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Diagnostic performance of endoscopic classifications for neoplastic lesions in patients with ulcerative colitis:A retrospective casecontrol study

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World Journal of Gastroenterology 2022年第10期28卷 1055-1066页

作者： Yuichi Kida Takeshi Yamamura Keiko Maeda Tsunaki Sawada Eri Ishikawa Yasuyuki Mizutani Naomi Kakushima Kazuhiro Furukawa Takuya Ishikawa Eizaburo Ohno Hiroki Kawashima Masanao Nakamura Masatoshi Ishigami Mitsuhiro Fujishiro Department of Gastroenterology and Hepatology Nagoya University Graduate School of MedicineNagoya 466-8550AichiJapan Department of Endoscopy Nagoya University HospitalNagoya 466-8560AichiJapan Department of Gastroenterology Graduate School of MedicineThe University of TokyoTokyo 113-8655Japan

BACKGROUND It is unclear whether the japan narrow-band imaging expert team(JNET)classification and pit pattern classification are applicable for diagnosing neoplastic lesions in patients with ulcerative colitis(UC).AIM To clarify the diagnostic performance of these classifications for neoplastic lesions in patients with *** This study was conducted as a single-center,retrospective case-control ***-one lesions in 19 patients with UC-associated neoplasms(UCAN)and 23 lesions in 22 UC patients with sporadic neoplasms(SN),evaluated by magnifying image-enhanced endoscopy,were retrospectively and separately assessed by six endoscopists(three experts,three non-experts),using the JNET and pit pattern *** results were compared with the pathological diagnoses to evaluate the diagnostic ***-and intra-observer agreements were *** In this study,JNET type 2 A and pit pattern typeⅢ/Ⅳwere used as indicators of low-grade dysplasia,JNET type 2 B and pit pattern typeⅥlow irregularity were used as indicators of highgrade dysplasia to shallow submucosal invasive carcinoma,JNET type 3 and pit pattern typeⅥhigh irregularity/VN were used as indicators of deep submucosal invasive *** the UCAN group,JNET type 2 A and pit pattern typeⅢ/Ⅳhad a low positive predictive value(PPV;50.0%and 40.0%,respectively);however,they had a high negative predictive value(NPV;94.7%and 100%,respectively).Conversely,in the SN group,JNET type 2 A and pit pattern typeⅢ/Ⅳhad a high PPV(100%for both)but a low NPV(63.6%and 77.8%,respectively).In both groups,JNET type 3 and pit pattern typeⅥ-high irregularity/VN showed high *** interobserver agreement of JNET classification and pit pattern classification for UCAN among experts were 0.401 and 0.364,in the same manner for SN,0.666 and 0.597,*** intra-observer agreements of JNET classification and pit pattern classification for UCAN among experts were 0.387,0.454,for SN,0.803 and

关键词： Diagnostic performance japan narrow-band imaging expert team classification Pit pattern classification Sporadic neoplasms Ulcerative colitis Ulcerative colitis-associated neoplasms

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