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| 1 | Magnifying colonoscopy as a non-biopsy technique for differential diagnosis of non-neoplastic and neoplastic lesions显示文摘瞄准:为了澄清与放大结肠镜检查观察的粘膜地窟模式是否对可行,把非肿瘤的息肉与肿瘤的息肉区分开来。方法:从通过 2000 年 3 月的 1999 年 6 月,有 210 损害的 180 个连续病人与放大结肠镜诊断了(CF-200Z,天堂光有限公司,东京,日本) 被注册。有 0.2% 靛青洋红染料的放大和多彩石印版内视镜检查法为粘膜地窟观察被用于每损害。损害出现打字我和 II 地窟模式被活体检视组织学地认为非肿瘤、检验,而损害证明到 V 地窟模式的类型 III 被移开内视镜的联盟者或通过手术。内视镜的诊断和 histologic 诊断的关联然后被调查。结果:在内视镜检查法, 24 损害证明我或 II 坑模式,和 186 损害显示出的一种类型打 III 到 V 坑模式。与 histologic 检查, 26 损害作为非肿瘤的息肉被诊断,并且 184 损害作为肿瘤的息肉被诊断。全面诊断精确性是 99.1%(208/210 ) 。敏感和特性是 92.3%(24/26 ) 并且 99.8%(184/186 ) 分别地。结论:放大结肠镜检查能作为一种非活体检视技术被使用区分肿瘤、非肿瘤的息肉。 | Shigeharu Kato Kuang I Fu Yasushi Sano Takahiro Fujii Yutaka Saito Takahisa Matsuda Ikuro Koba Shigeaki Yoshida Takahiro Fujimori | 2006 | World Journal of Gastroenterology2006，12，9： | 31 |
| 2 | Serrated polyps of the colon and rectum:Remove or not?显示文摘In recent years,the serrated neoplasia pathway where serrated polyps arise as a colorectal cancer has gained considerable attention as a new carcinogenic pathway.Colorectal serrated polyps are histopathologically classified into hyperplastic polyps(HPs),sessile serrated lesions,and traditional serrated adenomas;in the serrated neoplasia pathway,the latter two are considered to be premalignant.In western countries,all colorectal polyps,including serrated polyps,apart from diminutive rectosigmoid HPs are removed.However,in Asian countries,the treatment strategy for colorectal serrated polyps has remained unestablished.Therefore,in this review,we described the clinicopathological features of colorectal serrated polyps and proposed to remove HPs and sessile serrated lesions≥6 mm in size,and traditional serrated adenomas of any size. | Wataru Sano Daizen Hirata Akira Teramoto Mineo Iwatate Santa Hattori Mikio Fujita Yasushi Sano | 2020 | World Journal of Gastroenterology2020，26，19： | 12 |
| 3 | Feasibility of single-incision laparoscopic cholecystectomy for acute cholecystitis显示文摘AIM: To assess the safety of single-incision laparoscopic cholecystectomy(SILC) for acute cholecystitis.METHODS: All patients who underwent SILC at Sano Hospital(Kobe, Japan) between January 2010 and December 2014 were included in this retrospective study. Clinical data related to patient characteristics and surgical outcomes were collected from medical records. The parameters for assessing the safety of the procedure included operative time, volume of blood loss, achievement of the critical view of safety, use of additional trocars, conversion to laparotomy, intraoperative and postoperative complications, and duration of postoperative hospital stay. Patient backgrounds were statistically compared between those with and without conversion to laparotomy.RESULTS: A total of 100 patients underwent SILC for acute cholecystitis during the period. Preoperative endoscopic treatment was performed for suspected choledocholithiasis in 41 patients(41%). The mean time from onset of acute cholecystitis was 7.7 d. According to the Updated Tokyo Guidelines(TG13) for the severity of cholecystitis, 86 and 14 patients had grade Ⅰ and grade Ⅱ acute cholecystitis, respectively. The mean operative time was 87.4 min. The mean estimated blood loss was 80.6 mL. The critical view of safety was obtained in 89 patients(89%). Conversion laparotomy was performed in 12 patients(12%). Postoperative complications of Clavien-Dindo grade Ⅲ or greater were observed in 4 patients(4%). The mean duration of postoperative hospital stay was 5.7 d. Patients converted from SILC to laparotomy tended to have higher days after onset.CONCLUSION: SILC is feasible for acute cholecystitis; in addition, early surgical intervention may reduce the risk of laparotomy conversion. | Taro Ikumoto Hidetsugu Yamagishi Mineo Iwatate Yasushi Sano Masahito Kotaka Yasuo Imai | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，19： | 8 |
| 4 | Effective use of the Japan Narrow Band Imaging Expert Team classification based on diagnostic performance and confidence level显示文摘Five years have passed since the Japan Narrow Band Imaging Expert Team (JNET) classification was proposed in 2014. However, the diagnostic performance of this classification has not yet been established. We conducted a retrospective study and a systematic search of Medical Literature Analysis and Retrieval System On-Line. There were three retrospective single center studies about the diagnostic performance of this classification. In order to clarify this issue, we reviewed our study and three previous studies. This review revealed the diagnostic performance in regards to three important differentiations.(1) Neoplasia from non-neoplasia;(2) malignant neoplasia from benign neoplasia;and (3) deep submucosal invasive cancer (D-SMC) from other neoplasia. The sensitivity in differentiating neoplasia from non-neoplasia was 98.1%-99.8%. The specificity in differentiating malignant neoplasia from benign neoplasia was 84.7%-98.2% and the specificity in the differentiation D-SMC from other neoplasia was 99.8%-100.0%. This classification would enable endoscopists to identify almost all neoplasia, to appropriately determine whether to perform en bloc resection or not, and to avoid unnecessary surgery. This article is the first review about the diagnostic performance of the JNET classification. Previous reports about the diagnostic performance have all been retrospective single center studies. A large-scale prospective multicenter evaluation study is awaited for the validation. | Daizen Hirata Hiroshi Kashida Mineo Iwatate Tomomasa Tochio Akira Teramoto Yasushi Sano Masatoshi Kudo | 2019 | World Journal of Clinical Cases2019，7，18： | 6 |
| 5 | Narrow-band imaging observation of colorectal lesions using NICE classification to avoid discarding significant lesions显示文摘AIM: To assess the risk of failing to detect diminutive and small colorectal cancers with the 'resect and discard' policy.METHODS: Patients who received colonoscopy and polypectomy were recruited in the retrospective study. Probable histology of the polyps was predicted by six colonoscopists by the use of NICE classification. The incidence of diminutive and small colorectal cancersand their endoscopic features were assessed. RESULTS: In total, we found 681 cases of diminutive(1-5 mm) lesions in 402 patients and 197 cases of small(6-9 mm) lesions in 151 patients. Based on pathology of the diminutive and small polyps, 105 and 18 were non-neoplastic polyps, 557 and 154 were low-grade adenomas, 18 and 24 were high-grade adenomas or intramucosal/submucosal(SM) scanty invasive carcinomas, 1 and 1 were SM deeply invasive carcinoma, respectively. The endoscopic features of invasive cancer were classified as NICE type 3 endoscopically.CONCLUSION: The risk of failing to detect diminutive and small colorectal invasive cancer with the 'resect and discard' strategy might be avoided through the use of narrow-band imaging observation with the NICE classification scheme and magnifying endoscopy. | Santa Hattori Mineo Iwatate Wataru Sano Noriaki Hasuike Hidekazu Kosaka Taro Ikumoto Masahito Kotaka Akihiro Ichiyanagi Chikara Ebisutani Yasuko Hisano Takahiro Fujimori Yasushi Sano | 2014 | World Journal of Gastrointestinal Endoscopy2014，6，12： | 5 |
| 6 | Validation of a Simple Classification System for Endoscopic Diagnosis of Small Colorectal Polyps Using Narrow-Band Imaging显示文摘 | David G. Hewett Tonya Kaltenbach Yasushi Sano Shinji Tanaka Brian P. Saunders Thierry Ponchon Roy Soetikno Douglas K. Rex | 2012 | Gastroenterology2012，，3： | 4 |
| 7 | Prospective real-time evaluation of diagnostic performance using endocytoscopy in differentiating neoplasia from nonneoplasia for colorectal diminutive polyps(≤ 5 mm)显示文摘AIM To clarify the diagnostic performance of endocytoscopy for differentiation between neoplastic and nonneoplastic colorectal diminutive polyps.METHODS Patients who underwent endocytoscopy between October and December 2016 at Sano Hospital were prospectively recruited. When diminutive polyps(≤5 mm) were detected, the lesions were evaluated by endocytoscopy after being stained with 0.05% crystal violet and 1% methylene blue. The diminutivepolyps were classified into five categories(EC 1 a, 1 b, 2, 3 a, and 3 b). Endoscopists were asked to take a biopsy from any lesion diagnosed as EC1 b(indicator of hyperplastic polyp) or EC2(indicator of adenoma). We have assessed the diagnostic performance of endocytoscopy for EC2 and EC1 b lesions by comparison with the histopathology of the biopsy specimen. RESULTS A total of 39 patients with 63 diminutive polyps were analyzed. All polyps were evaluated by endocytoscopy. The mean polyp size was 3.3 ± 0.9 mm. Among the 63 diminutive polyps, 60 were flat and 3 were pedunculated. The mean time required for EC observation, including the time for staining with crystal violet and methylene blue, was 3.0 ± 1.9 min. Histopathologic evaluation showed that 13 polyps were hyperplastic and 50 were adenomas. The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of EC2 for adenoma compared with EC1 b for hyperplastic polyp were 98.0%, 92.3%, 96.8%, 98.0% and 92.3%, respectively. There were only two cases of disagreement between the endoscopic diagnosis made by endocytoscopy and the corresponding histopathological diagnosis.CONCLUSION Endocytoscopy showed a high diagnostic performance for differentiating between neoplastic and non-neoplastic colorectal diminutive polyps, and therefore has the potential to be used for 'real-time histopathology'. | Takahiro Utsumi Yasushi Sano Mineo Iwatate Hironori Sunakawa Akira Teramoto Daizen Hirata Santa Hattori Wataru Sano Noriaki Hasuike Kazuhito Ichikawa Takahiro Fujimori | 2018 | World Journal of Gastrointestinal Oncology2018，10，4： | 4 |
| 8 | Size does not determine the grade of malignancy of early invasive colorectal cancer显示文摘AIM:To clarify the clinicopathological characteristics of small and large early invasive colorectal cancers(EI-CRCs),and to determine whether malignancy grade depends on size.METHODS:A total of 583 consecutive EI-CRCs treated by endoscopic mucosal resection or surgery at the National Cancer Center Hospital between 1980 and 2004 were enrolled in this study.Lesions were classified into two groups based on size:small(≤10mm) and large(>10mm).Clinicopathological features,incidence of lymph node metastasis(LNM) and risk factors for LNM,such as depth of invasion,lymphovascular invasion(LVI) and poorly differentiated adenocarcinoma(PDA) were analyzed in all resected specimens.RESULTS:There were 120(21%) small and 463(79%) large lesions.Histopathological analysis of the small lesion group revealed submucosal deep cancer(sm:≥1000 μm) in 90(75%) cases,LVI in 26(22%) cases,and PDA in 12(10%) cases.Similarly,the large lesion group exhibited submucosal deep cancer in 380(82%) cases,LVI in 125(27%) cases,and PDA in 79(17%) cases.The rate of LNM was 11.2% and 12.1% in the small and large lesion groups,respectively.CONCLUSION:Small EI-CRC demonstrated the same aggressiveness and malignant potential as large cancer. | Takahisa Matsuda Yutaka Saito Takahiro Fujii Toshio Uraoka Takeshi Nakajima Nozomu Kobayashi Fabian Emura Akiko Ono Tadakazu Shimoda Hiroaki Ikematsu Kuang-I Fu Yasushi Sano Takahiro Fujimori | 2009 | World Journal of Gastroenterology2009，15，22： | 4 |
| 9 | Meshed capillary vessels by use of narrow-band imaging for differential diagnosis of small colorectal polyps显示文摘 | Yasushi Sano Hiroaki Ikematsu Kuang I. Fu Fabian Emura Atsushi Katagiri Takahiro Horimatsu Kazuhiro Kaneko Roy Soetikno Shigeaki Yoshida | 2009 | Gastrointestinal Endoscopy2009，，2： | 3 |
| 10 | Alpha-fetoprotein-producing colon cancer with atypical bulky lymph node metastasis显示文摘Alpha-fetoprotein (AFP)-producing colorectal cancer is extremely rarely reported until now. All of the reported cases harboring synchronous hematogenous spread including liver and/or lung metastasis had a poor prognosis and died within 12 mo. We here describe a 71-year old man with AFP-producing colon cancer who presented with an unusual bulky lymph node metastasis instead of hematogenous spread. He underwent adjuvant chemotherapy in addition to curative surgical resection, which prolonged his survival. | Kuangi Fu Akihiro Kobayashi Norio Saito Yasushi Sano Shigeharu Kato Hiroaki Ikematsu Takahiro Fujimori Yasushi Kaji Shigeaki Yoshida | 2006 | World Journal of Gastroenterology2006，12，47： | 3 |
| 11 | Pneumoscrotum: A rare manifestation of perforation associated with therapeutic colonoscopy显示文摘Pneumoscrotum is uncommon and also rarely reported as a complication associated with colonic perforation. A case of colonic perforation in delayed fashion associated with EMR, revealed by pneumoscrotum, is reported and the associated literatures are reviewed. A 52-year-old male received piecemeal EMR for a laterally spreading tumor 35 mm in size in our hospital. He complained of enlargement of the scrotum and revisited our hospital the day after the procedure. A diagnosis of pneumoscrotum was made, and as most such cases have been reported to be associated with pneumoperitoneum, colonic perforation was suspected. Free air but no fluid collection was found by abdominal computed tomography, and delayed colonic perforation was diagnosed. However, as there were no clinical signs of peritoneal irritation,conservative treatment was administered and the patient recovered uneventfully. Pneumoscrotum could be a sign of colonic perforation after EMR, and treatment should be carefully chosen. | Kuang-I Fu Yasushi Sano Shigeharu Kato Takahiro Fujii Masanori Sugito Masato Ono Norio Saito Kiyotaka Kawashima Shigeaki Yoshida Takahiro Fujimori | 2005 | World Journal of Gastroenterology2005，11，32： | 3 |
| 12 | Narrow Band Imaging: A New Diagnostic Approach to Visualize Angiogenesis in Superficial Neoplasia显示文摘 | Manabu Muto Chikatoshi Katada Yasushi Sano Shiegaki Yoshida | 2005 | Clinical Gastroenterology and Hepatology2005，，7： | 2 |
| 13 | Endoscopic Observation of Tissue by Narrowband Illumination显示文摘 | Kazuhiro Gono Kenji Yamazaki Nobuyuki Doguchi Tetsuo Nonami Takashi Obi Masahiro Yamaguchi Nagaaki Ohyama Hirohisa Machida Yasushi Sano Shigeaki Yoshida Yasuo Hamamoto Takao Endo | 2003 | Optical Review2003，，4： | 1 |
| 14 | Endoscopic treatment of large superficial colorectal tumors: a case series of 200 endoscopic submucosal dissections (with video) <ce:link locator='fx1'/>显示文摘 | Yutaka Saito Toshio Uraoka Takahisa Matsuda Fabian Emura Hisatomo Ikehara Yumi Mashimo Tsuyoshi Kikuchi Kuang-I. Fu Yasushi Sano Daizo Saito | 2007 | Gastrointestinal Endoscopy2007，，5： | 1 |
| 15 | Magnified Observation of Microvascular Architecture Using Narrow Band Imaging (NBI) for the Differential Diagnosis Between Non-Neoplastic and Neoplastic Colorectal Lesion. A Prospective Study显示文摘 | Yasushi Sano Takahiro Horimatsu Kuang I. Fu Atsushi Katagiri Manabu Muto Hisao Tajiri Shigeaki Yoshida | 2006 | Gastrointestinal Endoscopy2006，，： | 1 |
| 16 | Validation of a Simple Classification System for Endoscopic Diagnosis of Small Colorectal Polyps Using Narrow-Band Imaging显示文摘 | David G. Hewett Tonya Kaltenbach Yasushi Sano Shinji Tanaka Brian P. Saunders Thierry Ponchon Roy Soetikno Douglas K. Rex | 2012 | Gastroenterology2012，，3： | 1 |
| 17 | Meshed capillary vessels by use of narrow-band imaging for differential diagnosis of small colorectal polyps显示文摘 | Yasushi Sano Hiroaki Ikematsu Kuang I. Fu Fabian Emura Atsushi Katagiri Takahiro Horimatsu Kazuhiro Kaneko Roy Soetikno Shigeaki Yoshida | 2009 | Gastrointestinal Endoscopy2009，，2： | 1 |
| 18 | Identification and characterization of 17 phenothiazine compounds by capillary highperformance liquid chmnmtography/fast atom bombardment mass 显示文摘 | Yasushi Mizuno Keizo Sato Toshiyuki Sano | 2002 | Leg Med( Tokyo)2002，4，4： | 1 |
| 19 | Acute Appendicitis as a Rare Complication After Endoscopic Mucosal Resection显示文摘 | Takahiro Horimatsu Kuang-I Fu Yasushi Sano Tomonori Yano Yutaka Saito Takahisa Matsuda Takahiro Fujimori Shigeaki Yoshida | 2007 | Digestive Diseases and Sciences2007，，7： | 1 |
| 20 | Primary signet-ring cell carcinoma of the colon at early stage: A case report and a review of the literature显示文摘经历了外科到将切除的一个 67 岁的人多重胃的癌症 4 年以前,为监视结肠镜检查访问了我们的医院。揭示的结肠镜检查一变色,在直径的 7 公里,有在结肠左曲附近的横向的冒号的中央消沉的提高公寓的损害。尽管内视镜检查法和钡灌肠的调查结果粘膜下层侵略是暗示的,病人选择了经历内视镜的粘膜切除术。resected 标本的病理学的检查揭示了图章戒指房间癌和积极外科的边缘。第二个手术被动,并且到淋巴结的剩余肿瘤或转移都没在 resected 标本被发现。由在一个早阶段检测并且对待的图章戒指房间癌组成的三原色表面的癌症是极其稀罕的。我们在场一个盒子和评论文学。 | Kuang-I Fu Yasushi Sano Shigeharu Kato Hiroki Saito Atsushi Ochiai Takahiro Fujimori Yutaka Saito Takahisa Matsuda Takahiro Fujii Shigeaki Yoshida | 2006 | World Journal of Gastroenterology2006，12，21： | 1 |
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