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ultrasound

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Book Chapter
Series: Developments in Ophthalmology
Volume: 31
Published: 20 September 1999
10.1159/000060752
EISBN: 978-3-318-00445-8
Book Chapter
Series: Current Problems in Dermatology
Volume: 56
Published: 05 July 2023
10.1159/000521487
EISBN: 978-3-318-07040-8
... developed 20 MHz high-intensity focused ultrasound (HIFU) is introduced as a complementary method to lasers, but also as a stand-alone treatment for selected groups. 20 MHz HIFU allows for application of high-power ultrasound energy to very small focal targets in the dermis, and thereby precise confinement...
Book Chapter
Series: Monographs in Clinical Cytology
Volume: 25
Published: 11 February 2020
10.1159/000455781
EISBN: 978-3-318-06576-3
... Abstract Ultrasound-guided fine-needle aspiration (FNA) biopsy allows for accurate sampling of mass lesions. The diagnostic information from this procedure is maximized when the pathologist is intimately involved with specimen procurement, specimen triage, and interpretation. This chapter...
Book Chapter
Series: Frontiers in Diabetes
Volume: 28
Published: 03 January 2020
10.1159/000480172
EISBN: 978-3-318-06612-8
... and monitor the fetus. US use in diabetic pregnancy is now widely consolidated, allowing early detection of congenital anomalies and assessment of fetal growth, in order to optimize timing and mode of delivery. More recently, the use of fetal ultrasound evaluations and measurements of growth has been...
Book Chapter
Series: Progress in Neurological Surgery
Volume: 32
Published: 23 July 2018
10.1159/000469678
EISBN: 978-3-318-06063-8
... Abstract Ultrasound in clinical medicine is most commonly associated with imaging, but can be harnessed to yield an array of biological effects, including thermal ablation of brain tumors. Therapeutic ultrasound has been studied for many years, but only within the last decade has the technology...
Book Chapter
Series: Progress in Neurological Surgery
Volume: 33
Published: 22 January 2018
10.1159/000481080
EISBN: 978-3-318-06202-1
... Abstract Transcranial magnetic resonance-guided focused ultrasound (MRgFUS) surgery has recently gained favor as a novel, noninvasive alternative to conventional neurosurgery. In contrast to traditional ablative interventions, transcranial MRgFUS surgery is entirely imaging-guided and uses...
Book Chapter
Series: Contributions to Nephrology
Volume: 188
Published: 18 May 2016
10.1159/000445461
EISBN: 978-3-318-05884-0
... and glomerular filtration rate. Ultrasound is a safe, non-invasive and repeatable imaging technique so it is widely used in the first level work-up of AKI. The utility of contrast-enhanced computed tomography and magnetic resonance imaging in AKI or in AKI during CKD is limited because of renal toxicity...
Book
Book Cover Image
Series: Contributions to Nephrology
Volume: 188
Published: 18 May 2016
10.1159/isbn.978-3-318-05884-0
EISBN: 978-3-318-05884-0
Book Chapter
Series: Advances in Oto-Rhino-Laryngology
Volume: 78
Published: 19 April 2016
10.1159/000442123
EISBN: 978-3-318-05802-4
...-negative rates, even under optimised circumstances. Ultrasound-guided core biopsy (USCB) provides a core of tissue that allows preservation of tissue architecture and that can be histologically and immunohistochemically examined, thereby improving the chances of a meaningful diagnosis. Although relatively...
Book Chapter
Series: Frontiers of Hormone Research
Volume: 45
Published: 21 March 2016
10.1159/000442277
EISBN: 978-3-318-02738-9
... Abstract Endoscopic ultrasound (EUS) imaging of adrenal glands and its application to diagnostic procedures of adrenal diseases has been reported since 1998. It can be considered a relevant advantage in the field of adrenal diseases. Indeed, EUS allows the detection of adrenal lesions (even...
Book Chapter
Series: Frontiers of Hormone Research
Volume: 44
Published: 11 August 2015
10.1159/000382062
EISBN: 978-3-318-02773-0
... (<1.8 mmol with high serum insulin and C-peptide). Transabdominal ultrasound and MRI demonstrated metastases in the liver, but the pancreas was normal. A single 1.2-cm, minimally hypoechoic, almost isoechoic, well-circumscribed tumor is seen to lie in the anterior portion of the pancreatic tail - just...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366222
EISBN: 978-3-318-02791-4
... Abstract Ultrasound contrast is gaining acceptance worldwide as an adjunct to conventional ultrasound imaging. It has clinical applications as diverse as liver disease detection and characterization, myocardial perfusion and wall motion studies, and imaging of cerebral vascularity and perfusion...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366223
EISBN: 978-3-318-02791-4
... Abstract Microbubble ultrasound contrast agents have been in clinical use for more than two decades, during which time their range of applications has increased to encompass echocardiography, Doppler enhancement, perfusion studies and molecular imaging, as well as a number of therapeutic...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366233
EISBN: 978-3-318-02791-4
... Abstract The responsibility for safe ultrasound applications has been devolved to the user with the introduction of displayed safety indices on the scanner screen. It is therefore essential that the mechanisms of interaction of the ultrasound beam with the tissue being interrogated are properly...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366237
EISBN: 978-3-318-02791-4
... Abstract In the last several years, great progress has been made in ultrasound perfusion imaging of the brain. Different approaches have been assessed and shown to be capable of the early detection of cerebral perfusion deficits in stroke patients. Real-time low-mechanical index imaging...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366241
EISBN: 978-3-318-02791-4
... Abstract The idea to ablate brain tissue with high-intensity focused ultrasound (HIFU) in a highly precise and localized manner is relatively old. For HIFU tissue ablation, ultrasound (US) waves are concentrated to a focal point. Due to US absorption, the focal area will be heated...
Book Chapter
Series: Frontiers of Neurology and Neuroscience
Volume: 36
Published: 16 December 2014
10.1159/000366242
EISBN: 978-3-318-02791-4
... Abstract Treatment of central nervous system (CNS) diseases is highly limited due to the presence of the blood-brain barrier (BBB), which prevents the entry of approximately 99% of potential therapeutic agents into the CNS. Focused ultrasound (FUS) in combination with microbubbles can lead...
Book
Book Cover Image
Series: Karger eBooks Non-Series Collection
Published: 22 May 2014
10.1159/isbn.978-3-318-02397-8
EISBN: 978-3-318-02397-8
Book Chapter
Book Chapter
Series: Frontiers of Radiation Therapy and Oncology
Volume: 42
Published: 07 December 2009
10.1159/000262460
EISBN: 978-3-8055-9299-4
... Abstract Endobronchial ultrasound (EBUS) has emerged as a new diagnostic tool that allows the bronchoscopist to see beyond the airway. The radial probe EBUS was first introduced to evaluate the airway structure, which has been shown to be useful for identifying the extent of tumor invasion...