Anus

• anal intraepithelial neoplasia
  30 November 2010

  AIN ; dysplasia of the squamous epithelium of the anus / perianal area; anal intra-epithelial neoplasia PO
  Images
  squamous epithelium in hemorrhoid sample : high grade anal intra-epithelial neoplasia. https://twitter.com/ARP_Press/status/877584719843532800
  The classification of anal intraepithelial neoplasia (AIN ) in mucosal biopsies is subject to considerable interobserver variability.
  Ki-67 labeling detects anal HPV-related changes with a high degree of sensitivity and (...)

• HPV-associated anal lesions
  30 November 2010

  The classification of anal intraepithelial neoplasia (AIN) in mucosal biopsies is subject to considerable interobserver variability. Ki-67 and p16/CDKN2A immunostains aid detection of dysplasia in biopsy samples from the uterine cervix.
  Ki-67 labeling detects anal HPV-related changes with a high degree of sensitivity and specificity, whereas increased p16/CDKN2A staining is strongly associated with high-grade squamous neoplasia. A combination of these markers may aid interpretation of anal (...)

• Morgagni crypt
  29 March 2009

  crypts of Morgagni

• recto-anal junction
  10 September 2007

  Videos
  Histology of the recto-anal junction (by Washington Deceit)
  See also
  digestive system

• congenital pouch colon
  18 December 2005

  CPC

• rectoperineal fistula
  12 December 2005

  Association
  imperforate anus
  Etiology (Exemples)
  Townes-Brocks syndrome

• rectovaginal fistula
  12 December 2005

  recto-vaginal fistula

• anterior anus
  12 December 2005

  anterior placement of anus

• anal stenosis
  12 December 2005

  Etiology (Exemples)
  Townes-Brocks syndrome
  See also
  anus anal malformations anal anomalies

• rectourethral fistula
  6 April 2005

  recto-urethral fistula

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