Colon and rectum

• colonic CGD
  3 October 2003

  colitis in chronic granulomatous disease

• allergic eosinophilic proctocolitis
  3 October 2003

  food-induced eosinophilic proctocolitis, allergic proctocolitis

• eosinophilic colitis
  3 October 2003

  Primary Colonic Eosinophilia
  Definition: Eosinophilic colitis is an inflammatory condition characterized by infiltration of the colonic wall by eosinophils with submucosal oedema.
  Involvement of caecum, appendix, ascending colon and the omentum by the inflammatory process could mimic a right iliac fossa neoplasm. Eosinophilic colitis is rare and could mimic a right iliac neoplasm if it is right-sided.
  Etiology
  allergic colitis
  parasitic colitis
  Enterobius vermicularis colitis (...)

• chronic colitis
  3 October 2003

  Synopsis
  colorectal gland distortion
  cellular inflammation cellular infiltration of the lamina propria by inflammatory cells lymphocytic infiltration eosinophilic infiltration histiocytic infiltration polymorphic infiltration
  Types
  lymphocytic colitis
  eosinophilic colitis
  granulomatous colitis
  Etiology
  diverticular disease-associated chronic colitis (#8540614#)

• colitis
  3 October 2003

  WKP
  Definition : Colitis is an inflammation of the colon.
  Images
  Pseudomembranous Colitis, Colectomy Specimen by Ed Euthman
  ipilimumab-induced colitis https://twitter.com/GIPathologyURMC/status/715943975526522880
  Lesional patterns
  acute colitis congestive colitis common acute colitis pseudomembranous colitis hemorrhagic colitis
  active colitis focal active colitis diffuse active colitis
  chronic colitis lymphocytic colitis (microscopical colitis ) granulomatous colitis (...)

• colorectal adenocarcinoma
  26 September 2003

  colorectal cancer, colorectal adenocarcinoma, colonic adenocarcinoma, colorectal carcinoma; colonic carcinomas WKP
  Definition: Adenocarcinoma arising in the colon or rectum.
  Colorectal carcinoma is one of the most common cancers and one of the leading causes of cancerrelated death in the United States. Pathologic examination of biopsy, polypectomy and resection specimens is crucial to appropriate patient managemnt, prognosis assessment and family counseling. Molecular testing plays (...)

• colonic perforation
  8 July 2003

  Etiology (Exemples)
  colonic tumors
  colonic ischemic necrosis
  cystic fibrosis (#1974979#) digestive cystic fibrosis (#1974979#)
  colonic infection colonic zygomycosis
  Images
  Angioinvasive Mucorales infection: colon perforation and multiorgan damage in immunocompromised patient https://twitter.com/DraEosina/status/784391140258840576
  See also
  neonatal colonic (...)

• Paneth cell metaplasia
  27 June 2003

  See also : Paneth cell / Paneth cells
  Images
  Paneth cell metaplasia https://twitter.com/dmlarsonpath1/status/861241980147421188 https://twitter.com/BenMazer/status/804722056512368645
  Etiology
  chronic colitis active colitis inflammatory bowel diseases (IBDs ) Crohn colitis ulcerative colitis diversion colitis (#10632750#)
  Images
  Paneth cell metaplasia https://twitter.com/RikiSotillo/status/843812126804336640
  See also
  metaplasia
  References
  Sandow MJ, Whitehead R. The (...)

• cystic fibrosis-associated colonopathy
  27 June 2003

  An epidemic of fibrosing colonopathy, a new disease caused by the prolonged administration of excessive doses of pancreatic enzymes, was first reported in 1994. More than 60 cases were known to occur worldwide before dosage guidelines were enforced.
  Predisposing factors
  young age
  previous intestinal surgery
  meconium ileus equivalent
  use of H2 blockers, corticosteroids, and DNase.
  Synopsis
  foreshortened colon
  strictures
  marked submucosal fibrosis
  ascites
  nodular (...)

• colonic cystic fibrosis
  27 June 2003

  cystic fibrosis in colon

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