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Comparison between colorectal low- and high-grade mucinous adenocarcinoma with MUC1 and MUC5AC

World Journal of Gastrointestinal Oncology 2009年第1期1卷 69-73页

作者： Masayuki Onodera takashi nishigami Ikuko Torii Ayuko Sato Li-Hua Tao Tatsuki R Kataoka Reigetsu Yoshikawa Tohru Tsujimura Department of Pathology Hyogo College of Medicine Department of Surgery Hyogo College of Medicine

AIM:To explore useful prognostic factors for mucinous adenocarcinoma(MAC) in the colon and ***:MAC was divided into low-and high-grade types based on the degree of structural differentiation;low-grade MAC arisen from well to moderately differentiated adenocarcinoma and papillary carcinoma,and high-grade MAC from poorly differentiated adenocarcinoma and signet ring cell ***,the expression of 2 types of MUC1(MUC1/DF and MUC1/CORE),MUC2,2 types of MUC5AC(MUC5AC/CHL2 and HGM),MUC6,CDX2,and CD10 was examined in 16 cases of MAC consisting of 6 low-and 10 high-grade ***:MUC1/DF3 was expressed in 3 of 6 low-grade MAC(50) and 10 of 10 high-grade MAC(100).MUC1/CORE was expressed in 1 of 6 lowgrade MAC(16.7) and 7 of 10 high-grade MAC(70).MUC2 was expressed in all MAC regardless of the ***5AC was expressed in 6 of 6 low-grade MAC(100) and 4 of 10 high-grade MAC(40).HGM was expressed in 5 of 6 low-grade MAC(83.3) and 6 of 10 high-grade MAC(60).Expression of MUC6 and CD10 was undetected in all MAC regardless of the ***2 was expressed in 5 of 6 low-grade MAC(83.3) and 7 of 10 high-grade MAC(70).Taken together,MUC1/DF3 was expressed significantly more frequently in high-grade MAC than in low-grade,and MUC5AC/CHL2 was expressed significantly more frequently in low-grade MAC than in ***:It is proposed that MUC1/DF3 and MUC5AC/CHL2 immunostaining is useful to discriminate high-grade MAC from low-grade MAC.

关键词： Mucinous adenocarcinoma Colon Rectum MUC1 MUC5AC

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Diffuse gastroduodenitis and pouchitis associated with ulcerative colitis

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World Journal of Gastroenterology 2006年第36期12卷 5913-5915页

作者： Hiroki Ikeuchi Kazutoshi Hori takashi nishigami Hiroki Nakano Motoi Uchino Mitsuhiro Nakamura Nobuaki Kaibe Masafumi Noda Hidenori Yanagi Takehira Yamamura Second Department of Surgery Hyogo College of Medicine Hyogo Japan Department of Gastroenterology Hyogo College of Medicine. Hyogo Japan Second Department of Pathology Hyogo College of Medicine. Hyogo Japan

We experienced a very rare case of ulcerative colitis (UC) accompanied with analogous lesions in the stomach, duodenum, and ileal J -pouch. Ileal J-pouch anal anastomosis was performed on a 29-year old woman in 1996. Six years later, she was admitted again to our hospital because of epigastralgia, nausea, watery diarrhea and low fever. Based on the results of endoscopic examination, we diagnosed it as pouchitis. Moreover, on hypotonic duodenography, expansion of the duodenal bulb and the descending portion were poor. Kerckring folds disappeared with typical lead-pipe appearance. The pathogenesis of the gastric and duodenal lesion in this patient was similar to that of the colonic lesions of UC. For the gastroduodenal lesions in this patient, symptomatic remission was obtained following administration of crushed mesalazine tablets (1500 mg/d) for 14 d with continuous administration of omeprazole. Firstly we used ciprofloxacin to treat pouchitis. On the fifth day, she got a fever because of catheter infection. In the catheter culture, methicillin-resistant Staphylococcus aureus (MRSA) was detected. Therefore we changed ciprofloxacin to vancomycin hydrochloride (Vancomycin?). Vancomycin was very effective, and the stool frequency dramatically improved in three days. Now she continues to take mesalazine, but her condition is stable and there has been no recurrence of pouchitis.

关键词：胃十二直肠溃疡大肠炎病理机制治疗

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Cyclooxygenase-2 expression after preoperative chemoradiotherapy correlates with more frequent esophageal cancer recurrence

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World Journal of Gastroenterology 2007年第16期13卷 2283-2288页

作者： Reigetsu Yoshikawa Yoshinori Fujiwara Kenji Koishi Syoudou Kojima Tomohiro Matsumoto Hidenori Yanagi Takehira Yamamura Tomoko Hashimoto-Tamaoki takashi nishigami Tohru Tsujimura Second Department of Surgery Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan Institute for Advanced Medical Sciences Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan Second Department of Surgery Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan Institute for Advanced Medical Sciences Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan Department of Genetics Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan Second Department of Pathology Hyogo College of Medicine Nishinomiya Hyogo 663-8501 Japan

AIM: To investigate the relationship between cycloo- xygenase-2 (COX-2), and vascular endothelial growth factor (VEGF), and to determine the clinical significance of this relationship in esophageal cancer patients undergoing chemoradiotherapy (CRT). METHODS: Immunohistochemical staining was used to evaluate COX-2 and VEGF expression in 40 patients with histologically-confirmed esophageal squamous carcinoma (ESCC) who were undergoing preoperative CRT. RESULTS: Fourteen out of 40 ESCC patients showed a pathological complete response (CR) after CRT. COX-2 and VEGF protein expressions were observed in the cytoplasm of 17 and 13 tumors, respectively, with null expression in 9 and 13 tumors, respectively. COX-2 expression was strongly correlated with VEGF expression (P < 0.05). There were also significant associations between COX-2 expression, tumor recurrence, and lymph-node involvement (P = 0.0277 and P = 0.0095, respectively). COX-2 expression and VEGF expression had significant prognostic value for disease-free survival (log-rank test; P = 0.0073 and P = 0.0341, respectively), but not for overall survival, as assessed by univariate analysis. CONCLUSION: Our results suggest that COX-2 expression correlates with VEGF expression and might be a useful prognostic factor for more frequent tumor recurrence in ESCC patients undergoing neoadjuvant CRT. These findings support the use of anti-angiogenic COX-2 inhibitors in the treatment of ESCC.

关键词：食管癌复发手术前放化疗环加氧酶-2 基因表达

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