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Computer-aided diagnosis of colorectal polyp histology by using a real-time image recognition system and narrow-band imaging magnifying colonoscopy

Kominami, Yoko, MD ; Yoshida, Shigeto, MD, PhD ; Tanaka, Shinji, MD, PhD ; Sanomura, Yoji, MD, PhD ; Hirakawa, Tsubasa, ME ; Raytchev, Bisser, PhD ; Tamaki, Toru, PhD ; Koide, Tetsusi, PhD ; Kaneda, Kazufumi, PhD ; Chayama, Kazuaki, MD, PhD

Gastrointestinal endoscopy, 2016-03, Vol.83 (3), p.643-649 [Revista revisada por pares]

United States: Elsevier Inc

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Computer-aided diagnosis of colorectal polyp histology by using a real-time image recognition system and narrow-band imaging magnifying colonoscopy
Autor: Kominami, Yoko, MD ; Yoshida, Shigeto, MD, PhD ; Tanaka, Shinji, MD, PhD ; Sanomura, Yoji, MD, PhD ; Hirakawa, Tsubasa, ME ; Raytchev, Bisser, PhD ; Tamaki, Toru, PhD ; Koide, Tetsusi, PhD ; Kaneda, Kazufumi, PhD ; Chayama, Kazuaki, MD, PhD
Materias: Adenocarcinoma - diagnostic imaging ; Adenocarcinoma - pathology ; Adenoma - diagnostic imaging ; Adenoma - pathology ; Aged ; Colonic Polyps - diagnostic imaging ; Colonic Polyps - pathology ; Colonoscopy ; Colorectal Neoplasms - diagnostic imaging ; Colorectal Neoplasms - pathology ; Diagnosis, Computer-Assisted - methods ; Endoscopic Mucosal Resection ; Female ; Gastroenterology and Hepatology ; Humans ; Image Processing, Computer-Assisted - methods ; Logistic Models ; Male ; Middle Aged ; Narrow Band Imaging ; Predictive Value of Tests ; Sensitivity and Specificity
Es parte de: Gastrointestinal endoscopy, 2016-03, Vol.83 (3), p.643-649
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descripción: Background and Aims It is necessary to establish cost-effective examinations and treatments for diminutive colorectal tumors that consider the treatment risk and surveillance interval after treatment. The Preservation and Incorporation of Valuable Endoscopic Innovations (PIVI) committee of the American Society for Gastrointestinal Endoscopy published a statement recommending the establishment of endoscopic techniques that practice the resect and discard strategy. The aims of this study were to evaluate whether our newly developed real-time image recognition system can predict histologic diagnoses of colorectal lesions depicted on narrow-band imaging and to satisfy some problems with the PIVI recommendations. Methods We enrolled 41 patients who had undergone endoscopic resection of 118 colorectal lesions (45 nonneoplastic lesions and 73 neoplastic lesions). We compared the results of real-time image recognition system analysis with that of narrow-band imaging diagnosis and evaluated the correlation between image analysis and the pathological results. Results Concordance between the endoscopic diagnosis and diagnosis by a real-time image recognition system with a support vector machine output value was 97.5% (115/118). Accuracy between the histologic findings of diminutive colorectal lesions (polyps) and diagnosis by a real-time image recognition system with a support vector machine output value was 93.2% (sensitivity, 93.0%; specificity, 93.3%; positive predictive value (PPV), 93.0%; and negative predictive value, 93.3%). Conclusions Although further investigation is necessary to establish our computer-aided diagnosis system, this real-time image recognition system may satisfy the PIVI recommendations and be useful for predicting the histology of colorectal tumors.
Editor: United States: Elsevier Inc
Idioma: Inglés

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Computer-aided diagnosis of colorectal polyp histology by using a real-time image recognition system and narrow-band imaging magnifying colonoscopy

Kominami, Yoko, MD ; Yoshida, Shigeto, MD, PhD ; Tanaka, Shinji, MD, PhD ; Sanomura, Yoji, MD, PhD ; Hirakawa, Tsubasa, ME ; Raytchev, Bisser, PhD ; Tamaki, Toru, PhD ; Koide, Tetsusi, PhD ; Kaneda, Kazufumi, PhD ; Chayama, Kazuaki, MD, PhD

United States: Elsevier Inc

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