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14篇 您的检索式:作者名="Toru Iwao"
    题名 作者 年代 出处 被引量
1Immunohistochemical molecular markers as predictors of curability of endoscopically resected submucosal colorectal cancer显示文摘AIM: To clarify the usefulness of immunohistochemical molecular markers in predicting lymph node metastasis of submucosal colorectal cancer. METHODS: We examined microvessel density, lymphatic vessel density, the Ki-67 labeling index, expression of MUC1 and Matrix metalloproteinase-7 (MMP-7) in tumor cells, and expression of cathepsin D in stromal cells at the invasive front by immunostaining of samples resected from 214 patients with submucosal colorectal cancer. Pathologic features were assessed on hematoxylin-eosin- stained samples. We evaluated the relations between clinicopathologic/immunohistochemical features and lymph node metastasis. RESULTS: Lesions of the superficial type, with an unfavorable histologic grade, budding, lymphatic involvement, high microvessel density (≥ 40), high lymphatic vessel density (≥ 9), high Ki-67 labeling index (≥ 42), and positivity of MUC1, cathepsin D, and MMP-7 showed a significantly high incidence of lymph node metastasis. Multivariate analysis revealed that high microvessel density, unfavorable histologic grade, cathepsin D positivity, high lymphatic vessel density, superficial type, budding, and MUC1 positivity were independent risk factors for lymph node metastasis.A combined examination with four independent immunohistochemical markers (microvessel density, cathepsin D, lymphatic vessel density, and MUC1) revealed that all lesions that were negative for all markers or positive for only one marker were negative for lymph node metastasis. CONCLUSION: Analysis of a combination of immuno- histochemical molecular markers in endoscopically resected specimens of submucosal colorectal cancer allows prediction of curability regardless of the pathologic features visible of hematoxylin-eosin-stained sections.Iwao Kaneko Shinji Tanaka Shiro Oka Shigeto Yoshida Toru Hiyama Koji Arihiro Fumio Shimamoto Kazuaki Chayama 2007World Journal of Gastroenterology2007,13,28:12
2Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer显示文摘Shiro Oka Shinji Tanaka Iwao Kaneko Ritsuo Mouri Mayuko Hirata Toru Kawamura Masaharu Yoshihara Kazuaki Chayama 2006Gastrointestinal Endoscopy2006,,6:6
3Lansoprazole-associated collagenous colitis:Diffuse mucosal cloudiness mimicking ulcerative colitis显示文摘There have only been a few reports on lansoprazole-associated collagenous colitis. Colonic mucosa of collagenous colitis is known to be endoscopically normal. We present a case of collagenous colitis where the mucosa showed diffuse cloudiness mimicking ulcerative colitis. A 70-year-old woman developed watery diarrhea four to nine times a day. She had interstitial pneumonia at 67 and reflux esophagitis at 70 years. Lansoprazole 30 mg/d had been prescribed for reflux esophagitis for nearly 6 mo. Lansoprazole was withdrawn due to its possible side effect of diarrhea. Colonoscopy disclosed diffuse cloudiness of the mucosa which suggested ulcerative colitis. Consequently sulfasalazine 2 g/d was started. The patient's diarrhea dramatically disappeared on the following day. However, biopsy specimens showed subepithelial collagenous thickening and infi ltration of inflammatory cells in the lamina propria, confirming the diagnosis of collagenous colitis. One month after sulfasalazine therapy was initiated, colonoscopic and histological abnormalities resolved completely. Five months later the diarrhea recurred. The findings on colonoscopy and histology were the same as before, confirming a diagnosis of collagenous colitis relapse. We found that the patient had begun to take lansoprazole again 3 mo ahead of the recent diarrhea. Withdrawal of lansoprazole promptly resolved the diarrhea. Endoscopic and histological abnormalities were also completely resolved, similar to the first episode. Retrospectively, the date of commencement of sulfasalazine and discontinuation of lansoprazole in the first episode was found to be the same. We conclude that this patient had lansoprazole-associated collagenous colitis.Mitsuro Chiba Takeshi Sugawara Haruhiko Tozawa Hidehiko Tsuda Toru Abe Takuo Tokairin Iwao Ono Eriko Ushiyama 2009World Journal of Gastroenterology2009,15,17:5
4Intestinal anisakiasis can cause intussusception in adults:An extremely rare condition显示文摘We report an extremely rare case of adult intussusception caused by anisakiasis. A 41-year-old man was admitted into our hospital for right lower abdominal colicky pain. Ultrasonography and computed tomography revealed the presence of intussusception. As pneumodynamic resolution by colonoscopy failed, surgery was performed. The anisakis body was found in the submucosal layer of the resection specimen. The patient was discharged 9 d after the operation. Anisakiasis may cause intussusception in any country where sushi or sashimi now exists as a popular food. If suspicious, detailed clinical interview as to food intake prior to symptom development is crucial.Tomofumi Miura Akira Iwaya Takao Shimizu Junpei Tsuchiya Junichiro Nakamura Satoshi Yamada Tsutomu Miura Masahiko Yanagi Hiroyuki Usuda Iwao Emura Toru Takahashi 2010World Journal of Gastroenterology2010,16,14:3
5Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer显示文摘Shiro Oka Shinji Tanaka Iwao Kaneko Ritsuo Mouri Mayuko Hirata Toru Kawamura Masaharu Yoshihara Kazuaki Chayama 2006Gastrointestinal Endoscopy2006,,6:2
6TTF-1 is useful for primary site determination in duodenal metastasis显示文摘We report here on a case of duodenal metastasis from primary lung adenocarcinoma. A 69-year old man was diagnosed with primary lung adenocarcinoma. Four courses of combined chemotherapy with carboplatin and paclitaxel associated with irradiation of 60 Gy shrunk the lung tumor. However, soon after,the para-aortic lymph node became swollen. Esophagogastroduodenoscopy revealed three duodenal tumors. Differential diagnosis between malignant lymphoma and metastatic duodenal cancer was endoscopically difficult. The histology of biopsied specimens was poorly differentiated adenocarcinoma. Immunohistochemical analysis revealed a positive reaction for thyroid transcription factor-1 (TTF-1). Thus, we concluded that these were metastatic duodenal tumors from lung adenocarcinoma. Two courses of gemcitabine led to a complete remission in this duodenal metastasisand para-aortic lymph node swelling with only scarring remaining in computed tomography. He is now on the continuous generalized chemotherapy. In conclusion, duodenal metastasis from primary lung adenocarcinoma is rare and hard to diagnose. In such an instance, TTF-1 immunostaining is crucial to obtain the correct diagnosis.Tomofumi Miura Yuichi Shimaoka Junichiro Nakamura Satoshi Yamada Tsutomu Miura Masahiko Yanagi Kazuhiro Sato Hiroyuki Usuda Iwao Emura Toru Takahashi 2010World Journal of Gastrointestinal Oncology2010,2,9:2
7Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer显示文摘Shiro Oka Shinji Tanaka Iwao Kaneko Ritsuo Mouri Mayuko Hirata Toru Kawamura Masaharu Yoshihara Kazuaki Chayama 2006Gastrointestinal Endoscopy2006,,6:1
8Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer显示文摘Shiro Oka Shinji Tanaka Iwao Kaneko Ritsuo Mouri Mayuko Hirata Toru Kawamura Masaharu Yoshihara Kazuaki Chayama 2006Gastrointestinal Endoscopy2006,,6:1
9Hepatocellular carcinoma, with portal thrombus after viral eradication, disappeared by 5-fluorouracil and interferon显示文摘Hepatocarcinogenesis after a sustained virological response (SVR) in type C chronic hepatitis and cirrhosis is an important issue in endemic areas; hepatocellular carcinoma (HCC) with portal vein tumor thrombus (PVTT) therapy is especially very hard. We herein report a first case in which combination therapy with interferon-α and continuous intra-arterial infusion of 5-fluorouracil (designated as FAIT) provided a complete response in HCC with PVTT after SVR. Therefore, we think that FAIT is a good option to treat HCC with or without PVTT, even after SVR.Tomofumi Miura Nobuaki Suzuki Junichiro Nakamura Satoshi Yamada Tsutomu Miura Masahiko Yanagi Hiroyuki Usuda Iwao Emura Toru Takahashi 2010World Journal of Hepatology2010,2,11:1
10Retrospective analysis of the prevalence of asymptomatic cerebral aneurysm in 4518 patients undergoing magnetic resonance angiography-when does cerebral aneurysm develop?显示文摘Horikosh Toru Akiyama Iwao Yamagata 2002Neurol Med Chir (Tokyo)2002,42,:1
11Retrospective analysis of the prevalence of asymptomatic cerebral aneurysm in 4518 patients undergoing magnetic resonance angiography when does cerebral aneurysmdevelop?显示文摘HORIKOSH TORU AKIYAMA IWAO YAMAGATA 2002Neurol Med Chir (Tokyo)2002,42,3:1
12Plasma image processing of high speed arc movement in a rail-gun显示文摘Iwao Toru Nemoto Akihito Yumoto Motoshige 0,,02:1
13Development of highly intense radiant power equipment with a semi-oval reflector显示文摘Toru Iwao Yukie Inoue Hiroshi Kanda 2004Vacuum2004,73,3:1
14Shearing Mechanism of Straight Thin Copper Wires at Connecting Terminal due to Lightning Current显示文摘When a lightning current is impressed through a copper wire,the copper wire wouldbe melted.A straight thin copper wire with a diameter of 0.1 mm,is melted due to the specificmelting Joule heating (j^2t)m in an adiabatic condition.However,it has been recognized in theexperiment that the thicker copper wires of φ1 mm are not completely melted,but sheared mainlyat the connecting terminal by a relatively low impulse current.Electro-magnetic mechanicalshearing stress,etc.are discussed in addition to the conventional Joule heating.New brokenmechanisms were presumed and proved in the additional experiments.胡小博 Takahiro OTSUKA Toru IWAO Tsuginori INABA 2007Plasma Science and Technology2007,9,6:0
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