Cases reported "Gastritis"

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1/34. Autoimmune atrophic gastritis with hypergastrinemia.

    Elevation in fasting serum gastrin levels was found in three patients being evaluated for persistent upper abdominal pain without radiographic evidence of peptic ulcer disease. Fiberoptic endoscopy of the upper gastrointestinal tract in each patient revealed characteristic changes of chronic atrophic gastritis. Gastric biopsies showed diffuse chronic inflammation in the lamina propria, a decrease in the number of parietal cells, and "intestinalization" of gastric mucosa. Total achlorhydria was demonstrated after a maximal histalog stimulus; however, serum levels of vitamin B12 and schilling test values were normal in all three patients. Parietal cell antibodies were found in the serum in all patients in a dilution of 1:20 to 1:80. These cases represent autoimmune (type A) chronic atrophic gastritis and should be distinguished from chronic simple (type B) gastritis, in which serum gastrin levels are normal and no parietal cell antibodies are found in the serum. patients with autoimmune gastritis should be observed at frequent intervals for the occurrence of pernicious anemia or gastric carcinoma.
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2/34. helicobacter heilmannii associated erosive gastritis.

    The spiral bacteria, helicobacter heilmannii (H. heilmannii), distinct from helicobacter pylori (H. pylori), was found in the gastric mucosa of a 71-year-old man without clinical symptoms. The endoscopic examination revealed erosive gastritis. Rapid urease test from the antral specimen was positive, but both culture and immunohistological staining for H. pylori were negative. touch smear cytology showed tightly spiral bacteria, which were consistent with H. heilmannii. At the second endoscopy after medication regimen for eradication of H. pylori, inflammation was decreased and the rapid urease test was negative. The second cytology showed no evidence of H. heilmannii. Anti-H. pylori therapy may be a useful medication for H. heilmannii.
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3/34. Collagenous gastritis: a case report, morphologic evaluation, and review.

    Collagenous gastritis is rare; there are only four previous case reports. Histologic features seem to overlap with the other "collagenous enterocolitides"; however, pathologic criteria are not yet established for the diagnosis of collagenous gastritis. We describe an additional case of ostensible collagenous gastritis in a patient who initially presented with celiac sprue and subsequently developed colonic manifestations of mucosal ulcerative colitis. Endoscopic biopsies of the stomach revealed deposition of patchy, very thick bandlike subepithelial collagen in gastric antral mucosa, focal superficial epithelial degeneration, numerous intraepithelial lymphocytes, and a dense lamina propria lymphoplasmacytic infiltrate. Image analysis evaluation of gastric antral biopsies demonstrated a mean thickness of subepithelial collagen of 27.07 micron. Morphologic comparison was made with age-matched control groups of 10 patients who had normal gastric mucosal biopsies and 10 patients who had "chronic" gastritis, which revealed mean subepithelial collagen measures of 1.37 micron and 1.19 micron, respectively. We compared these morphologic findings with those of all previous case reports of collagenous gastritis and propose a pathologic definition based on the limited combined data. It seems that subepithelial collagen is dramatically thickened in reported cases of collagenous gastritis, with a cumulative mean measure of 36.9 micron. It is also apparent from this and previous reports that the thickened subepithelial collagen is accompanied by a chronic or chronic active gastritis and sometimes intraepithelial lymphocytes and surface epithelial damage. Recently described associations of lymphocytic gastritis, sprue, and lymphocytic colitis as well as collagenous and lymphocytic colitis suggest a common pathogenesis that empirically may include collagenous gastritis in the same disease spectrum. We propose that collagenous gastritis can be confidently identified by using analogous defined features of collagenous colitis: subepithelial collagen more than 10 micron in a patchy distribution, lamina propria lymphoplasmacytic infiltrates, intraepithelial lymphocytes, and surface epithelial damage. Collagenous gastritis also seems to have the same spectrum of associated clinical findings as collagenous colitis, including frequent coexistence of celiac sprue, watery diarrhea syndrome, and female predominance.
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4/34. Severe acute gastritis associated with helicobacter pylori infection.

    We describe the case of a young female referred to our unit because of acute upper abdominal symptoms. Upper gastrointestinal endoscopy showed a gastric picture resembling lymphoma or acute non-steroidal anti-inflammatory drug gastropathy (deep, large and irregular ulcers), but the clinical history and the histological examination of gastric biopsies were consistent only with acute gastritis helicobacter pylori-correlated. The patient was treated with omeprazole and antibiotics with complete recovery. As the patient's cat had suffered from an acute gastrointestinal distress two weeks earlier, a case of zoonosis was hypothesized and an upper gastrointestinal endoscopy was performed also on the cat. Unfortunately, we were not able to detect helicobacter pylori in the cat gastric mucosa, but only urease-producing spiral microorganisms. Possible sources of infection and pathogenetic mechanisms of the severe gastritis are discussed.
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keywords = spiral
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5/34. Acute measles gastric infection.

    We describe the case of a 44-year-old man who was referred for gastroscopy because of abdominal pain. During endoscopy, inflammatory changes of the antrum and corpus mucosa were clearly visible, and biopsy samples from the antrum and corpus mucosa were taken. At histology, routine hematoxylin and eosin staining showed characteristics indicative of so-called ex-helicobacter pylori-gastritis that had developed after antibiotic treatment 2 years ago. Additional large, bizarre inclusion bodies and clusters of multinucleated giant cells were located in the surface epithelium and within the lamina propria. These giant cells had an appearance similar to that of Warthin-Finkeldey cells, which can be found during the prodromal phase of measles infection. Anti-measles virus immunochemistry showed a strong positivity for measles virus antigen within the giant cells. Based on these results, the final diagnosis of morbilliform gastritis was made. To our knowledge, no case of measles gastritis has been described in the literature. Our case report confirms the systemic character of measles virus infection and confirms that measles viral replication can involve the gastric mucosa in addition to the conjunctiva, lung, and intestina.
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6/34. Gastric carcinoid tumors as a consequence of chronic hypergastrinemia: spiral CT findings.

    The development of gastric carcinoid tumors is a rare but recognized complication of prolonged, severe hypergastrinemia. We present 2 patients with elevated gastrin levels who developed gastric carcinoid tumors and the CT findings are reviewed.
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7/34. helicobacter pylori-negative gastric ulcerations associated with celiac disease at first presentation.

    Ulcers of the small bowel have repeatedly been described as a late complication of celiac disease and they are considered a signum mali ominis. We report a case of a 53-year-old woman presenting with diarrhea, epigastric pain and abdominal distensions for a period of few weeks. At upper GI endoscopy, biopsies were taken showing complete atrophy of the villi and colonization of the small bowel mucosa. Additionally, uncommon multilocular peptic ulcers were seen in the gastric antrum. These ulcers proved to be helicobacter pylori-negative with no evidence of zollinger-ellison syndrome. Biopsies of gastric ulcers showed signs of a lymphocytic gastritis with an extensive infiltration of the lamina propria by almost exclusively CD3- and CD45R0-positive t-lymphocytes. Intraepithelial t-lymphocytes were found to be increased in the antral as well as the corpus mucosa. Typing the patient for human leukocyte antigens showed a DQA1*0501 and DQB1*0201 phenotype. According to the present report, gastric peptic ulcers seem to be another phenomenon associated with celiac disease. In the case presented here, ulcers were diagnosed together with celiac disease already at first presentation of the patient.
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8/34. A unique early gastric tubular adenocarcinoma arising from a pre-existent carcinoid tumor in a patient with a more than 20-year history of type A gastritis: an immunohistochemical and ultrastructural study.

    A unique early gastric tubular adenocarcinoma developed from a pre-existent carcinoid tumor in a patient with a more than 20-year history of type A gastritis, multiple endocrine cell micronests, hypergastrinemia, and a high level of serum antiparietal cell autoantibody. The patient was a 60-year-old Japanese man. The background gastric mucosa around the tumor showed marked atrophy with intestinal metaplasia, in which endocrine cell micronests were frequently observed, and was consistent with type A gastritis. The mass was composed of both adenocarcinoma and carcinoid tumor. The adenocarcinoma was restricted to the lamina mucosa and submucosal area, and constituted a minor component of the tumor mass. The carcinoid tumor was the dominant constituent of the tumor, that invaded continuously the subserosa and muscularis propria. Based on this examination together with the detailed immunohistochemical and ultrastructural studies, the adenocarcinoma was presumed to have developed from the pre-existent carcinoid tumor. Ultrastructurally there were no amphicrine cells in the tumor, containing both endocrine granules and mucin droplets.
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9/34. Autoimmune enteropathy in an adult with autoimmune multisystemic involvement.

    We describe the case of a 58-year-old woman with autoimmune enteropathy associated with thyroiditis, gastritis, transitory neutropenia, sicca syndrome and severe axonal polyneuropathy of autoimmune origin. Enterocyte autoantibodies were not detected. However, predisposition to autoimmune disease was indicated by the presence of high titres of anti-gastric parietal cell, anti-thyroglobulin, anti-thyroid peroxidase and anti-neutrophil antibodies. CD4 and CD8 lymphocytes were equally distributed in the lamina propria of the small intestine, but CD8 cells were highly represented among intraepithelial lymphocytes.
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10/34. Russell body gastritis: an unusual, tumor-like lesion of the gastric mucosa.

    The case of an 80-year-old woman who presented with epigastric symptoms is reported. Upper gastrointestinal endoscopy displayed candida esophagitis and a localized swelling of the fundic mucosa. Histologic examination of the gastric biopsy showed a distinctive accumulation of numerous uniform plasma cells filled with so-called Russell bodies. On low-power view, the lesion resembled a neoplastic process due to the marked expansion of the lamina propria with distension of fundic glands. However, immunohistochemistry confirmed a polyclonal pattern of the plasma cells. This unusual reactive lesion of the gastric mucosa has only rarely been described and has been termed Russell body gastritis.
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