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Related papers: Interactive Volumetry Of Liver Ablation Zones

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Radiofrequency ablation (RFA) is a widely used minimally invasive technique for ablating solid tumors. Achieving precise personalized treatment necessitates feedback information on in situ thermal effects induced by the RFA procedure. While…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Minwoo Shin , Minjee Seo , Seonaeng Cho , Juil Park , Joon Ho Kwon , Deukhee Lee , Kyungho Yoon

Purpose: Radio-frequency ablations play an important role in the therapy of malignant liver lesions. The navigation of a needle to the lesion poses a challenge for both the trainees and intervening physicians. Methods: This publication…

Medical Physics · Physics 2019-07-18 Niclas Kath , Heinz Handels , Andre Mastmeyer

Radiofrequency catheter ablation (RFCA) is an effective treatment for cardiac arrhythmias. Although generally safe, it is not completely exempt from the risk of complications. The great flexibility of computational models can be a major…

Numerical Analysis · Mathematics 2019-10-25 Argyrios Petras , Massimiliano Leoni , Jose M. Guerra , Johan Jansson , Luca Gerardo-Giorda

Percutaneous thermal ablation is a minimally-invasive treatment option for renal cancer. To treat larger tumours, multiple overlapping ablations zones are required. Arrangements with a low number of ablation zones but coverage of the whole…

MRI-guided High Intensity Focused Ultrasound (MRI-HIFU) is a promising method for the non-invasive ablation of pathological tissue in many organs, including mobile organs such as liver and kidney. The possibility to locally deposit thermal…

Medical Physics · Physics 2020-12-01 Baudouin Denis de Senneville , Chrit Moonen , Mario Ries

Induction of thermal damage to tissue through delivery of microwave energy is frequently applied in surgery to destroy diseased tissue such as cancer cells. Minimization of unwanted harm to healthy tissue is still achieved subjectively, and…

Ultrasound (US) is the most commonly used liver imaging modality worldwide. It plays an important role in follow-up of cancer patients with liver metastases. We present an interactive segmentation approach for liver tumors in US…

Computer Vision and Pattern Recognition · Computer Science 2016-06-29 Jan Egger , Philip Voglreiter , Mark Dokter , Michael Hofmann , Xiaojun Chen , Wolfram G. Zoller , Dieter Schmalstieg , Alexander Hann

Objective: In this review, we aim to provide an analysis of current cardiac ablation techniques, such as radiofrequency ablation (RF), cryoablation, and pulsed-field ablation (PFA), with a focus on the role of computational modeling in…

Surgical resection of hepatic tumours is not always possible, since it depends on different factors, among which their location inside the liver functional segments. Alternative techniques consist in local use of chemical or physical agents…

Medical Physics · Physics 2007-05-23 David Voirin , Yohan Payan , Miriam Amavizca , Christian Letoublon , Jocelyne Troccaz

Ultrasound (US) is the most commonly used liver imaging modality worldwide. Due to its low cost, it is increasingly used in the follow-up of cancer patients with metastases localized in the liver. In this contribution, we present the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-19 Jan Egger , Dieter Schmalstieg , Xiaojun Chen , Wolfram G. Zoller , Alexander Hann

Thermal ablation is a minimally invasive procedure for treat-ing small or unresectable tumors. Although CT is widely used for guiding ablation procedures, the contrast of tumors against surrounding normal tissues in CT images is often poor,…

Image and Video Processing · Electrical Eng. & Systems 2019-07-31 Dongming Wei , Sahar Ahmad , Jiayu Huo , Wen Peng , Yunhao Ge , Zhong Xue , Pew-Thian Yap , Wentao Li , Dinggang Shen , Qian Wang

Tumor detection in biomedical imaging is a time-consuming process for medical professionals and is not without errors. Thus in recent decades, researchers have developed algorithmic techniques for image processing using a wide variety of…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Laramie Paxton , Yufeng Cao , Kevin R. Vixie , Yuan Wang , Brian Hobbs , Chaan Ng

In surgical oncology, it is challenging for surgeons to identify lymph nodes and completely resect cancer even with pre-operative imaging systems like PET and CT, because of the lack of reliable intraoperative visualization tools.…

Image and Video Processing · Electrical Eng. & Systems 2023-07-10 Baoru Huang , Yicheng Hu , Anh Nguyen , Stamatia Giannarou , Daniel S. Elson

Finite element method applications are a common approach to simulate a handful of phenomena but can take a lot of computing power, causing elevated waiting time to produce precise results. The radiofrequency ablation finite element method…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-23 Marcelo Cogo Miletto , Claudio Schepke , Lucas Mello Schnorr

Today's mechanical tools for bone cutting (osteotomy) cause mechanical trauma that prolongs the healing process. Medical device manufacturers aim to minimize this trauma, with minimally invasive surgery using laser cutting as one…

Medical Physics · Physics 2024-06-25 Carlo Seppi , Philippe C. Cattin

Image segmentation plays an essential role in medicine for both diagnostic and interventional tasks. Segmentation approaches are either manual, semi-automated or fully-automated. Manual segmentation offers full control over the quality of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-21 Tomas Sakinis , Fausto Milletari , Holger Roth , Panagiotis Korfiatis , Petro Kostandy , Kenneth Philbrick , Zeynettin Akkus , Ziyue Xu , Daguang Xu , Bradley J. Erickson

The present paper deals with the study of the fluence rate over both healthy and tumor tissues in the presence of focal laser ablation (FLA). We propose new analytical solutions for the coupled partial differential equations (PDE) system,…

Analysis of PDEs · Mathematics 2025-04-23 Luisa Consiglieri

Clinical thermal ablation outcomes display significant variability that classical bio-heat models cannot fully explain. One reason may lie in the fractal architecture of biological tissues, which has been identified as a robust biomarker…

Statistical Mechanics · Physics 2026-03-18 Mario Olmo-Fajardo , Alexander López , Malte Henkel , Sébastien Fumeron

Breast cancer is a prominent health concern worldwide, currently being the secondmost common and second-deadliest type of cancer in women. While current breast cancer diagnosis mainly relies on mammography imaging, in recent years the use…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Tamir Shor , Chaim Baskin , Alex Bronstein

We propose a fully-automated method for accurate and robust detection and segmentation of potentially cancerous lesions found in the liver and in lymph nodes. The process is performed in three steps, including organ detection, lesion…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Assaf Hoogi , John W. Lambert , Yefeng Zheng , Dorin Comaniciu , Daniel L. Rubin
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