Stomach

• gastric hemosiderosis
  30 May 2016

  Images
  gastric hemosiderosis https://twitter.com/zhang_xuchen/status/736682080562774018
  See also
  hemosiderosis
  gastric mucosal anomalies

• gastric xanthoma
  25 May 2016

  See also
  digestive anomalies
  xanthoma digestive xanthoma

• gastric schwannoma
  21 March 2016

  Image
  gastric schwannoma https://twitter.com/AdamGomezMD/status/690680550021959680
  See also
  schwannoma / schwannomas

• fundic glands
  8 March 2016

  fundic gland
  Images
  https://twitter.com/guiahistologia/status/696868232867639296
  See also
  stomach
  antral glands

• hyalinoid giant cell gastritis
  3 February 2016

  This degenerative and inflammatory lesion of the stomach clinically simulate gastric carcinoma because of the extensive involvement of the mucosa and submucosa by the process.
  Histologically, it is characterized by eosinophilic hyalinoid degeneration of smooth muscles in the muscularis mucosae as well as mucosal and submucosal blood vessels accompanied with foreign body giant cells and other inflammatory cells.
  The lesion occurred in association with chronic peptic ulcers, and a small (...)

• gastric inverted hyperplastic polyp
  3 February 2016

  Gastric inverted hyperplastic polyp (IHP) is a rare type of gastric polyp, and is characterized by downward growth of the hyperplastic mucosal components into the submucosa.
  The lesions are mainly composed of hyperplastic foveolar-type glands with focal cystic dilatation.
  Pyloric type glands, endocrine cells, acinic cell metaplasia, and smooth muscle bundles were also seen as components of the polyp.
  Some cases can coexist with multifocal gastritis cystica profunda (GCP) and gastric (...)

• gastric adenocarcinoma of fundic gland type
  3 February 2016

  gastric adenocarcinoma with chief cell differentiation (chief cell predominant type); Gastric Adenocarcinoma of Chief Cell Predominant Type
  Images
  well differentiated fundic gland type gastric carcinoma https://twitter.com/KUSAURAP/status/875516342098468864
  References
  Gastric adenocarcinoma with chief cell differentiation: a proposal for reclassification as oxyntic gland polyp/adenoma. Singhi AD, Lazenby AJ, Montgomery EA. Am J Surg Pathol. 2012 Jul;36(7):1030-5. (...)

• reactive gastropathy
  3 February 2016

  Definition: Reactive gastropathy refers to the constellation of endoscopic and histologic findings caused by chemical injury to the gastric mucosa.
  Images
  Reactive gastropathy - chemical gastropathy : prominent foveolar hyperplasia & splayed smooth muscle fibres. NSAID use.
  https://twitter.com/studyhistology/status/707301685975187456
  The histologic picture is characterized by foveolar hyperplasia with edema, smooth muscle hyperplasia, and congestion of superficial capillaries in (...)

• Smooth Muscle Cell anomalies associated with Gastric ECL Cell Carcinoid
  3 February 2016

  The histologic and immunohistochemical study of ECL cell gastric carcinoids and of the extratumoral gastric mucosa revealed four variants of smooth muscle cell abnormalities:
  (1) hypertrophy of muscularis mucosae trapped within the tumors, a finding occurring in 76.5% of cases;
  (2) proliferation of stromal smooth muscle cells originating from the muscularas mucosae and mostly associated with tumor invasion of the submucosa (seen in 93.9% of cases with abundant stromal component of the (...)

• infiltration of gastric mucosa by smooth muscle cells
  3 February 2016

  Etiology
  References
  Smooth Muscle Cell Abnormalities Associated with Gastric ECL Cell Carcinoids.Bordi C, Caruana P, D’Adda T, Azzoni C. Endocr Pathol. 1995 Summer;6(2):103-113. PMID: #12114646#

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