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German text, english abstract: Mortality in gynecologic cancers, including cervical, ovarian, vaginal and vulvar cancers, is more than 6% internationally [1]. In many countries external radiotherapy is supplemented by brachytherapy with…

医学物理 · 物理学 2018-03-13 Andre Mastmeyer

Purpose: To present an efficient NEEdle Position Optimization (NEEPO) algorithm for prostate rotating shield brachytherapy (RSBT). With RSBT, the increased flexibility beyond conventional high-dose-rate brachytherapy (HDR-BT) due to the…

In 2010, gynecologic malignancies were the 4th leading cause of death in U.S. women and for patients with extensive primary or recurrent disease, treatment with interstitial brachytherapy may be an option. However, brachytherapy requires…

系统与控制 · 计算机科学 2014-04-25 Xiaojun Chen , Jan Egger

Tissue biopsy is the gold standard for diagnosing many diseases, involving the extraction of diseased tissue for histopathology analysis by expert pathologists. However, this procedure has two main limitations: 1) Manual sampling through…

机器人学 · 计算机科学 2025-09-03 Fanxin Wang , Yikun Cheng , Chuyuan Tao , Rohit Bhargava , Thenkurussi Kesavadas

Prostate cancer represents a major threat to health. Early detection is vital in reducing the mortality rate among prostate cancer patients. One approach involves using multi-modality (CT, MRI, US, etc.) computer-aided diagnosis (CAD)…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Rui Jin , Derun Li , Dehui Xiang , Lei Zhang , Hailing Zhou , Fei Shi , Weifang Zhu , Jing Cai , Tao Peng , Xinjian Chen

This paper describes a learning environment for image-guided prostate biopsies in cancer diagnosis; it is based on an ultrasound probe simulator virtually exploring real datasets obtained from patients. The aim is to make the training of…

其他计算机科学 · 计算机科学 2010-11-10 Janssoone Thomas , Grégoire Chevreau , Lucile Vadcard , Pierre Mozer , Jocelyne Troccaz

Radiologists often mix medical image reading strategies, including inspection of individual modalities and local image regions, using information at different locations from different images independently as well as concurrently. In this…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Xiangcen Wu , Shaheer U. Saeed , Yipei Wang , Ester Bonmati Coll , Yipeng Hu

This paper describes a simulator of ultrasound-guided prostate biopsies for cancer diagnosis. When performing biopsy series, the clinician has to move the ultrasound probe and to mentally integrate the real-time bi-dimensional images into a…

机器人学 · 计算机科学 2009-02-10 Stefano Sclaverano , Grégoire Chevreau , Lucile Vadcard , Pierre Mozer , Jocelyne Troccaz

Prostate cancer (PCa) poses a significant threat to men's health, with early diagnosis being crucial for improving prognosis and reducing mortality rates. Transrectal ultrasound (TRUS) plays a vital role in the diagnosis and image-guided…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Haiqiao Wang , Hong Wu , Zhuoyuan Wang , Peiyan Yue , Dong Ni , Pheng-Ann Heng , Yi Wang

Prostate cancer diagnosis through MR imaging have currently relied on radiologists' interpretation, whilst modern AI-based methods have been developed to detect clinically significant cancers independent of radiologists. In this study, we…

图像与视频处理 · 电气工程与系统科学 2026-01-09 Xiangcen Wu , Yipei Wang , Qianye Yang , Natasha Thorley , Shonit Punwani , Veeru Kasivisvanathan , Ester Bonmati , Yipeng Hu

The size and geometry of the prostate are known to be pivotal quantities used by clinicians to assess the condition of the gland during prostate cancer screening. As an alternative to palpation, an increasing number of methods for…

计算机视觉与模式识别 · 计算机科学 2009-10-01 Robert Sheng Xu , Oleg Michailovich , Magdy Salama

Worldwide, prostate cancer is one of the main cancers affecting men. The final diagnosis of prostate cancer is based on the visual detection of Gleason patterns in prostate biopsy by pathologists. Computer-aided-diagnosis systems allow to…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Amartya Kalapahar , Julio Silva-Rodríguez , Adrián Colomer , Fernando López-Mir , Valery Naranjo

Objective: Mapping of transrectal ultrasonographic (TRUS) prostate biopsies is of fundamental importance for either diagnostic purposes or the management and treatment of prostate cancer, but the localization of the cores seems inaccurate.…

Purpose: To determine whether alternative HDR prostate brachytherapy catheter patterns can result in improved dose distributions while providing better access and reducing trauma. Methods: Prostate HDR brachytherapy uses a grid of parallel…

医学物理 · 物理学 2015-05-13 J. Adam M. Cunha , I-Chow Hsu , Jean Pouliot

Robot-assisted laparoscopic prostatectomy (RALP) is a treatment for prostate cancer that involves complete or nerve sparing removal prostate tissue that contains cancer. After removal the bladder neck is successively sutured directly with…

Medical imaging based prostate cancer diagnosis procedure uses intra-operative transrectal ultrasound (TRUS) imaging to visualize the prostate shape and location to collect tissue samples. Correct tissue sampling from prostate requires…

计算机视觉与模式识别 · 计算机科学 2019-03-22 M. S. Hossain , A. P. Paplinski , J. M. Betts

Cervical cancer is one of the leading causes of death in women, and brachytherapy is currently the primary treatment method. However, it is important to precisely define the extent of paracervical tissue invasion to improve cancer diagnosis…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Jjahao Zhang , Yin Gu , Deyu Sun , Yuhua Gao , Ming Gao , Ming Cui , Teng Zhang , He Ma

Deep neural networks have introduced significant advancements in the field of machine learning-based analysis of digital pathology images including prostate tissue images. With the help of transfer learning, classification and segmentation…

Radiotherapy is one of the main methods in the successful treatment of cancer. The tumor is irradiated with photons or charged particles (e.g. protons), and in the case of massive charged particles, the treatment results in less unnecessary…

医学物理 · 物理学 2019-03-20 Monika Varga-Kofarago

Computed Tomography (CT) image guidance enables accurate and safe minimally invasive treatment of diseases, including cancer and chronic pain, with needle-like tools via a percutaneous approach. The physician incrementally inserts and…

机器人学 · 计算机科学 2024-02-06 Dimitrious Schreiber , Zhaowei Yu , Taylor Henderson , Derek Chen , Alexander Norbasha , Michael C. Yip