نتایج جستجو برای: ct colonography
تعداد نتایج: 135985 فیلتر نتایج به سال:
Background and aim: This paper is an official guideline of the European Society of Gastrointestinal Endoscopy (ESGE) and the European Society of Gastrointestinal and Abdominal Radiology (ESGAR). It addresses the clinical indications for the use of CT Colonography (CTC). Methods: A targeted literature search was performed to evaluate the evidence supporting the use of CTC. The Grading of Recomme...
OBJECTIVES While computed tomography colonography (CTC) has become a non-invasive alternative to traditional colonoscopy, superficial lesions tend be harder detect, with reports of <2 mm in height being missed. Therefore, for the evaluation lesion detectability using CTC, optimizing scan parameters becomes important. In this study, we investigate effect reconstructed matrix size from CTC on con...
Abstract Aim The impact of the COVID-19 pandemic on delays in diagnosis cancer has been highlighted at a national level. Such delay represents an ongoing source mortality and morbidity missing from statistics. This study examines investigation patients referred to urgent colorectal referral service single centre. Method Retrospective data was collated prospective database for all 1,894 referral...
Enhanced Computer Assisted Detection of Polyps in CT Colonography Robert Sadleir Under the supervision of Prof. Paul F. Whelan at Dublin City University Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy Dublin City University, 2006 This thesis presents a novel technique for automatically detecting colorectal polyps in CT colonography (CTC). The objective...
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