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Simplified criteria for diagnosing superficial esophageal squamous neoplasms using Narrow Band Imaging magnifying endoscopy

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World Journal of Gastroenterology 2016年第41期22卷 9196-9204页

作者： Akira Dobashi Kenichi Goda noboru yoshimura Tomohiko R Ohya Masayuki Kato Kazuki Sumiyama Masato Matsushima Shinichi Hirooka Masahiro Ikegami Hisao Tajiri Department of Endoscopy The Jikei University School of Medicine Department of Endoscopy The Jikei University Katsushika Medical Center Division of Clinical Epidemiology The Jikei University School of Medicine Department of Pathology The Jikei University School of Medicine Department of Innovative Interventional Endoscopy Research The Jikei University School of Medicine

AIM To simplify the diagnostic criteria for superficial esophageal squamous cell carcinoma(SESCC) on Narrow Band Imaging combined with magnifying endoscopy(NBI-ME).METHODS This study was based on the post-hoc analysis of a randomized controlled trial. We performed NBI-ME for 147 patients with present or a history of squamous cell carcinoma in the head and neck, or esophagus between January 2009 and June 2011. Two expert endoscopistsdetected 89 lesions that were suspicious for SESCC lesions, which had been prospectively evaluated for the following 6 NBI-ME findings in real time: "intervascular background coloration"; "proliferation of intrapapillary capillary loops(IPCL)"; and "dilation", "tortuosity", "change in caliber", and "various shapes(VS)" of IPCLs(i.e., Inoue's tetrad criteria). The histologic examination of specimens was defined as the gold standard for diagnosis. A stepwise logistic regression analysis was used to identify candidates for the simplified criteria from among the 6 NBI-ME findings for diagnosing SESCCs. We evaluated diagnostic performance of the simplified criteria compared with that of Inoue's *** Fifty-four lesions(65%) were histologically diagnosed as SESCCs and the others as low-grade intraepithelial neoplasia or inflammation. In the univariate analysis, proliferation, tortuosity, change in caliber, and VS were significantly associated with SESCC(P < 0.01). The combination of VS and proliferation was statistically extracted from the 6 NBI-ME findings by using the stepwise logistic regression model. We defined the combination of VS and proliferation as simplified dyad criteria for SESCC. The areas under the curve of the simplified dyad criteria and Inoue's tetrad criteria were 0.70 and 0.73, respectively. No significant difference was shown between them. The sensitivity, specificity, and accuracy of diagnosis for SESCC were 77.8%, 57.1%, 69.7% and 51.9%, 80.0%, 62.9% for the simplified dyad criteria and Inoue's tetrad criteria,

关键词： Simplified criteria Narrow Band Imaging Magnifying endoscopy Esophageal cancer Squamous cell carcinoma Endoscopic diagnosis Classification Superficial squamous cell carcinoma Stepwise logistic regression analysis

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Diagnostic utility of narrow-band imaging endoscopy for pharyngeal superfi cial carcinoma

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World Journal of Gastroenterology 2011年第45期17卷 4999-5006页

作者： noboru yoshimura Kenichi Goda Hisao Tajiri Yukinaga Yoshida Takakuni Kato Yoichi Seino Masahiro Ikegami Mitsuyoshi Urashima Department of Endoscopy The Jikei University School of Medicine Division of Gastroenterology and Hepatology Department of Internal Medicine The Jikei University School of Medicine Department of Otorhinolaryngology The Jikei University School of Medicine Department of Pathology The Jikei University School of Medicine Clinical Research and Development The Jikei University School of Medicine

AIM: To investigate the endoscopic features of pharyngeal superfi cial carcinoma and evaluate the utility of narrow-band imaging (NBI) for this disease. METHODS: In the present prospective study, 335 patients underwent conventional white light (CWL) en-doscopy and non-magnifi ed/magnifi ed NBI endoscopy, followed by an endoscopic biopsy, for 445 superfi cial lesions in the oropharynx and hypopharynx. The macroscopic appearance of superfi cial lesions was categorized as either elevated (< 5 mm in height), flat, or depressed (not ulcerous). Superficial carcinoma (SC) was defi ned as a superfi cial lesion showing high-grade dysplasia or squamous cell carcinoma on histology. The color, delineation, and macroscopic appearances of the lesions were evaluated by CWL endoscopy. The ratio of the brownish area/intervascular brownish epithelium (IBE), as well as microvascular proliferation, dilation, and irregularities, was determined by non-magnifi ed/ magnifi ed NBI endoscopy. An experienced pathologist who was unaware of the endoscopic fi ndings made the histological diagnoses. By comparing endoscopic fi ndings with histology, we determined the endoscopic features of SC and evaluated the diagnostic utility of NBI. RESULTS: The 445 lesions were divided histologically into two groups: a non-SC group, including non-neoplasia and low-grade dysplasia cases, and an SC group. Of the 445 lesions examined, 333 were classified as non-SC and 112 were classif ied as SC. There were no significant differences in age, gender, or the location of the lesions between the patients in the two groups. The mean diameter of the SC lesions was signif icantly greater than that of non-SC lesions (11.0 ± 7.6 mm vs 4.6 ± 3.6 mm, respectively, P < 0.001). Comparisons of CWL endoscopy fi ndings for SC and non-SC lesions by univariate analysis revealed that the incidence of redness (72% vs 41%, respectively, P < 0.001) and a flat or depressed type of lesion (58% vs 44%, respectively, P = 0.013) was signif

关键词： Narrow-band imaging Magnified endoscopy Endoscopic diagnosis Pharynx Pharyngeal cancer Superfi cial carcinoma Squamous cell carcinoma Dysplasia

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Effects of Aerobic Exercise on the Intramuscular Lipid and Glycogen Content of Fiber Types in Soleus Muscles of Non-Alcoholic Steatohepatitis Model Rats

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Open Journal of Endocrine and Metabolic Diseases 2015年第10期5卷 131-137页

作者： Miyako Mochizuki Emi Hayashi Atsushi yoshimura Yuko Toyoda Lin Mei noboru Hasegawa Kyoto Bunkyo Junior College Kyoto Japan Department of Health and Nutrition Gifu Women’s University Gifu Japan Material Science and Engineering Nagoya Institutes of Technology Nagoya Japan School of Food and Biological Engineering Jiangsu University Zhenjiang China Department of Health and Medical Sciences Ishikawa Prefectural Nursing University Ishikawa Japan

We studied the effects of exercise on muscle mitochondria, and lipid and glycogen content in non-alcoholic steatohepatitis (NASH) model rats. Male Sprague-Dawley rats were randomly separated into 3 groups: the control group was fed standard chow;the NASH group was fed a methionine-choline-deficient high-fat diet (MCD);the NASH-exercise group was fed the MCD and exercised three times a week. Exercise training consisted of continuous running for thirty minutes at a 13 m/min, 6° slope on a motor-driven rodent treadmill for 6 weeks. Mitochondria content in NASH group decreased in the both fiber types compared with those of the control group. As compared between the NASH and NASH-exercise groups, however, exercise not only promoted significant improvements in liver fibrosis and cirrhosis and triglyceride (TG) content but also increased mitochondria content in type I muscle fiber in particular. These data suggest that exercise improved hepatic steatosis in NASH model rats and can prevent the progression of NASH.

关键词： Metabolic Disease Non-Alcoholic Steatohepatitis Intramuscular Lipid Triglyceride Glycogen Histopathological Fiber Types Aerobic Exercise

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