Abnormal mucosa in the esophagus
[DOC File]GI Disease
https://info.5y1.org/abnormal-mucosa-in-the-esophagus_1_94ea3f.html
Comps: ulcer, stricture, Barrett’s esophagus *Barret’s Esophagus: a complication long standing GERD - distal squamous mucosa is replaced by metaplastic columnar epithelium (mixed gastric & intestinal) assoc. w/ an ( risk of adenocarcinoma of the esophagus (30-40 fold normal) adenocarcinoma of the GE jxn assoc. w/ short segment Barret’s
[DOC File]Read Me First - University of Phoenix
https://info.5y1.org/abnormal-mucosa-in-the-esophagus_1_c53226.html
Villi: microscopic projections of the mucosa within the lumen of the small intestines Identify the structure and function of the gastrointestinal system. Structure: The gastrointestinal system begins with food entering the oral cavity (mouth) and continuing in to the pharynx, esophagus, stomach, intestines, rectum, then the anus, where food is ...
Esophagus
Over years, the esophagus gets more and more dilated until it becomes a megaesophagus. The esophagus also loses its peristaltic capacity as it’s stretched out. Pseudoachalasia. Compression of the distal esophagus by a tumor, congenital anomaly or tight fundoplication. Problems: Obviously the main problem is the inability to eat
RICK A
The endoscope was advanced down the esophagus to a point where the squamocolumnar junction, ora serrata or “Z” line could be identified. It was at this point where changes associated with gastroesophagitis were noted. A small island of mucosa at the E-G junction extending onto the esophageal wall was biopsied.
[DOC File]Role of Endoscopy in Diagnosing GERD & Barrett’s Esophagus
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Barrett’s esophagus is a complication of gastroesophageal reflux disease, it is clinically important not only as a marker of severe reflux, but also as a potential precursor of cancer of the esophagus. Diagnostic upper endoscopy in GERD may reveal either a normal or an abnormal esophagus characterized by ulcers, erosions, exudates, and ...
[DOC File]What everyone should know
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The lining of the esophagus is known as the “mucosa.” Most of the esophagus is lined by squamous cells, similar to those seen on the surface of the skin. Goblet cells are the normal lining cells in the intestines, but not in the esophagus.
[DOC File]Title: Gastroesophageal Reflux Disease
https://info.5y1.org/abnormal-mucosa-in-the-esophagus_1_901af2.html
The esophagus needs to be able to clear acid to prevent GERD. When there is abnormal esophageal peristalsis or salivary bicarbonate the acid stomach contents may do more damage to the esophagus. Hormones – particularly estrogen - also have some role in the pathophysiology of the disease.
Key Points, Gastro 2 - Ohio University
Usually the LES is reinforced by the constricting and constraining forces of the small hole in the diaphragm through which the esophagus passes (the esophageal hiatus of the diaphragm); but in hiatal hernia the esophagus appears as if it had shortened and pulled up the LES and the top of the stomach up through the diaphragm into the mediastinum; this abnormal positioning makes the LES less ...
[DOC File]Chapter 23 The Gastrointestinal Tract
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Retching and vomiting lacerates mucosa, which may bleed profusely. CARCINOMA OF ESOPHAGUS. Squamous cell carcinoma gradually narrows lumen. May invade trachea and cause fistula. FOOD IMPACTION. Poorly chewed meat may block esophagus. Occurs in persons unable to chew properly. STRICTURE. Esophagus narrowed by scar.
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