Anus

• anal cytology
  10 November

  See also
  anal pathology
  cytology

• anat tumors
  10 November

  Examples
  anal epithelial tumors HPV-associated anal epithelial tumors

• anal Paget disease
  7 October

  PO
  Digital cases
  JRC:10822 : Extramammary Paget disease.
  See also
  mammary Paget disease
  extramammary Paget disease urthral Paget disease vulvar Paget disease anal / perianal Paget disease
  See also
  cutaneous diseases
  cutaneous tumors

• anal pathology
  8 May 2018

  Pathology : anal pathology
  anal malformations
  anal anomalies
  anal lesional syndromes
  anal diseases
  anal tumors
  congenital defects
  Infectious diseases
  Inflammatory diseases Crohn disease fissure fistula granuloma inguinale HIV lymphogranuloma venereum lymphoid polyp syphilis ulcer ulcerative colitis
  Benign anomalies / non-neoplastic lesions granular cell tumor hemorrhoids hypertrophic HSV hypertrophied papillae Hirschsprung inflammatory cloacogenic polyp internal anal (...)

• anal gland adenocarcinoma
  27 June 2017

  anal gland carcinoma
  See also
  anal glands
  anal carcinomas
  Images
  Anal duct/gland carcinoma with CK7 staining. Note overlying surface squamous mucosa and lack of in situ component. https://twitter.com/ARP_Press/status/879474374411264001

• anal transitional epithelium
  14 June 2017

  Images
  Comparison of anal transitional epithelium and high grade dysplasia/anal epithelial neoplasia https://twitter.com/ARP_Press/status/873710457453989889

• anal polyps
  14 June 2017

  Anal polyps are a relatively rare and neglected part of pathology practice. Similar to other parts of the gastrointestinal tract, anal polyps are predominantly epithelial in origin, but mesenchymal lesions do occur.
  The aetiology of anal polyps is diverse and includes infectious, reactive, developmental and neoplastic conditions.
  See also
  anal tumors
  polyps digestive (...)

• anal melanoma
  12 April 2017

  anorectal melanoma
  Images
  anorectal melanoma https://twitter.com/DrZembowicz/status/851880085154144260 https://twitter.com/Dermpathl/status/822874126901792769 https://twitter.com/ASDPTweets/status/852973588294643714
  See also
  anal tumors
  malignant melanoma

• anal pseudoepitheliomatous hyperplasia
  3 April 2017

  Images
  Granular cell tumor (perianal skin); the pseudoepitheliomatous hyperplasia can be a pitfall in interpreting anal and esophageal biopsies. https://twitter.com/ARP_Press/status/848859678427799553
  See also
  pseudoepitheliomatous hyperplasia

• anal granular cell tumor
  3 April 2017

  Images
  Granular cell tumor (perianal skin) : the pseudoepitheliomatous hyperplasia can be a pitfall in interpreting anal and esophageal biopsies. https://twitter.com/ARP_Press/status/848859678427799553
  See also
  granular cell tumor
  anal tumors

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