Search Results - "N'DJIN, William A"

MR Imaging—controlled Transurethral Ultrasound Therapy for Conformal Treatment of Prostate Tissue: Initial Feasibility in Humans by CHOPRA, Rajiv, COLQUHOUN, Alexandra, BRONSKILL, Michael, KLOTZ, Laurence, BURTNYK, Mathieu, N'DJIN, William A, KOBELEVSKIY, Ilya, BOYES, Aaron, SIDDIQUI, Kashif, FOSTER, Harry, SUGAR, Linda, HAIDER, Masoom A

“…To evaluate the feasibility and safety of magnetic resonance (MR) imaging-controlled transurethral ultrasound therapy for prostate cancer in humans. This pilot…”
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Thermal Ablation by High-Intensity-Focused Ultrasound Using a Toroid Transducer Increases the Coagulated Volume. Results of Animal Experiments by Melodelima, David, N'Djin, William A, Parmentier, Hubert, Chesnais, Sabrina, Rivoire, Michel, Chapelon, Jean-Yves

“…Abstract Surgical resection is the only treatment of colorectal liver metastases that can ensure long-term survival and cure in some patients. However, only…”
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Ultrasound surgery with a toric transducer allows the treatment of large volumes over short periods of time by Melodelima, David, N'Djin, William A., Parmentier, Hubert, Chesnais, Sabrina, Rivoire, Michel, Chapelon, Jean-Yves

“…Thermal ablation by physical agents is widely used in clinical settings, but it generally results in a small coagulated volume. Here, we report that a…”
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Toric HIFU Transducer for Large Thermal Ablation by Melodelima, D., N'Djin, W.A., Parmentier, H., Rivoire, M., Chapelon, J.-Y.

“…A new geometry of High Intensity Focused Ultrasound (HIFU) transducer is described to enlarge the coagulated volume and decrease treatments time. Eight…”
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Comparative study of the effects of respiratory motion on in-vivo HIFU treatments in the liver by Melodelima, D., N'Djin, W.A., Miller, N.R., Bamber, J.C., Chapelon, J.-Y.

“…Current development of HIFU strategies for the treatment of localized abdominal tumors are limited by organ motion during respiration. In preliminary studies,…”
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Original contribution: Thermal Ablation by High-Intensity-Focused Ultrasound Using a Toroid Transducer Increases the Coagulated Volume. Results of Animal Experiments by Melodelima, David, N'Djin, William A, Parmentier, Hubert, Chesnais, Sabrina, Rivoire, Michel, Chapelon, Jean-Yves

“…Surgical resection is the only treatment of colorectal liver metastases that can ensure long-term survival and cure in some patients. However, only 20% of…”
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Thermal ablation of liver tumors by high-intensity-focused ultrasound using a toroid transducer. Results of animal experiments by Melodelima, D., N'Djin, W.A., Battais, A., Chesnais, S., Rivoire, M., Chapelon, J.-Y.

“…The aim of this study was to demonstrate in a rabbit liver tumor model that high intensity focused ultrasound (HIFU) produced with toroidal-shaped emitters may…”
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