Whipple’s Disease (N Engl J Med 2007;356:55-66) DEFINITION: An extremely rare infectious illness that causes an intestinal malabsorption process Can have numerous other potential manifestations including rheumatological, cardiopulmonary, and neurological…
Small Bowel Tumors DEFINITION: Tumors of the small bowel; Fortunately primary neoplasia of the small bowel is rare EPIDEMIOLOGY: Small bowel comprises >75% of the length and >90% of the…
Short Bowel Syndrome (Gut 2006;55:1-12. Gastroenterology 2003;124:1105-10 & 1111-34) DEFINITION: A malabsorptive state that often follows massive resection of the small intestine The definition is a functional one: the extent…
Nutrition: Total Parenteral Nutrition (TPN) & Refeeding Syndrome (Gastroenterology 2001;121:966-69 & 970-1001) GENERAL NUTRITION QUESTIONS/ANSWERS: Ask yourself: How long has the patient been without nutrition? How malnourished is the patient?…
Nutrition: Malnutrition & Obesity (Gastroenterology 2002;123:879-81 & 882-32) DEFINITIONS: Nutritional status: reflects how well nutrient intake contributes to body composition and function in the face of existing metabolic needs Four…
Megacolon (Ogilvie’s Syndrome) (Gastrointest Endosc 2002;56:789-92) DEFINITION: Ogilvie’s Syndrome (Acute Colonic Pseudo-obstruction): acute non-toxic megacolon without evidence of more distal colonic obstruction Usually dilation of cecum and/or right side of…
Ischemic Small Bowel (Gastroenterology 2000;118:951-53 & 954-68) DEFINITION: Ischemic injury of the intestine resulting from deprivation of oxygen and nutrients necessary for cellular integrity EPIDEMIOLOGY: Responsible for about 0.1% of…
Ischemic Colitis (Gastroenterology 2000;118:951-53 & 954-68) DEFINITION: The most common form of intestinal ischemic injury EPIDEMIOLOGY: Most are older than 60; The incidence is underestimated because many suffer only mild…
Irritable Bowel Syndrome (IBS) (Gastroenterology 2006;130:1480-91 & 2002;123:2105-07 & 2108-31) DEFINITION: A group of functional bowel disorders which abdominal discomfort or pain is associated with defecation or change in bowel…
GI Endocrine Tumors GENERAL: Most are classified as functional or non-functional depending if the clinical syndrome is due to a hormone release Non-functioning tumors are generally reported as incidental finding…
