Disorders of Potassium Metabolism

Nov 17, 2018 by in NEPHROLOGY Comments Off on Disorders of Potassium Metabolism

Disorders of Potassium Metabolism Biff F. Palmer Thomas D. DuBose Jr. Introduction Potassium plays a key role in maintaining cell function. All cells possess the ubiquitous Na+/K+ ATPase exchanger, which…

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Disorders of Water Homeostasis

Nov 17, 2018 by in NEPHROLOGY Comments Off on Disorders of Water Homeostasis

Disorders of Water Homeostasis Tomas Berl Robert W. Schrier Historical and Evolutionary Aspects of Renal Concentrating and Diluting Processes In From Fish to Philosopher, Smith (1) suggested that the concentrating…

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Polyposis and Hereditary Cancer Syndromes

Oct 28, 2018 by in GASTROENTEROLOGY Comments Off on Polyposis and Hereditary Cancer Syndromes

Polyposis and Hereditary Cancer Syndromes Amy E. Noffsinger ▪ POLYPOSIS SYNDROMES Introduction Polyps may develop anywhere throughout the gastrointestinal (GI) system and arise either as sporadic lesions or as part…

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Inflammatory Bowel Disease

Oct 28, 2018 by in GASTROENTEROLOGY Comments Off on Inflammatory Bowel Disease

Inflammatory Bowel Disease Ilyssa O. Gordon Chronic idiopathic inflammatory bowel disease (IBD) includes two chronic gastrointestinal (GI) disorders of unknown etiology: ulcerative colitis (UC) and Crohn disease (CD). The natural…

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Motility Disorders

Oct 28, 2018 by in GASTROENTEROLOGY Comments Off on Motility Disorders

Motility Disorders Amy E. Noffsinger Normal gastrointestinal motility depends on intact neuromuscular function including both intrinsic and extrinsic innervation, interstitial cells of Cajal (ICCs), and the activity of smooth and…

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The Nonneoplastic Small Intestine

Oct 28, 2018 by in GASTROENTEROLOGY Comments Off on The Nonneoplastic Small Intestine

The Nonneoplastic Small Intestine Jonathan N. Glickman ▪ EMBRYOLOGY AND DEVELOPMENT There are two major steps in gastrointestinal (GI) development: the formation of the gut tube and the formation of…

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Neoplastic Appendix

Oct 28, 2018 by in GASTROENTEROLOGY Comments Off on Neoplastic Appendix

Neoplastic Appendix Amy E. Noffsinger Appendiceal tumors constitute less than 0.4% of all intestinal neoplasms. Pathologically, they resemble their small and large intestinal counterparts. The most significant difference between appendiceal…

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