Results 121 to 130 of about 395,349 (427)
Perioperative infection prophylaxis and risk factor impact in colon surgery [PDF]
, 2000 Background: A prospective observational study was undertaken in 2,481 patients undergoing elective colon resection in 114 German centers to identify optimal drug and dosing modalities and risk factors for postoperative infection.
Kohler, L. +5 more
core +1 more source
Journal of Applied Clinical Medical Physics, EarlyView.Abstract This study evaluates various radiotherapy techniques for treating metastatic brain tumor (BT), focusing on non‐coplanar volumetric modulated arc radiotherapy (NC‐VMAT), coplanar VMAT (C‐VMAT), Helical TomoTherapy (HT), CyberKnife (CK), Gamma Knife (GK), and ZAP‐X.
Toshihiro Suzuki +9 more
wiley +1 more source
K-ras and p53 mutations in colonic lavage fluid of patients with colorectal neoplasias [PDF]
, 2001 Background: The adenoma-carcinoma sequence has its molecular basis in several gene mutations of which K-ras and p53 are of paramount importance. The aims of this study were to evaluate whether these genetic alterations can be detected in colonic lavage ...
Folwaczny, Christian +3 more
core +1 more source
Definition of the rectum and level of the peritoneal reflection – still a matter of debate?
Wideochirurgia i inne techniki maloinwazyjne = Videosurgery and other miniinvasive techniques, 2013 Introduction Pathological lesions of the rectum are common and their management requires detailed knowledge of pelvic anatomy. There has been considerable debate as to the definition of the rectum and the variability of the level of the peritoneal ...
J. Kenig, P. Richter
semanticscholar +1 more source
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose The Bravos v1.2 control software introduces a ring applicator component type (ACT) with channel length verification to address geometric characteristics and dosimetric discrepancies caused by source positioning inaccuracies. This study aims to commission the ring applicator and investigate the new ring ACT in Bravos 1.2.
Xiuxiu He +4 more
wiley +1 more source
Fast dose optimization for rotating shield brachytherapy [PDF]
, 2017 Purpose: To provide a fast computational method, based on the proximal graph solver (POGS) - a convex optimization solver using the alternating direction method of multipliers (ADMM), for calculating an optimal treatment plan in rotating shield brachytherapy (RSBT).
arxiv +1 more source
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Current radiotherapy practices rely on manual contouring of CT scans, which is time‐consuming, prone to variability, and requires highly trained experts. There is a need for more efficient and consistent contouring methods. This study evaluated the performance of the Varian Ethos AI auto‐contouring tool to assess its potential integration into
Robert N. Finnegan +6 more
wiley +1 more source
Initial results of treatment of rectal cancer using the neoadjuvant treatment [PDF]
Scripta Medica, 2014 Introduction. Treatment of rectal cancer needs additional preoperative improvements that would decrease tumor volume and move away the lower edge of the tumor from a dentate line, allowing a higher percentage of operability and higher percentage of AR ...
Marić Zdravko +4 more
doaj
Beads-on-String Model for Virtual Rectum Surgery Simulation [PDF]
A beads-on-string model is proposed to handle the deformation and collision of the rectum in virtual surgery simulation. The idea is firstly inspired by the observation of the similarity in shape shared by a rectum with regular bulges and a string of ...
Chang, Jian +4 more
core
SpaceOAR to improve dosimetric outcomes for monotherapy high-dose-rate prostate implantation in a patient with ulcerative colitis. [PDF]
, 2018 High-dose-rate (HDR) brachytherapy is an attractive option for patients receiving definitive radiation therapy for prostate cancer with decreased overall dose to the pelvis.
Den, Robert B. +4 more
core +1 more source