Stomach

• Enterococcus gastritis
  11 March 2004

  Synopsis
  severe active gastritis
  focal gastritis
  gram-positive coccobacilli in short to long chains
  Associations
  diabetes (#14562292#)
  See also
  Helicobacter pylori gastritis
  gastritis
  H. pylori-associated gastritis
  Enterococcus infections
  NSAID gastric mucosal injury
  diabetes
  Refrences
  El-Zimaity HM, Ramchatesingh J, Clarridge JE, Abudayyeh S, Osato MS, Graham DY. Enterococcus gastritis. Hum Pathol. 2003 Sep;34(9):944-5. PMID: (...)

• gastric acinar cell carcinoma
  9 March 2004

  References
  Sun Y, Wasserman PG. Acinar cell carcinoma arising in the stomach: A case report with literature review. Hum Pathol. 2004 Feb;35(2):263-5. PMID: #14991547#

• collagenous gastritis
  1 March 2004

  Definition: Colagenous gastritis is characterized by a thick band of collagen immediately beneath the surface epithelium of the gastric mucosa.
  In collagenous gastroduodenitis associated with collagenous colitis, the collagen band in the gastric mucosa can be at the level of the foveolar isthmus.
  Only rare cases of this entity have been described, and its clinical associations remain unclear.
  Collagenous gastritis is rare, affecting men and women, children and adults.
  The disease occurs (...)

• chronic gastritis
  21 January 2004

  WKP PO
  Definition: Chronic gastritis is an inflammatory condition of the gastric mucosa that may include structural alterations of the glandular compartment. See also : gastritis
  Digital case
  HPC:311 : Follicular gastritis and active chronic gastritis, non-atrophical, Helicobacter pylori-associated
  Etiology
  infection-associated gastritis Helicobacter-associated gastritis / Helicobacter pylori infection
  dysimmune gastritis autoimmune gastritis / autoimmune injury IBDs-associated (...)

• granulomatous gastritis
  21 January 2004

  gastric granuloma
  Granulomatous gastritis, as an unqualified term, is a diagnosis of last resort and should be attached to a case only after numerous alternatives have been considered.
  Granulomas may be present in the gastric mucosa in Crohn disease, in sarcoidosis, a variety of infectious diseases (such as tuberculosis, histoplasmosis and anisakiasis), and as a reaction to endogenous and foreign materials.
  Even when the histological appearances of the granulomas are nonspecific, (...)

• infectious gastritis
  21 January 2004

  Images
  CMV-associated gastritis https://twitter.com/mariaramir/status/728698330717499393
  Types
  bacterial gastritis Helicobacter gastritis Helicobacter pylori gastritis Helicobacter heilmanii gastritis Enterococcus gastritis mycobacterial gastritis disseminated tuberculosis Mycobacterium avium-intracellulare (AIDS) gastric syphilis (Treponema pallidum-associated gastritis or syphilitic gastritis)
  viral gastritis enteroviruses cytomegalovirus (CMV gastritis) in children and (...)

• varioliform gastritis
  21 January 2004
• foveolar hyperplasia
  21 January 2004

  Definition: Foveolar hyperplasia is recognized by increased length and tortuosity of the foveolae combined with expansion of the proliferative compartment and an increase in nuclear size relative to the mucin-depleted cytoplasm.
  Images
  Menetrier’s disease : foveolar hyperplasia , elongated gastric pits , atrophic oxyntic glands , edematous lamina propria
  https://twitter.com/Lina_pathMD/status/780093538927153152
  https://twitter.com/Lina_pathMD/status/780093280197316608 (...)

• Crohn gastritis
  12 November 2003

  gastric Crohn disease; Crohn disease in stomach; gastric Crohn disease
  Definition: Crohn disease patients with gastric involvement often also have duodenal disease.
  Images
  Crohn disease with gastric involvement
  https://twitter.com/KUSAURAP/status/858929181681303552
  Endoscopic abnormalities, including mucosal nodularity with cobble stoning, aphthous ulcers, linear or serpiginous ulcers, thickened antral folds, antral narrowing, hypoperistalsis, and duodenal strictures, are present in (...)

• lymphocytic gastritis
  12 November 2003

  Digital case
  HPC:311 : Follicular gastritis and active chronic gastritis, non-atrophical, Helicobacter pylori-associated
  HPC:328 : Lymphocytic gastritis
  Definition: Lymphocytic gastritis is a chronic gastritis characterized by lymphocytosis of foveolar and surface epithelium.
  Lymphocytic gastritis affects 0.83% to 4.5% of individuals,mainly middle-aged and elderly men.
  The disorder complicates various diseases, including celiac disease,
  helicobacter pylori infections, Crohn disease, (...)

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