Results 281 to 290 of about 18,068,881 (316)

High-Intensity Focused Ultrasound Ablation of Pancreatic Cancer

Digestive Disease Interventions, 2019
AbstractPancreatic cancer is one of the leading causes of cancer deaths, and many patients, with advanced disease, suffer from severe pain that can heavily affect their quality of life. In patients with advanced disease, an eminent role is played by percutaneous techniques, which cause tumor necrosis with a minimally invasive approach.
Gianluca Maria Varano, Giovanni Mauri, Luca Mascagni, Paolo Della Vigna, Guido Bonomo, Daniele Maiettini, Franco Orsi   +6 more
openaire   +1 more source

Long-term Clinical Outcomes of US-Guided High-Intensity Focused Ultrasound Ablation for Symptomatic Submucosal Fibroids: A Retrospective Comparison with Uterus-Sparing Surgery.

Academic Radiology, 2020
RATIONALE AND OBJECTIVES Uterus-sparing surgery and ultrasound (US)-guided high-intensity focused ultrasound (HIFU) ablation are both treatment options for symptomatic submucosal fibroids. No study had compared the long-term clinical outcomes between the
Yang Wang, Xin Liu, Wei Wang, Jie Tang, Lei Song   +4 more
semanticscholar   +1 more source

High intensity focused ultrasound ablation and antitumor immune response

The Journal of the Acoustical Society of America, 2013
The ideal cancer therapy not only induces the death of all localized tumor cells without damage to surrounding normal tissue, but also activates a systemic antitumor immunity. High intensity focused ultrasound (HIFU) has the potential to be such a treatment, as it can non-invasively ablate a targeted tumor below the skin surface, and may subsequently ...
openaire   +2 more sources

In vitro ablation of cardiac valves using high-intensity focused ultrasound

Ultrasound in Medicine & Biology, 2005
The purpose of this study was to evaluate the possibility of using high-intensity focused ultrasound (US), or HIFU, to create lesions in cardiac valves in vitro. Calf mitral valves and aortic valves were examined. Focused US energy was applied with an operating frequency of 4.67 MHz at a nominal acoustic power of 58 W for 0.2, 0.3 and 0.4 s at 4-s ...
Ryo, Otsuka, Kana, Fujikura, Kumiko, Hirata, Todd, Pulerwitz, Yukiko, Oe, Takeki, Suzuki, Robert, Sciacca, Charles, Marboe, Jie, Wang, Daniel, Burkhoff, Robert, Muratore, Frederic L, Lizzi, Shunichi, Homma   +12 more
openaire   +2 more sources

Magnetic Resonance Imaging Parameters in Predicting the Treatment Outcome of High-intensity Focused Ultrasound Ablation of Uterine Fibroids With an Immediate Nonperfused Volume Ratio of at Least 90.

Academic Radiology, 2018
RATIONALE AND OBJECTIVES We aimed to investigate the role of magnetic resonance imaging parameters in predicting the treatment outcome of high-intensity focused ultrasound (HIFU) ablation of uterine fibroids with a nonperfused volume (NPV) ratio of at ...
B. Keserci, D. Nguyen
semanticscholar   +1 more source

Generation of uniform lesions in high intensity focused ultrasound ablation

Ultrasonics, 2013
High intensity focused ultrasound (HIFU) is emerging as an effective oncology treatment modality according to the clinical experience in the last decade. The temperature at the focus can reach over 65°C within seconds, denaturing cellular proteins and resulting in coagulative necrosis.
openaire   +2 more sources

Generating Uniform Lesions in High Intensity Focused Ultrasound Ablation

Proceedings of Meetings on Acoustics, 2012
High intensity focused ultrasound (HIFU) is emerging as an effective oncology treatment modality. Because of thermal diffusion from nearby spots, the lesion size will gradually become larger as HIFU progresses. However, uniform lesions with the least energy exposure are preferred by the physician in tumor ablation.
openaire   +1 more source

Tissue Ablation in Benign Prostatic Hyperplasia with High Intensity Focused Ultrasound

Journal of Urology, 1994
In a phase I clinical trial the morphological impact and safety of high intensity focused ultrasound administered transrectally for tissue ablation in prostates from 22 patients undergoing subsequent prostatectomy were evaluated. Location and size of the tissue lesions correlated well with the predefined target area and revealed sharply delineated ...
S, Madersbacher, C, Kratzik, M, Susani, M, Marberger   +3 more
openaire   +2 more sources

Extracorporeally induced ablation of renal tissue by high‐intensity focused ultrasound

BJU International, 2006
Authors from Germany describe the use of percutaneously applied high‐intensity focused ultrasound for non‐invasive tissue ablation. They found that the lessons they learned from the use of this technology in animals could be transferred to its use in humans, both of which are described.
Axel, Häcker, Maurice S, Michel, Ernst, Marlinghaus, Kai U, Köhrmann, Peter, Alken   +4 more
openaire   +2 more sources

Tissue ablation using an acoustic waveguide for high‐intensity focused ultrasound

Medical Physics, 1997
High‐intensity focused ultrasound (HIFU) has been shown capable of selective tissue destruction in humans, with promise as a tool for ablation of tumors, although one practical problem is reflection of sound at gas or bony interfaces within the body.
F G, Sommer, T S, Sumanaweera, G, Glover
openaire   +2 more sources