Benign epithelial tumors

Articles

• colorectal villous adenoma
  31 March 2006

  Colorectal Villous Adenomas
  Approximately 20% of a symptomatic persons screened by colonoscopy have villous adenomas, a third of which contain high-grade dysplasia.
  Slightly <2% contain invasive carcinoma.
  Villous adenomas consist of elongated finger-like non-branching fronds of dysplastic epithelium extending outward from the muscularis mucosae to the colonic lumen.
  The villi contain cores oflamina propria covered by a single layer of adenomatous epithelium
  It has been defined that (...)

• ovarian mucinous cystadenoma
  8 March 2004

  mucinous cystadenoma of the ovary

• colorectal tubulous adenoma
  23 November 2004

  colonic tubulous adenoma

• metanephric adenofibroma
  27 October 2003

  nephrogenic adenofibroma

• renomedullary interstitial cell tumor
  9 June 2010, by JA

  Images
  Renomedullary interstitial cell tumor: bland spindle cells, loose to dense collagen, entrapped tubules https://twitter.com/AssaadAM/status/781643158488621056
  References
  Incidental detection of renomedullary interstitial cell tumour in a renal biopsy specimen. Horita Y, Tadokoro M, Taura K, Suyama N, Nazneen A, Taguchi T, Miyazaki M, Kohno S. Nephrol Dial Transplant. 2004 Apr;19(4):1007-8. PMID: #15031368#
  Participation of alpha-smooth muscle actin-positive cells in (...)