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Esophageal inlet patches are well defined areas of mucosa which resemble stomach tissue and are pink or salmon colored. [2] The mucosal surface of an esophageal inlet patch is typically flat, [3] but may be slightly raised or slightly depressed. [2]
Esophageal webs are associated with bullous diseases (such as epidermolysis bullosa, pemphigus, and bullous pemphigoid), with graft versus host disease involving the esophagus, and with celiac disease. [5] Esophageal webs are more common in white individuals and in women (with a ratio of 2:1).
They tend to occur on esophageal folds, and may be missed if the esophagus is not well distended with air. It may be seen on esophageal x-rays; it is not seen on standard esophograms, but can be seen with double-contrast studies. [3] Biopsies of the lesions show hypertrophied stratified squamous mucosa with glycogen deposition in the mucosa. [1]
Section of the human esophagus. Moderately magnified. The section is transverse and from near the middle of the gullet. a. Fibrous covering. b. Divided fibers of longitudinal muscular coat. c. Transverse muscular fibers. d. Submucous or areolar layer. e. Muscularis mucosae. f. Mucous membrane, with vessels and part of a lymphoid nodule. g.
The mucosa, the inner most layer and lining of the esophagus, is composed of stratified squamous epithelium, lamina propria, and muscularis mucosae. At the end of the esophagus is the lower esophageal sphincter, which normally prevents stomach acid from entering the esophagus.
The diagnosis of lymphocytic esophagitis is made by biopsy of the mucosal lining of the esophagus. This is typically achieved at the time of esophagogastroduodenoscopy, a medical procedure wherein an endoscope is inserted through the mouth, into the esophagus, in order to visualize and biopsy the mucosa. [citation needed]
Portal hypertensive gastropathy refers to changes in the mucosa of the stomach in patients with portal hypertension; by far the most common cause of this is cirrhosis of the liver. These changes in the mucosa include friability of the mucosa and the presence of ectatic blood vessels at the surface.
Alveolar mucosa, the lining between the buccal and labial mucosae. It is a brighter red, smooth, and shiny with many blood vessels, and is not connected to underlying tissue by rete pegs. [6] Buccal mucosa, the inside lining of the cheeks; part of the lining mucosa. Labial mucosa, the inside lining of the lips; part of the lining mucosa. [7]