نتایج جستجو برای: polyp detection rate

تعداد نتایج: 1479463  

Journal: :Radiographics : a review publication of the Radiological Society of North America, Inc 2002
Hiroyuki Yoshida Janne Näppi Peter MacEneaney David T Rubin Abraham H Dachman

Colon cancer is one of the leading causes of cancer deaths in the United States. However, most colon cancers can be prevented if precursor colonic polyps are detected and removed. An advanced computer-aided diagnosis (CAD) scheme was developed for the automated detection of polyps at computed tomographic (CT) colonography. A region encompassing the colonic wall is extracted from an isotropic vo...

2016
M. Nakura T. Miyashita S. Kanou S. Takada Y. Yamamoto T. Ohta E. Morello S. Sutti S. Cannito B. Foglia S. Bruzzì E. Novo C. Bocca G. Villano P. Pontisso E. Bugianesi E. Albano M. Parola R. Lupusoru I. Sporea A. Popescu R.L.D. Sirli M. Danila A. Stepan R. G. Mare F. Bende X. Liu H. He Y. Nie C. M. Chackelevicius P. J. Giraudi S. E. Gambaro S. Palmisano M. Giuricin N. Demanzini D. Bonazza F. Zanconati C. Tiribelli N. Rosso A.L. Simão M.B. Afonso P.M. Rodrigues C.M.P. Rodrigues R.E. Castro R. Bansal B. Öztürk G. Storm J. Prakash B. Mohar Vitezic S. Milic M. Čarapina D. Kovač D. Stimac B. Grahovac Y. Bi M. Min Y. Liu E. Sklyarov O. Bochar V. Bochar A. Sydorchuk R. Sydorchuk P. Fomin L. Sydorchuk I. Sydorchuk D. Branquinho A. Oliveira C. Gregório C. Sofia T. Karakan C. Erdoğdu M. Yalınay E. Fuchs N. Pfisterer F. Pleininger C. Illiasch J. Feichtinger T. Reiberger C. Madl S. Schulze M. Lu B. Holzmann H. Friess N. Hüser D. Hartmann E.I. Sharipova A. Titova A. Shafigullina E. Garanina M.O. Mavlikeev G. Pevnev G.R. Burganova A.A. Gumerova M.A. Titova A. Rizvanov A.P. Kiyasov A. Eshraghian S. Iravani P. Azimzadeh M.K. K. Neijenhuis S. M. h. Verheesen M. C. Hogan J. A. Sloan W. Kievit T.J.G. Gevers J.P. h. Drenth Y. Chen C. Xu C. Yu Y. Li M.A. Munteanu G. A. Nagy M. Gordan S. D. Valean M. Iancu P. A. Mircea J. Ye M. Li W. Yanqin B. Zhong M. Celikbilek Z.T. Ozdemir A. Aktas T. Yildirim H. I. Serin A. Castiella Eguzkiza E. Zapata I. Urreta J. M. Alustiza E. Salvador P. Otazua M. D. De Juan G. Letamendi B. Arrizabalaga L. Zubiaurre U. Mendarte M. L. Rincon J.I. Emparanza R. Li A.G. G. Antunes C. Teixeira A. Vaz C. Martins P. Queirós A. Alves B.M. Santos Peixe A. P. Oliveira H. Guerreiro T. Bucsics M. Schoder M. Diermayr M. Feldner-Busztin N. Göschl P. Schwabl M. Mandorfer B. Angermayr M. Cejna A. Ferlitsch W. Sieghart M. Trauner M. Peck-Radosavljevic J. Karner F. Karnel T. Reiberger E. M. Abdelaal E. S. Tharwa S. Abbas M. a. Eljaky I. Copaci L. Micu S. Ioanitescu G. Chiriac I. Lupescu E. Soares M. Gravito-Soares C. Lérias S. Lopes D. Gomes P. Figueiredo C. Agostinho L. Tomé T. Gago J. Roseira P. Sousa D. Martins J. Pinho J. Fernandes R. Araújo E. Cancela A. Castanheira P. Ministro A. Silva T. Ichikawa N. Machida H. Sasaki I. Aoki M. Attalla E. Adel A.T. Abdelmoez Z. M. Hefny M. A. El Zahry V. Anapaz J. Carvalho E. Branco M. Cardoso R. Carvalho L. Santos A. Martins J. Reis M. Silva A. Albuquerque H. Cardoso A. Peixoto R. Gaspar G. Macedo R. Coelho M. Silva A. Peixoto H. Ribeiro R. Gaspar R. Gonçalves P. Pereira H. Cardoso G. Macedo S. Vitor S.R. R. Fernandes P. Alexandrino R.T. Marinho J. Velosa P. Buggisch H. Löhr G. Teuber H. Steffens M. Kraus P. Geyer B. Weber T. Witthöft U. Naumann E. Zehnter D. Hartmann B. Dreher M. Bilzer G. V. Papatheodoridis J. Goulis S. Manolakopoulos C. Triantos K. Zachou M. Papatheodoridi A. Koukofiki A. Kourikou C. Τsoulas K. Zisimopoulos G. Dalekos S. Abd-Elsalam M. Sharaf-Eldin Y. Ahmad S. Tawefeek M. Rocha J. C. Sousa T. Moreira J.M. Ferreira I. Pedroto S. Barakat W. El-Gendy S. Hefny E. Shehata M. Abd El-Kader A. Mansour R.L.D. Sirli C. Ivascu-Siegfried T. Voicu Moga A. Popescu M. Danila I. Sporea E. Liusina C. Pavlov V. Ivashkin L. Carlo Pescatori G.E. Tontini R. Casale C. Messina D. Orlandi G. Di Leo F. Sardanelli L. M. Sconfienza I. Sporea R. G. Mare L. Sandulescu A. Popescu R.L.D. Sirli M. Danila M. Danila O. Negm S. Abou Saif M. El Gharib M. Yousef A. Facciorusso M. Di Maso N. Muscatiello A. S. Hanafy C. Yaghi J. Hajal R. Sayegh R. Slim Karam A. Abou Rached J. Bou Jaoude K. Honein Z.A. Sparchez P. Radu I. Groza C. Iancu N. Al Hajjar S. Jo D.H. Sinn S.W. Shin S.K. Cho W. Kang G. Gwak J.H. Lee K.C. Koh S.W. Paik M.S. Choi F. Ravaioli A. Colecchia G. Marasco R. Masetti K. Kleinschmidt A. Prete A. Pession D. Festi K. Zhu W. Zhou L. Miao J. Yan W. Meng L. Zhang X. Zhu X. Wang H. Wang N. Sakiyama A. Suzuki K. Tanaka X. Li S. Jang Y. Choi K. Ryu S. Han K. Yu Y. Kang K. Huh T. Lee K. Song H. Koo M. Kang A. Sydorchuk L. Sydorchuk S. Ivashuk O. Plehutsa I. Sydorchuk R. Sydorchuk F. Nevens P. Andreone G. Mazzella S. Strasser C. Bowlus P. Invernizzi J.P. h. Drenth P. Pockros J. Regula A. Floreani S. Hohenester V. Luketic M. Shiffman K. Van Erpecum V. Vargas C. Vincent B. Hansen L. Macconell T. Marmon D. Shapiro R. Quispel M. Van Der Voort L. M. Van Driel B. Veldt M.J. Bruno P.T. Kroener Á. Martínez-Alcalá I. Jovanovic M. A. D’Assuncao H. Neumann K. Mönkemüller J. Garcia Cano L. Taberna-Arana Y. Tanisaka S. Ryozawa H. Iwano M. Harada T. Kobatake S. Arai Y. Mashimo G. Semadeni R. Frei C. Meyenberger M.C. Sulz J. Borovicka U. Kumar J. P. Gutierrez J.H. Yoon D.H. Koh Y.J. Kim A. Yamaguchi Y. Miyasako T. Takasago Y. Sumida T. Nishimura S. Iio H. Imagawa T. Yamaguchi T. Kuwai H. Kouno J.K. Lee D.K. Jang J.H. Son J.W. Lee S.H. Lee J.K. Ryu Y. Kim K. Lee N. L. h. Bekkali A. Winstanley G. J. m. Webster A. Mori S. Ito M. Sawada T. Yumura H. Hachiya S. Hayashi N. Ohashi B. Son K. Min D. Kim E. Kim P.N. N. Desai M. V. Kabrawala K. Ishigaki H. Kogure A. Yamada H. Isayama G. Umefune D. Akiyama K. Takagi T. Watanabe R. Uchino N. Takahara S. Mizuno S. Matsubara N. Yamamoto Y. Nakai T. Sasaki M. Matsuyama N. Sasahira M. Tada K. Koike S.Y. Seo I.S. Min D. Kim S.B. Kim S.H. Kim I.H. Kim S.W. Kim S.T. Lee D.G. Kim S.O. Lee Y. Choi J.H. Han H.B. Chae S.M. Park R. Daegon D. Kang H. Kim C. Choi S. Park S. Kim H. Nam H. Jang J. Cho J. Park J. Li Y. Xie F. Yuan B. Song W. Yang C. Tang L. Huang H. Tong Z. Huang K.N. Saifullina A. Abdulkhakova A. Galyavieva G. Pevnev

legend N2D N1D 2LPEG N2D vs. 2LPEG N1D vs. 2LPEG EFFICACY Primary analysis set, n1⁄4 275 Primary analysis set, n1⁄4 275 Primary analysis set, n1⁄4 272 Primary endpoint: Patients with successful overall bowel cleansing efficacy (HCS) [n] 253 (92.0%) 245 (89.1%) 238 (87.5%) -4.00%* [0.055] -6.91%* [0.328] Supportive secondary endpoint: Patients with successful overall bowel cleansing efficacy (BB...

Journal: :Medical physics 2010
Kenji Suzuki Don C Rockey Abraham H Dachman

PURPOSE The purpose of this study was to develop an advanced computer-aided detection (CAD) scheme utilizing massive-training artificial neural networks (MTANNs) to allow detection of "difficult" polyps in CT colonography (CTC) and to evaluate its performance on false-negative (FN) CTC cases that radiologists "missed" in a multicenter clinical trial. METHODS The authors developed an advanced ...

2015
Sungheon Park Nojun Kwak

This paper summarizes the method of polyp detection in colonoscopy images and provides preliminary results to participate in ISBI 2015 Grand Challenge on Automatic Polyp Detection in Colonoscopy videos. The key aspect of the proposed method is to learn hierarchical features using convolutional neural network. The features are learned in different scales to provide scale-invariant features throu...

2001
B. Acar C. F. Beaulieu D. S. Paik S. B. Göktürk C. Tomasi J. Yee S. Napel

bstractMost current computer-aided detection (CAD) gorithms for the fully automatic detection of colonic polyps om 3D CT data suffer from high false positive rates. We eveloped and evaluated a post-processing algorithm to decrease e false positive rate of such a method. Our method attempts to odel the way a radiologist recognizes a polyp while scrolling a oss-sectional plane through 3D CT data ...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2015
Khalil Ur Rehman Muhammad Omar Qureshi Nasir Khokhar Farzana Shafqat Mohammad Salih

OBJECTIVE To document the quality of colonoscopy practice and the pattern of colonic disease including polyp detection rate at Shifa International Hospital, Islamabad, Pakistan. STUDY DESIGN An observational study. PLACE AND DURATION OF STUDY Shifa International Hospital, Islamabad, Pakistan, from May 2013 to June 2014. METHODOLOGY This retrospective study recorded demographics of patient...

2017
Mustain Billah Sajjad Waheed Mohammad Motiur Rahman

Gastrointestinal polyps are considered to be the precursors of cancer development in most of the cases. Therefore, early detection and removal of polyps can reduce the possibility of cancer. Video endoscopy is the most used diagnostic modality for gastrointestinal polyps. But, because it is an operator dependent procedure, several human factors can lead to misdetection of polyps. Computer aided...

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