Search Results - "VILKIN, Alex"

Risk of advanced lesions at the first follow-up colonoscopy after polypectomy of diminutive versus small adenomatous polyps of low-grade dysplasia by Sneh Arbib, Orly, Zemser, Valentina, Leibovici Weissman, Yaara, Gingold-Belfer, Rachel, Vilkin, Alex, Eizenstein, Sapir, Cohen, Arnon, Comaneshter, Doron, Tzipora, Shochat, Niv, Yaron, Ringel, Yeuda, Lieberman, David, Levi, Zohar

“…Abstract Background & Aims The current guidelines for surveillance after polypectomy do not distinguish between diminutive (1–5 mm) and small (6–9 mm) polyps…”
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Mutations in Both KRAS and BRAF May Contribute to the Methylator Phenotype in Colon Cancer by Nagasaka, Takeshi, Koi, Minoru, Kloor, Matthias, Gebert, Johannes, Vilkin, Alex, Nishida, Naoshi, Shin, Sung Kwan, Sasamoto, Hiromi, Tanaka, Noriaki, Matsubara, Nagahide, Boland, C. Richard, Goel, Ajay

“…Background & Aims: Colorectal cancers (CRCs) with the CpG island methylator phenotype (CIMP) often associate with epigenetic silencing of hMLH1 and an…”
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How reliable is immunohistochemical staining for DNA mismatch repair proteins performed after neoadjuvant chemoradiation? by Vilkin, Alex, MD, Halpern, Marisa, MD, Morgenstern, Sara, MD, Brazovski, Eli, MD, Gingold-Belfer, Rachel, MD, Boltin, Doron, MD, Purim, Ofer, MD, Kundel, Yulia, MD, Welinsky, Sara, MD, Brenner, Baruch, MD, Niv, Yaron, MD, Levi, Zohar, MD

“…Summary Immunohistochemistry (IHC) testing for mismatch repair proteins (MMRP) is currently being used primarily in colorectal cancer resection specimens. We…”
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Performance Characteristics and Evaluation of an Automated-Developed and Quantitative, Immunochemical, Fecal Occult Blood Screening Test by VILKIN, Alex, ROZEN, Paul, LEVI, Zohar, WAKED, Amal, MAOZ, Eran, BIRKENFELD, Shlomo, NIV, Yaron

“…Guaiac fecal occult blood colorectal cancer (CRC) screening tests (FOBT) are faulted for low sensitivity and nonspecificity for human hemoglobin (Hb)…”
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Immunohistochemistry staining for mismatch repair proteins: the endoscopic biopsy material provides useful and coherent results by Vilkin, Alex, MD, Leibovici-Weissman, Ya'ara, MD, Halpern, Marisa, MD, Morgenstern, Sara, MD, Brazovski, Eli, MD, Gingold-Belfer, Rachel, MD, Wasserberg, Nir, MD, Brenner, Baruch, MD, Niv, Yaron, MD, Sneh-Arbib, Orly, MD, Levi, Zohar, MD

“…Summary Immunohistochemistry (IHC) testing for mismatch repair proteins (MMRP) in patients with colorectal cancer can be performed on endoscopic biopsy…”
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Gastric mucin expression in Helicobacter pylori-related, nonsteroidal anti-inflammatory drug-related and idiopathic ulcers by Boltin, Doron, Halpern, Marisa, Levi, Zohar, Vilkin, Alex, Morgenstern, Sara, Ho, Samuel B, Niv, Yaron

“…AIM： To determine the pattern of secreted mucin expression in Helicobacter pylori （H. pylori）-related, nonsteroidal anti-inflammatory drug （NSAID）-related and…”
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Membrane-bound mucins and mucin terminal glycans expression in idiopathic or Helicobacter pylori, NSAID associated peptic ulcers by Niv, Yaron, Boltin, Doron, Halpern, Marisa, Cohen, Miriam, Levi, Zohar, Vilkin, Alex, Morgenstern, Sara, Manugian, Vahig, St Lawrence, Erica, Gagneux, Pascal, Kaur, Sukhwinder, Sharma, Poonam, Batra, Surinder K, Ho, Samuel B

“…AIM:To determine the expression of membrane-bound mucins and glycan side chain sialic acids in Helicobacter pylori(H.pylori)-associated,non-steroidal…”
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Association between hMLH1 hypermethylation and JC virus (JCV) infection in human colorectal cancer (CRC) by Vilkin, Alex, Niv, Yaron

“…Incorporation of viral DNA may interfere with the normal sequence of human DNA bases on the genetic level or cause secondary epigenetic changes such as gene…”
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Mucin Function in Inflammatory Bowel Disease: An Update by Boltin, Doron, Perets, Tsachi T, Vilkin, Alex, Niv, Yaron

“…MUC2 is the primary component of the mucin barrier that separates the intestinal microbiota and the intestinal epithelium. This mucous barrier is affected by…”
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Association between time to colonoscopy after a positive guaiac fecal test result and risk of colorectal cancer and advanced stage disease at diagnosis by Beshara, Amani, Ahoroni, Maya, Comanester, Doron, Vilkin, Alex, Boltin, Doron, Dotan, Iris, Niv, Yaron, Cohen, Arnon D., Levi, Zohar

“…We evaluated time to colonoscopy after a positive guaiac‐based fecal occult blood test (gFOBT) result and its association with the risk of overall colorectal…”
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A quantitative immunochemical fecal occult blood test for colorectal neoplasia by Levi, Zohar, Rozen, Paul, Hazazi, Rachel, Vilkin, Alex, Waked, Amal, Maoz, Eran, Birkenfeld, Shlomo, Leshno, Moshe, Niv, Yaron

“…Guaiac-based fecal occult blood tests (FOBTs) for colorectal cancer screening are not specific for human hemoglobin and have low sensitivity…”
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Association Between Polyp Detection Rate and Post-Colonoscopy Cancer Among Patients Undergoing Diagnostic Colonoscopy by Gingold-Belfer, Rachel, Boltin, Doron, Sneh-Arbib, Orly, Comaneshter, Doron, Cohen, Arnon, Flugelman, Anath, Vilkin, Alex, Niv, Yaron, Keinan, Lital Boker, Dotan, Iris, Levi, Zohar

“…Postcolonoscopy colorectal cancer (PCCRC) can arise from missed cancers, missed premalignant lesions, incomplete resection, and new cancers with an accelerated…”
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A higher detection rate for colorectal cancer and advanced adenomatous polyp for screening with immunochemical fecal occult blood test than guaiac fecal occult blood test, despite lower compliance rate. A prospective, controlled, feasibility study by Levi, Zohar, Birkenfeld, Shlomo, Vilkin, Alex, Bar‐Chana, Micha, Lifshitz, Irena, Chared, Miri, Maoz, Eran, Niv, Yaron

“…Immunochemical fecal occult blood test (FIT) is a new colorectal cancer (CRC) screening method already recommended by the American screening guidelines. We…”
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Risk of Neoplastic Progression Among Patients with an Irregular Z Line on Long-Term Follow-Up by Itskoviz, David, Levi, Zohar, Boltin, Doron, Vilkin, Alex, Snir, Yifat, Gingold-Belfer, Rachel, Niv, Yaron, Dotan, Iris, Dickman, Ram

“…Background Barrett’s esophagus (BE) is a known complication of gastroesophageal reflux disease. In a previous study, we described a high prevalence of…”
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Sensitivity, but Not Specificity, of a Quantitative Immunochemical Fecal Occult Blood Test for Neoplasia Is Slightly Increased by the Use of Low-Dose Aspirin, NSAIDS, and Anticoagulants by LEVI, Zohar, ROZEN, Paul, HAZAZI, Rachel, VILKIN, Alex, WAKED, Amal, MAOZ, Eran, BIRKENFELD, Shlomo, LIEBERMAN, Nicky, KLANG, Shmuel, NIV, Yaron

“…We evaluated the effect of the use of aspirin, nonsteroidal anti-inflammatory drugs (NSAIDS), and anticoagulants on the performance of immunochemical fecal…”
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Cumulative evaluation of a quantitative immunochemical fecal occult blood test to determine its optimal clinical use by Rozen, Paul, Comaneshter, Doron, Levi, Zohar, Hazazi, Rachel, Vilkin, Alex, Maoz, Eran, Birkenfeld, Shlomo, Niv, Yaron

“…BACKGROUND: Quantified, human hemoglobin (Hb)‐specific, immunochemical fecal occult blood test (IFOBT) measurements are now used for colorectal cancer (CRC)…”
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Esophago-gastro-duodenoscopy is not indicated in patients with positive immunochemical test and nonexplanatory colonoscopy by Levi, Zohar, Vilkin, Alex, Niv, Yaron

“…OBJECTIVESPatients with positive fecal occult blood test and unrevealing colonoscopy are often advised to undergo esophago-gastro-duodenoscopy (EGD) to exclude…”
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Minidose Aspirin and Gastrointestinal Bleeding—A Retrospective, Case–Control Study in Hospitalized Patients by Sapoznikov, Boris, Vilkin, Alex, Hershkovici, Marcella, Fishman, Michal, Eliakim, Rami, Niv, Yaron

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Patients With Sporadic Colorectal Cancer or Advanced Adenomatous Polyp Have Elevated Anti-JC Virus Antibody Titer in Comparison With Healthy Controls: A Cross-sectional Study by Niv, Yaron, Vilkin, Alex, Levi, Zohar

“…OBJECTIVEJC virus (JCV) is thought to infect approximately 80% of the human population. Antibodies against JCV can be found in the sera of many people with and…”
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Presence of JC Virus DNA in the Tumor Tissue and Normal Mucosa of Patients with Sporadic Colorectal Cancer (CRC) or with Positive Family History and Bethesda Criteria by Vilkin, Alex, Ronen, Ziv, Levi, Zohar, Morgenstern, Sara, Halpern, Marisa, Niv, Yaron

“…Introduction JC virus (JCV) may infect the gastrointestinal tract in childhood, and, by encoding a gene for T-antigen (T Ag), can initiate chromosomal…”
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