Infections of the Gastrointestinal Tract
This chapter discusses the histologic features of commonly encountered infections of the gastrointestinal (GI) tract and correlates the morphologic findings with microbiological and molecular testing. It also discusses the major differential diagnoses of
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Hanlin L. Wang Zongming Eric Chen Editors
Practical Gastrointestinal Pathology Frequently Asked Questions
Practical Anatomic Pathology Series Editors Fan Lin Geisinger Health System Danville, PA, USA Ximing J. Yang Feinberg School of Medicine Northwestern University Chicago, IL, USA
This Book Series is designed to provide a comprehensive, practical and state-of-the-art review and update of the major issues and challenges specific to each subspecialty field of surgical pathology in a question and answer (Q&A) format. Making an accurate diagnosis especially from a limited sample can be quite challenging, yet crucial to patient care. This Book Series, using the most current and evidence-based resources 1) focuses on frequently asked questions in surgical pathology in day-to-day practice; 2) provides quick, accurate, terse, and useful answers to many practical questions encountered in daily practice; 3) emphasizes the importance of a triple test (clinical, radiologic, and histologic correlation); 4) delineates how to appropriately utilize immunohistochemistry, in situ hybridization and molecular tests; and 5) minimizes any potential diagnostic pitfalls in surgical pathology. These books also include highly practical presentations of typical case scenarios seen in an anatomic pathology laboratory. These are in the form of case presentations with step-by-step expert analysis. Sample cases include common but challenging situations, such as evaluation of well-differentiated malignant tumors vs. benign/reactive lesions; distinction of two benign entities; sub-classification of a malignant tumor; identification of newly described tumor and non-tumor entities; workup of a tumor of unknown origin; and implementation of best practice in immunohistochemistry and molecular testing in a difficult case. The Q&A format is well accepted, especially by junior pathologists, for several reasons: 1) this is the most practical and effective way to deliver information to a new generation of pathologists accustomed to using the Internet as a resource and, therefore, comfortable and familiar with a Q&A learning environment; 2) it’s impossible to memorialize and digest massive amounts of new information about new entities, new and revised classifications, molecular pathology, diagnostic IHC, and the therapeutic implications of each entity by reading large textbooks; 3) sub-specialization is a very popular practice model highly demanded by many clinicians; and 4) time is very precious for a practicing pathologist because of increasing workloads in recent years following U.S. health care reforms. This Book Series meets all of the above expectations. These books are written by established and recognized experts in their specialty fields and provide a unique and valuable resource in the field of surgical pathology, both for those currently in training and for those already in clinical practice at various skill levels. It does not seek to duplicate or completely replace other large standard textbooks; rather, it is a new, comprehensive yet con
