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Reactive gastropathy, is characterized histologically by: [2] - Foveolar hyperplasia (black arrow), as a tortuosity in the "neck" region of the gastric glands. - Scant or minimal inflammatory cells (white arrow), i.e. lack of large numbers of neutrophils and plasma cells.. - Smooth muscle hyperplasia in the lamina propria (in black oval).
Micrograph of Barrett's esophagus (left of image) and normal stratified squamous epithelium (right of image). Alcian blue stain.. Glandular metaplasia is a type of metaplasia where irritated tissue converts to a glandular form.
The usual appearance of portal hypertensive gastropathy on endoscopy is a mosaic-like or reticular pattern in the mucosa. Red spots may or may not be present. The pattern is usually seen throughout the stomach. [2] A similar pattern can be seen with a related condition called gastric antral vascular ectasia (GAVE), or watermelon stomach.
Chronic inflammation caused by H. pylori infection in the stomach and GERD in the esophagus are seen as the primary instigators of metaplasia and subsequent adenocarcinoma formation. Initially, the transformed epithelium resembles the small intestine lining; in the later stages it resembles the lining of the colon.
While the diagnosis of lymphocytic esophagitis depends on the biopsy results, certain changes can be visualized directly at the time of endoscopy. The esophagus may be narrow in calibre, [ 5 ] may show multiple rings, [ 5 ] redness, [ 5 ] linear furrows [ 1 ] or the mucosal lining may slide demonstrating a "crepe-paper" appearance. [ 1 ]
Microglandular hyperplasia (MGH) of the cervix is an epithelial (endocervical mucosa) benign abnormality (lesion) associated with gland proliferation. [1] [2] It can terminate in mature squamous metaplasia, and it is suspected reserve cells are involved in this process, perhaps in the form of reserve cell hyperplasia with glandular differentiation.
The esophageal gland or oesophageal pouch is a part of the digestive system of some gastropods.The esophageal gland or pouch is a common feature in so-called basal gastropod clades, including Patelloidea, Vetigastropoda, Cocculiniformia, Neritimorpha and Neomphalina.
It is present in the lining of the fallopian tubes, where currents generated by the cilia propel the egg cell toward the uterus. Ciliated columnar epithelium forms the neuroepithelium of the ependyma that lines the ventricles of the brain and central canal of the spinal cord. These cilia move the cerebro-spinal fluid (CSF).