نتایج جستجو برای: high intensity focused ultrasound
تعداد نتایج: 2412920 فیلتر نتایج به سال:
1419 To the Editor: Uterine rupture after high‐intensity focused ultrasound (HIFU) is rare and has not been reported previously. A 32‐year‐old primigravida at 38 weeks of gestation was admitted to the hospital with the complaints of abdominal pain but denied trauma. Her medical history revealed that an HIFU had been conducted 20 months before pregnancy, 8.2 cm in diameter, located in anterior u...
AIMS Investigation of the histopathological changes in prostatectomy specimens of patients with prostate cancer after high intensity focused ultrasound (HIFU) and identification of immunohistochemical markers for tissue damage after HIFU treatment. METHODS Nine patients diagnosed with adenocarcinoma of the prostate underwent unilateral HIFU treatment seven to 12 days before radical prostatect...
OBJECTIVES Magnetic resonance imaging (MRI)-guided high intensity focused ultrasound surgery (MRgFUS) is a newly emerging non-invasive technique for the treatment of uterine fibroids. The purpose of this study is to review the clinical impact of MRgFUS. METHODS This study examined 157 patients. The high intensity focused ultrasound (HIFU) utilized in this study was Philips Achieva 1.5 Tesla M...
This article promotes the use of High Intensity Focused Ultrasound (HIFU) as a tool for affecting the local properties of tissue engineered constructs in vitro. HIFU is a low cost, non-invasive technique used for eliciting focal thermal elevations at variable depths within tissues. HIFU can be used to denature proteins within constructs, leading to decreased permeability and potentially increas...
Q Can you update us on your research group’s current work? At the moment, I am occupying three positions in The Netherlands. For 60% of my time I am at the Utrecht University (Utrecht, The Netherlands), for 20% at the University Medical Centre Utrecht hospital (UMCU; Utrecht, The Netherlands), and the other 20% I am at the University of Twente (Enschede, The Netherlands), in the east of the cou...
In recent years, noninvasive thermal treatment by using high-intensity focused ultrasound (HIFU) has high potential in tumor treatment. The goal of this research is to develop an ultrasound imaging-guided robotic HIFU ablation system for tumor treatment. The system integrates the technologies of ultrasound image-assisted guidance, robotic positioning control, and HIFU treatment planning. With t...
High-intensity focused ultrasound (HIFU) is a non-invasive technology, which can be used occlude blood vessels in the body. Both the theory underlying and practical process of blood vessel occlusion are still under development and relatively sparse in vivo experimental and therapeutic data exist. HIFU would however provide an alternative to surgery, particularly in circumstances where serious c...
This paper simulates the temperature field generated by a high intensity focused ultrasound (HIFU) in a tissue-like material. The linear and nonlinear HIFU field are predicted respectively by solving the linear and nonlinear spherodial beam equations (SBE) using frequency domain method. And the temperature field is simulated by solving the “bioheat equation” with the finite-difference time-doma...
OBJECTIVE This study was performed to evaluate the potential clinical value of concurrent chemotherapy and pulsed high intensity focused ultrasound (HIFU) therapy (CCHT), as well as the safety of pulsed HIFU, for the treatment of unresectable pancreatic cancer. MATERIALS AND METHODS Twelve patients were treated with HIFU from October 2008 to May 2010, and three of them underwent CCHT as the m...
The clinical use of high intensity focused ultrasound (HIFU) therapy for noninvasive tissue ablation has been recently gaining momentum. In HIFU, ultrasound energy from an extracorporeal source is focused within the body to ablate tissue at the focus while leaving the surrounding organs and tissues unaffected. Most HIFU therapies are designed to use heating effects resulting from the absorption...
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