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Tag Archives: Gastroenterology

Infectious diseases of the gut

August 2022—The atypia in Epstein-Barr virus-positive mucocutaneous ulcers can mimic diffuse large B-cell lymphoma or classical Hodgkin lymphoma, a diagnostic pitfall that can result in overtreatment. And esophageal ulcers in immunocompromised patients should trigger cytomegalovirus immunohistochemistry in addition to GMS and herpes simplex virus-1 and -2 stains.

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What’s bugging the gut? A team approach

July 2022—Gut pathogens, their histologic features, and a GI pathology and microbiology team approach to diagnosis were the focus of a CAP21 session, “What’s Bugging the Gut?” Maryam Zenali, MD, Alina Iuga, MD, and Christina Wojewoda, MD, presented a series of cases and highlighted the features, the differential diagnoses, and the integrated workups. Three of their cases follow here, with others to be reported in an upcoming issue.

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Struggling to find a foothold with NAFLD

March 2020—For pathologists, a first look at nonalcoholic fatty liver disease can be jarring. Purva Gopal, MD, has seen her share of initial biopsies on patients whose “livers are already cirrhotic,” she says. So has Cynthia Guy, MD, professor, Department of Pathology, and chief of the liver and GI surgical pathology section, Duke University Health System. It’s not a good look, obviously, so it’s one she’s doing her best to share with clinical colleagues. At her institution, pathologists have built a strong connection with the hepatologists and gastroenterologists, she says, and NAFLD is part of the regular show-and-tell.

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Recommendations for investigating liver chemistry abnormalities are unworkable

October 2017—A new guideline on the evaluation of abnormal liver chemistries was published in the January 2017 issue of the American Journal of Gastroenterology (AJG).1 The guideline, developed by the American College of Gastroenterology’s practice parameters committee, is based on three resources, the first of which is a review of published research. The other two resources are notably similar and largely based in expert opinion.

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