Association Between Use of Thiopurines or Tumor Necrosis Factor Antagonists Alone or in Combination and Risk of Lymphoma in Patients With Inflammatory Bowel Disease.

Related Articles Association Between Use of Thiopurines or Tumor Necrosis Factor Antagonists Alone or in Combination and Risk of Lymphoma in Patients With Inflammatory Bowel Disease. JAMA. 2017 Nov 07;318(17):1679-1686 Authors: Lemaitre M, Kirchgesner J, Rudnichi A, Carrat F, Zureik M, Carbonnel F, Dray-Spira R Abstract Importance: An increased risk of lymphoma has been reported among patients receiving thiopurines for inflammatory bowel disease (IBD). The risk of lymphoma associated with anti-tumor necrosis factor (TNF) agents either alone or in combination with thiopurines is uncertain. Objective: To assess the risk of…

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The risk of non-melanoma skin cancer in New Zealand in Inflammatory Bowel Disease patients treated with thiopurines.

Related Articles The risk of non-melanoma skin cancer in New Zealand in Inflammatory Bowel Disease patients treated with thiopurines. J Gastroenterol Hepatol. 2017 Nov 04;: Authors: Bahi M, Walmsley RS, Gray AR, Young D, Hobbs CE, Aluzaite K, Schultz M Abstract BACKGROUND AND AIM: New Zealand (NZ) has one of the highest rates of non-melanoma skin cancers (NMSC) in the world. Thiopurine use in Inflammatory Bowel Disease (IBD) patients has been shown to increase NMSC risk. This study aimed to investigate the possible increase of NMSC risk in thiopurine-treated IBD…

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Cancer Risk in 2621 Chinese Patients with Inflammatory Bowel Disease: A Population-based Cohort Study.

Cancer Risk in 2621 Chinese Patients with Inflammatory Bowel Disease: A Population-based Cohort Study. Inflamm Bowel Dis. 2017 Oct 06;: Authors: So J, Tang W, Leung WK, Li M, Lo FH, Wong MTL, Sze ASF, Leung CM, Tsang SWC, Shan EHS, Chan KH, Lam BCY, Hui AJ, Chow WH, Lam TY, Lam V, Lee TW, Lo HHH, Tang CM, Wong CL, Wu JCY, Chan FKL, Sung JJY, Harbord M, Ng SC Abstract BACKGROUND: Studies on cancer risk in inflammatory bowel disease (IBD) have yielded inconsistent results. We conducted a population-based…

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Long-term Risk of Cancer Following Ileal Pouch-anal Anastomosis for Ulcerative Colitis.

Long-term Risk of Cancer Following Ileal Pouch-anal Anastomosis for Ulcerative Colitis. J Crohns Colitis. 2017 Aug 03;: Authors: Mark-Christensen A, Erichsen R, Brandsborg S, Rosenberg J, Qvist N, Thorlacius-Ussing O, Hillingsø J, Pachler JH, Christiansen EG, Laurberg S Abstract Background: The overall risk of cancer following ileal pouch-anal anastomosis [IPAA] is unknown, and pouch cancer surveillance is controversial. We evaluated long-term risk of cancer in a national cohort of patients with ulcerative colitis and IPAA, with emphasis on pouch cancer. Methods: Data on incident cancers were extracted from the national…

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Strategies for detecting colon cancer in patients with inflammatory bowel disease.

Strategies for detecting colon cancer in patients with inflammatory bowel disease. Cochrane Database Syst Rev. 2017 Sep 18;9:CD000279 Authors: Bye WA, Nguyen TM, Parker CE, Jairath V, East JE Abstract BACKGROUND: Patients with longstanding ulcerative colitis and colonic Crohn’s disease have an increased risk of colorectal cancer (CRC) compared with the general population. This review assessed the evidence that endoscopic surveillance may prolong life by allowing earlier detection of CRC or its pre-cursor lesion, dysplasia, in patients with inflammatory bowel disease (IBD). OBJECTIVES: To assess the effectiveness of cancer surveillance…

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Expression of ATF6 as a marker of pre-cancerous atypical change in ulcerative colitis-associated colorectal cancer: a potential role in the management of dysplasia.

Expression of ATF6 as a marker of pre-cancerous atypical change in ulcerative colitis-associated colorectal cancer: a potential role in the management of dysplasia. J Gastroenterol. 2017 Sep 07;: Authors: Hanaoka M, Ishikawa T, Ishiguro M, Tokura M, Yamauchi S, Kikuchi A, Uetake H, Yasuno M, Kawano T Abstract BACKGROUND: Diagnosis of low-grade dysplasia (LGD) is important in the management of ulcerative colitis (UC), but it is often difficult to distinguish LGD from inflammatory regenerative epithelium. The unfolded protein response (UPR) is activated in inflammatory bowel disease and malignancies. We aimed…

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A Panel of Methylated MicroRNA Biomarkers for Identifying High-Risk Patients with Ulcerative Colitis-associated Colorectal Cancer.

Related Articles A Panel of Methylated MicroRNA Biomarkers for Identifying High-Risk Patients with Ulcerative Colitis-associated Colorectal Cancer. Gastroenterology. 2017 Aug 25;: Authors: Toiyama Y, Okugawa Y, Tanaka K, Araki T, Uchida K, Hishida A, Uchino M, Ikeuchi H, Hirota S, Kusunoki M, Boland CR, Goel A Abstract BACKGROUND&AIMS: Methylation of specific microRNAs (miRNAs) often occurs in an age-dependent manner, as a field defect in some instances, and may be an early event in colitis-associated carcinogenesis. We aimed to determine whether specific mRNA signature patterns (MIR1, MIR9, MIR124, MIR137, MIR34B/C) could…

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Association of Aneuploidy and Flat Dysplasia With Development of High-Grade Dysplasia or Colorectal Cancer in Patients With Inflammatory Bowel Disease.

Association of Aneuploidy and Flat Dysplasia With Development of High-Grade Dysplasia or Colorectal Cancer in Patients With Inflammatory Bowel Disease. Gastroenterology. 2017 Aug 23;: Authors: Tsai JH, Rabinovitch PS, Huang D, Small T, Mattis AN, Kakar S, Choi WT Abstract There is controversy over how to best manage patients with inflammatory bowel disease (IBD) and flat low-grade dysplasia (fLGD) in the colon. We performed a retrospective analysis of formalin-fixed paraffin-embedded colon tissues with fLGD from 37 patients undergoing surveillance colonoscopy for IBD, from 1990 to 2015 at the University of…

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Risk Factors and Clinical Outcomes in Patients with IBD with Melanoma.

Risk Factors and Clinical Outcomes in Patients with IBD with Melanoma. Inflamm Bowel Dis. 2017 Aug 22;: Authors: Nissen LHC, Pierik M, Derikx LAAP, de Jong E, Kievit W, van den Heuvel TRA, van Rosendael AR, Plasmeijer EI, Dewint P, Verhoeven RHA, Overbeek LIH, Nagtegaal ID, Hoentjen F, van der Meulen-de Jong AE Abstract BACKGROUND: Patients with inflammatory bowel disease (IBD) are at increased risk to develop malignant melanoma and this risk may increase with use of anti-tumor necrosis factor (TNF) therapy. Impaired survival of immunosuppressed melanoma patients is reported…

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Association between CYP24A1 polymorphisms and the risk of colonic polyps and colon cancer in a Chinese population.

Related Articles Association between CYP24A1 polymorphisms and the risk of colonic polyps and colon cancer in a Chinese population. World J Gastroenterol. 2017 Jul 28;23(28):5179-5186 Authors: Chen XQ, Mao JY, Li WB, Li J, Yang H, Qian JM, Li JN Abstract AIM: To determine the pathogenesis and potential single nucleotide polymorphisms (SNPs) as screening sites for colonic polyps, colon cancer and ulcerative colitis, and to analyze the possible association between these genetic polymorphisms and the three diseases. METHODS: We evaluated genetic polymorphisms in 144 newly diagnosed colonic polyp patients, 96…

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