Esophagus: Normal Structures, Developmental Abnormalities, and Miscellaneous Disorders STRUCTURE OF THE ESOPHAGUS Anatomy The esophagus is a muscular tube that is lined with stratified squamous epithelium. Its average length is…
Gastrointestinal Manifestations of Extraintestinal Disorders and Systemic Disease INTRODUCTION Gastrointestinal symptoms are common in primary extraintestinal diseases as well as in systemic disorders. Such manifestations may occur in a variety…
Disorders of Endocrine Cells INTRODUCTION AND HISTORICAL PERSPECTIVE The gastrointestinal (GI) tract is loaded with endocrine cells that vary from one site to the other based on the functional necessities…
Lymphoproliferative Disorders of the Gastrointestinal Tract OVERVIEW Introduction The gastrointestinal (GI) tract contains the largest aggregate of lymphoid tissue aside from lymph nodes, and it is the most frequent site…
Vascular Disorders and Related Diseases VASCULARIZATION OF THE DIGESTIVE TRACT—OVERVIEW The splanchnic circulation is well developed and composed of major intramural and extramural pathways. Under resting conditions, the splanchnic circulation…
Immunodeficiency Disorders INTESTINAL HOST DEFENCES The gastrointestinal (GI) tract must digest and selectively absorb nutrients, while at the same time excluding large amounts of potentially harmful ingested substances such as…
Dialogue, Biopsies-Taking and Handling; Resected Specimens; Protocols MUCOSAL BIOPSY Most tissue specimens from the gastrointestinal tract are in the form of mucosal biopsy specimens obtained at endoscopy. The pathologist can…
Ulcerative Colitis Victor W. Fazio Five things are proper to the duty of a Chirurgian; To take away that which is superfluous; To restore to their places such things as…
Miscellaneous Colitides Marvin L. Corman Albert O. Kwon This chapter addresses a number of inflammatory conditions of the bowel that, in general, are either infectious or noninfectious. The two conditions…
Intestinal Stomas Marvin L. Corman Th’ incurable cut off, the rest reforme. —BEN JONSON, Cynthia’s Revels 5.11 The purpose of this chapter is to amplify on the methods of creating…
