In addition, a section is devoted to models of milder CNS injury, including sports injuries.
Download or read book Advances in Echo Imaging Using Contrast Enhancement written by N.C. Nanda and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will familiarize the reader with recent advances in echo imaging technology with special emphasis on echo enhancing agents. Several important strides have been made in this field during the past few years, especially in the contrast enhancement of conventional and color Doppler images. The book begins with chapters on the history of contrast echocardiography, the principles of contrast echo and descriptions of new contrast agents capable of transpulmonary passage following intravenous injection. Safety issues in contrast echocardiography are also discussed. The second section of the book deals with clinical uses of echo contrast agents. Their usefulness in the identification of cardiac structures and assessment of pathological lesions using both transthoracic and transesophageal echocardiography are fully discussed. Technical and practical considerations in the use of various contrast agents are also described. The use of contrast echo in the identification of cardiac sources of embolism as well as possible mechanisms and clinical significance of spontaneous contrast echoes are also covered. Six chapters fully discuss the basics of contrast enhancement of conventional and color Doppler images and its clinical utility in the noninvasive assessment of pulmonary artery pressure, regurgitant and stenotic lesions and in the delineation of coronary arteries. Another chapter describes the non-cardiac applications of the echo contrast enhancement technique. The final section of the book investigates the role of echo contrast enhancement in quantitative cardiovascular analysis.
