Results 21 to 30 of about 229,210 (273)

A statistical approach for robust polyp detection in CT colonography [PDF]

, 2005
In this paper we describe the development of a computationally efficient computer-aided detection (CAD) algorithm based on the statistical features derived from the local colonic surface that are used for the detection of colonic polyps in computed ...
Chowdhury, Tarik A., P.F. Whelan, Ghita, Ovidiu, O. Ghita, T.A. Chowdhury, Whelan, Paul F.   +5 more
core   +2 more sources

Shape filtering for false positive reduction at computed tomography colonography [PDF]

, 2006
In this paper, we treat the problem of reducing the false positives (FP) in the automatic detection of colorectal polyps at Computer Aided Detection in Computed Tomography Colonography (CAD-CTC) as a shape-filtering task.
Abhilash A. Miranda, Miranda, Abhilash A., Chowdhury, Tarik A., Ovidiu Ghita, Paul F. Whelan, Ghita, Ovidiu, Tarik A. Chowdhury, Whelan, Paul F.   +7 more
core   +2 more sources

A fully automatic CAD-CTC system based on curvature analysis for standard and low-dose CT data [PDF]

, 2008
Computed tomography colonography (CTC) is a rapidly evolving noninvasive medical investigation that is viewed by radiologists as a potential screening technique for the detection of colorectal polyps.
Chowdhury, Tarik A., P.F. Whelan, Ghita, Ovidiu, O. Ghita, T.A. Chowdhury, Whelan, Paul F.   +5 more
core   +3 more sources

Polyps of the rectum and colon [PDF]

Diseases of the Colon & Rectum, 1971
Four hundred and thirty-three patients with adenomatous polyps were examined and followed up. It was found that well differentiated adenomas are stable but dedifferentiated polyps can lead to invasive cancer, usually over a long period of time. Thus the concept of malignant transformation becomes meaningless, and should be replaced by an initial ...
Donald M. Gallagher, Malcolm Veidenheimer, Stanley M. Goldberg, Max Millard, Robert Feltman   +4 more
openaire   +4 more sources

Development of a synthetic phantom for the selection of optimal scanning parameters in CAD-CT colonography [PDF]

, 2006
The aim of this paper is to present the development of a synthetic phantom that can be used for the selection of optimal scanning parameters in computed tomography (CT) colonography. In this paper we attempt to evaluate the influence of the main scanning
Shane Foley, Chowdhury, Tarik A., Ovidiu Ghita, Foley, Shane J., Paul F. Whelan, Nicolas Sezille, Ghita, Ovidiu, Sezille, Ncolas, Sezille, Nicolas, Tarik A. Chowdhury, Foley, Shane, Whelan, Paul F.   +11 more
core   +2 more sources

An improved deep learning approach and its applications on colonic polyp images detection

BMC Medical Imaging, 2020
Background Colonic polyps are more likely to be cancerous, especially those with large diameter, large number and atypical hyperplasia. If colonic polyps cannot be treated in early stage, they are likely to develop into colon cancer.
Wei Wang, Jinge Tian, Chengwen Zhang, Yanhong Luo, Xin Wang, Ji Li   +5 more
doaj   +1 more source

Schistosomiasis: An Uncommon Cause of Colonic Polyposis

CHRISMED Journal of Health and Research, 2023
Schistosomiasis is a parasitic infection caused by the trematodes of the Schistosoma genus. It is one of the neglected tropical diseases, contributing significantly to health-care costs, morbidity, and mortality in the developing world.
George Sarin Zacharia, Sreekanth K Menon, Anu Jacob, Meera Jayakumar Umadevi, Junu Rajan   +4 more
doaj   +1 more source

European guidelines from the EHTG and ESCP for Lynch syndrome: an updated third edition of the Mallorca guidelines based on gene and gender

BJS (British Journal of Surgery), EarlyView., 2020
Recommendations for clinical and molecular identification of LS, surgical and endoscopic management of LS‐associated colorectal cancer and preventive measures for cancer were produced. The emphasis was on surgical and gastroenterological aspects of the cancer spectrum.
T. T. Seppälä, A. Latchford, I. Negoi, A. Sampaio Soares, R. Jimenez‐Rodriguez, L. Sánchez‐Guillén, D. G. Evans, N. Ryan, E. J. Crosbie, M. Dominguez‐Valentin, J. Burn, M. Kloor, M. von Knebel Doeberitz, F. J. B. van Duijnhoven, P. Quirke, J. R. Sampson, P. Møller, G. Möslein, on behalf of the European Hereditary Tumour Group (EHTG) and European Society of Coloproctology (ESCP)   +18 more
wiley   +1 more source

A note on feature selection for polyp detection in CT colonography [PDF]

, 2006
In this paper we describe a computer aided detection (CAD) algorithm for robust detection of polyps in computed tomography (CT) colonography. The devised algorithm identifies suspicious polyp candidate surfaces using the surface normal intersection ...
Chowdhury, Tarik A., Miranda, Abhilash A., Abhilash Mir, Ovidiu Ghita, P.F. Whelan, Paul F. Whelan, A. Miranda, Ghita, Ovidiu, O. Ghita, Tarik A. Chowdhury, T.A. Chowdhury, Whelan, Paul F.   +11 more
core   +2 more sources

An uncommon colonic polyp

Revista Española de Enfermedades Digestivas, 2022
A 50-year-old male was referred to a Gastroenterology appointment after a screening colonoscopy with a 25mm exophytic lesion, with a depressed central area, on the transverse colon. Histologic examination of the biopsy specimen showed low-grade dysplasia.
Margarida, Gonçalves, Joana Sobreiro, Silva, Ana, Rebelo, Bruno, Gonçalves   +3 more
openaire   +2 more sources