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                Scientific Publications 2013 August

                Blog Posts in December 2013

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                31 results found. Viewing page 1 of 2. Go to page 1 2   Next

                  Help us help you! A Practical Approach to Biopsying the GI Tract

                  December 27, 2013

                  Part 1—Upper GI tract Optimal biopsy sampling will help your expert Inform Diagnostics GI Pathologist to render a specific and accurate diagnosis. In the gastrointestinal tract, it is often important to sample normal-appearing as well as abnormal-appearing mucosa, as many disorders are ...

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                  The Intradepartmental Consultation: Collaborative Teamwork at its Best

                  November 29, 2013

                  There are many quality-control measures and programs in place at Inform Diagnostics Life Sciences that complement our expertise, ensure the highest quality, and promote the most accurate diagnoses. Among them is the intradepartmental consultation. When a pathologist encounters a difficult case, an ...

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                  Helicobacter-negative Chronic Active Gastritis is an Independent Nosologic Entity, Not Merely Missed Helicobacter Infection: A Nationwide Study of 600,000 Patients

                  November 14, 2013

                  Helicobacter -negative chronic active gastritis is a histopathologic entity characterized by diffuse chronic active inflammation in a pattern typically encountered in H. pylori gastritis, but with no organisms detectable by conventional histology or immunohistochemical staining. View the poster ...

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                  HER2 Testing: A New Hope for Patients with Gastric and Gastro-Esophageal Adenocarcinoma

                  October 24, 2013

                  Gastric cancer is associated with substantial morbidity and mortality worldwide. It is the second most common cause of cancer-related deaths globally.1 In the United States, the majority of patients with gastric cancer present with advanced, metastatic, or inoperable disease, and typically require ...

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                  Esophageal Eosinophilia and Gastric Mucosal Pathology: Is There a Link?

                  October 9, 2013

                  We have previously reported, and others have confirmed, an inverse relationship between eosinophilic esophagitis and Helicobacter pylori gastritis. Other conditions affecting the stomach can include reactive gastropathy, autoimmune atrophic gastritis, chronic inactive gastritis, and intestinal ...

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                  Anal Canal Syphilis: A Challenging Diagnosis for the Gastrointestinal Pathologist

                  October 9, 2013

                  The rates of primary and secondary syphilis have been increasing in the United States since 2001, following a historic low in 2000. The manifestations of syphilis as a genital disease are well described; however, its presentation as primary anal canal disease remains relatively unexplored. Although ...

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                  Understanding the behavior and progression of sessile serrated adenomas

                  October 3, 2013

                  As pathologists, diagnostic excellence is always our goal. Even so, we are often stymied by differences in terminology, inconsistent application of microscopic criteria and insufficient large-scale studies. These differences make it difficult to answer important questions in pathology. A good ...

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                  Low-grade Dysplasia in Barrett's Esophagus: A Difficult Diagnosis Best Handled by Experts

                  September 27, 2013

                  Low-grade dysplasia in Barrett’s esophagus is overdiagnosed. Studies have shown that Barrett’s mucosa with low-grade dysplasia is significantly over-diagnosed.[1] In one study, 12.2% of Barrett’s patients were diagnosed with low-grade dysplasia. However, only 1.8% of all ...

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                  Failure to follow biopsy guidelines may contribute to the under-diagnosis of celiac disease in the United States

                  September 27, 2013

                  When faced with a patient with possible celiac disease, a physician has the option to conduct several tests, including a blood test to look for gluten antibodies and nutritional deficiencies, a stool test to check for signs of malabsorption, and an endoscopy to visualize the small intestine for ...

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                  Spare the H. pylori and spoil the esophagus?

                  September 25, 2013

                  Eosinophilic esophagitis (EoE) is a condition that causes swallowing problems, particularly in younger patients. EoE, which is believed to result from allergic processes, has dramatically increased in frequency in the last decade, but the reasons for this increase remain unknown. After a series of ...

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                  The Mismatch Repair Gene Mutation Screening Program for Lynch Syndrome: Identifying Patients at Risk

                  September 20, 2013

                  The Inform Diagnostics DNA mismatch repair (MMR) gene mutation screening program for Lynch Syndrome was initiated in March 2010, with the objective of testing not only all newly diagnosed colorectal adenocarcinomas, but also high-grade precancerous polyps (adenomas with high grade dysplasia) and ...

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                  Focal Active Colitis: What does this histologic pattern mean clinically?

                  September 19, 2013

                  Focal active colitis (FAC) is a histologic pattern of injury, not a specific diagnosis. From a morphologic standpoint, FAC is defined either as a single focus of neutrophilic crypt injury (cryptitis) or as multiple separate foci of cryptitis occurring in different pieces of tissue within the same ...

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                  Eosinophilic Esophagitis is Associated with an Increased Prevalence of Inflammatory Bowel Disease

                  September 18, 2013

                  Eosinophilic esophagitis (EoE) is an increasingly prevalent chronic disease thought to arise from an allergy/immune-mediated process. Reports of patients with EoE and concurrent inflammatory bowel disease (IBD) have suggested that there might be an association between these two conditions. However, ...

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                  Unexpected Candidiasis in the Endoscopically Normal Esophagus

                  September 3, 2013

                  We identified several cases in which a histopathologic diagnosis of Candida esophagitis was made in a patient with no known risk factors and an esophagus specifically described as endoscopically normal. A diagnosis of Candida esophagitis in such patients tended to generate questions from the ...

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                  Intestinal Spirochetosis is Associated with Diarrhea, Weight Loss and Abdominal Pain: A Study of 447 Patients and 1.2 Million Controls

                  August 28, 2013

                  Intestinal spirochetosis is a condition in which the colonic mucosa is colonized by anaerobic spirochetes, either Brachyspira aalborgi or Brachyspira pilosicoli. Intestinal spirochetosis is generally associated with immunocompromised states such as Human Immunodeficiency Virus (HIV) infection, but ...

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                  Low Prevalence of Colon Polyps in Patients with Diarrhea and Microscopic Colitis

                  August 19, 2013

                  Microscopic colitis (MC) is a condition that includes a spectrum of histological abnormalities of the colonic mucosa, ranging from an increase in the number of intraepithelial lymphocytes (IELs) (‘‘lymphocytic colitis’’, or LC) to a diffuse lymphoplasmocytic infiltrate of the ...

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                  Gastric Pathology in HIV-Infected Patients

                  August 1, 2013

                  Thirty years after its discovery, Helicobacter pylori remains the world’s most common infectious agent, with an estimated prevalence ranging from less than 5% in Northern European children to more than 80% in certain underprivileged populations in Asia, Africa, and Latin America. View the ...

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                  Proton Pump Inhibitor Use in Patients with Helicobacter Gastritis is Associated with a High Prevalence of Corpus-Predominant Gastritis and Intestinal Metaplasia

                  July 25, 2013

                  European studies have shown that long-term proton-pump inhibitor (PPI) therapy in patients with GERD and antrum-predominant (AP) gastritis may induce a proximal shift of both bacteria and inflammation, resulting in corpus-predominant (CP) gastritis and acceleration of atrophy. In the US it is ...

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                  Recognition of the null staining pattern increases the utility of p53 IHC in Barrett's esophagus

                  July 17, 2013

                  Mutation and/or deletion of p53, a cell cycle regulatory gene, is a promising biomarker for predicting the risk of neoplastic progression in Barrett’s esophagus (BE). Although overexpression of p53 by immunohistochemistry (IHC) is a useful surrogate for point mutations, complete absence of p53 ...

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                  Differences and Similarities in the Epidemiology of Lymphocytic and Collagenous Colitis

                  July 11, 2013

                  It is unknown whether the subtypes of microscopic colitis represent distinct nosologic entities or related presentations of the same disease. Our aim was to search for epidemiologic differences and similarities among its various histopathologic subtypes, such as lymphocytic, collagenous, and ...

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                  Hyperplastic Polyps Predict the Subsequent Occurrence of Adenomatous Polyps on Follow-up Colonoscopy

                  July 4, 2013

                  The occurrence of hyperplastic polyps during colonoscopy is usually considered an incidental finding of little or no clinical significance. We pursued the hypothesis that diagnosis of hyperplastic polyps on index colonoscopy predicted the occurrence of adenomatous polyps on follow-up colonoscopy. ...

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                  Low Prevalence of H. pylori Infection in Patients with Gastroparesis

                  June 28, 2013

                  Gastroparesis is a condition characterized by gastric retention in the absence of physical obstruction. As part of an ongoing project aimed at determining the pathogenesis of reactive gastropathy, we hypothesized that patients with gastroparesis, in whom potentially noxious substances (e.g., ...

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                  DNA Mismatch Repair Deficiency in Inflammatory Bowel Disease Associated Colorectal Carcinomas

                  June 19, 2013

                  Colorectal cancer (CRC) occurring in the setting of Inflammatory Bowel Disease (IBD) is relatively uncommon. Compared to sporadic CRC, the molecular pathogenesis of IBD-associated CRC has some distinctive features, particularly the timing of acquisition of genetic changes during progression through ...

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                  Gastroduodenal Pathology in Inflammatory Bowel Disease

                  May 28, 2013

                  Inflammatory bowel disease (IBD) includes Crohn’s disease (CD) and ulcerative colitis (UC). Traditionally, CD is thought to involve the entire gastrointestinal tract in a patchy manner. UC involves the colon in a diffuse and continuous manner. Upper gastrointestinal inflammation, relatively ...

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                  Granular Cell Tumors of the Gastrointestinal Tract: Clinicopathologic Associations in a Large Series

                  May 13, 2013

                  We designed this study to use a large national pathology database to better characterize the demographic and clinicopathologic features of granular cell tumors (GCT) of the gastrointestinal tract. Because these tumors are relatively uncommon, their characteristics remain poorly defined. View the ...

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                31 results found. Viewing page 1 of 2. Go to page 1 2   Next

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