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intestinal villi

Adj. enterocytic

Thursday 20 May 2004

Lesions

- architectural anomalies

  • intestinal villous atrophy
    • hyperplastic intestinal villous atrophy (increased crypt depth)
    • hypoplastic intestinal villous atrophy (decreased crypt depth)

- surface epithelium anomalies

  • enterocytic lesions (enterocytic anomalies)
    • anomalies of enterocyte shape
    • anomalies of enterocytic brush border (presence/absence)
    • tufted superficial enterocytes
    • syncitial enterocytes
    • stainable iron enterocytes
    • enterocytes macrocytosis
    • vacuolated enterocytes (epithelial vacuolization)
      • enterocytic steatosis
  • intraepithelial lymphocytes increase
  • intraepithelial granulocytes
  • microulcerations

- intestinal crypts anomalies

  • intestinal crypt hyperplasia
  • intestinal crypt abcesses
  • intestinal focal crypt necrosis
  • Paneth cell anomalies
    • Paneth cell hyperplasia
    • Paneth cell absence
    • Paneth cell morphologic anomalies
  • intestinal endocrine cells hyperplasia
  • intestinal endocrine cells absence

- intestinal lamina propria anomalies

  • intestinal cellular infiltration
    • intestinal neutrophilic
    • intestinal eosinophilic
    • intestinal lymphocytic
    • intestinal plasmacytic
    • intestinal histiocytic
      • intestinal PAS-positive histiocytic
      • intestinal atypical histiocytic
  • intestinal lymphoid depletion (intestinal plasmacytic depletion)
  • intestinal abscesses
  • intestinal granulomas
  • intestinal follicular lymphoid hyperplasia
  • intestinal lymphangiectasia
  • dense collagen band beneath the intestinal surface epithelium
  • intestinal amorphous eosinophilic deposition
  • intestinal amyloid deposition (intestinal amyloidosis)

See also

- intestinal mucosa
- Villi