Gallbladder

• eosinophilic cholecystitis
  19 October 2021

  Images
  https://twitter.com/ashokparameswar/status/1450032732264796161
  Associations
  vasculitis
  parasites
  See also
  eosinophilic inflammation
  cholecystitis

• Enteropathy-like indolent NK cell proliferation in the gallbladder
  6 January 2020

  Natural killer (NK) cell enteropathy is a lymphoproliferative disorder, initially described by Mansoor and colleagues, that presents in the gastrointestinal tract, and is often mistaken for extranodal NK/T-cell lymphoma on first assessment. This population of cells in this process have an NK-cell phenotype (CD3, CD56, CD2, CD7), lacks evidence of Epstein-Barr virus infection, has germline rearrangement of the T-cell receptor, and a very indolent clinical course.
  An indolent (...)

• gallbladder mucocele
  29 October 2018

  Gallbladder, Mucocele.

• gallbladder epithelial dysplasia
  6 December 2017, by admin

  PO
  Macroscopy
  Granular mucosal patches or no gross findings
  Microscopy
  Involves flat mucosa, papillae, Rokitansky-Aschoff sinuses, metaplastic pyloric glands
  Abrupt transition from normal mucosa
  May resemble carcinoma but no desmoplasia
  Often goblet cells
  Low grade: crowding and hyperchromatic and elongated nuclei
  High grade: low grade features plus stratification; includes carcinoma in situ
  See (...)

• foamy histiocytes in gallbladder mucosa
  13 April 2017, by admin

  lipid-laden macrophages in by normal gallbladder mucosa
  Images
  Cholesterol polyp of the gallbladder https://twitter.com/Konzult_/status/852466409678540801
  See also
  cholesterol polyp of the gallbladder

• metaplasia of the gallbladder mucosa
  10 April 2017

  Types
  intestinal metaplasia of the gallbladder mucosa
  gastric gland of the gallbladder pyloric metaplasia
  squamous metaplasia of the gallbladder mucosa
  bone metaplasia of the gallbladder mucosa
  cartimaginous metaplasia of the gallbladder mucosa
  Etiology
  Gallbladder metaplastic changes appear to be more frequent in cases of micro-lithiasis and seem to be associated with a chronic thickening of the gallbladder wall.
  See also
  metaplasia
  gallbladder anomalies
  Open (...)

• intestinal metaplasia of the gallbladder mucosa
  10 April 2017

  PO
  Synopsis
  isolated or small clusters of mature goblet cells
  possible argyrophil and argentaffin cells
  less frequently, Paneth cells and gland-like structures similar to colonic crypts.
  possible pseudopyloric glands and superficial gastric-type epithelium
  The presence of gut endocrine cells and Paneth cells in the pseudopyloric glands suggests that these glands are also an integral component of intestinal metaplasia of the gallbladder.
  Intestinal metaplasia in the (...)

• pancreatic heterotopia in the gallbladder
  24 March 2017

  Images
  pancreatic heterotopia in the gallbladder https://twitter.com/drmalaybajpai/status/845143704465657856
  See also
  pancreatic heterotopia
  gallbladder anomalies

• small cell carcinoma of the gallbladder
  23 March 2017

  Images
  Small cell carcinoma of the gallbladder https://twitter.com/RikiSotillo/status/844857291350302722
  See also
  small cell carcinomas
  carcinomas of the gallbladder

• dysplasia of the gallbladder epithelium
  6 December 2016

  PO
  See also
  biliary epithelial dysplasia

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