Anus

• anal hidradenoma papilliferum
  11 February 2022

  PO
  Other localizations
  vulvar hidradenoma papilliferum
  anal hidradenoma papilliferum https://twitter.com/drtimbracey/status/1492147544905981955
  See also
  adnexal tumors

• anal hidradenoma papilliferum
  11 February 2022

  Anorectal Hidradenoma papilliferum
  Images
  Anal hidradenoma papilliferum https://twitter.com/drtimbracey/status/1492147544905981955

• perianal nodules
  29 September 2021

  perianal nodular lesions
  Etiology
  perianal tumors
  perianal inflammation

• HSV-associated proctitis
  29 September 2021

  Images
  HSV associated proctitis https://twitter.com/ashokparameswar/status/1443135047247167490
  See also
  HSV-associated anomalies

• proctitis
  29 September 2021

  Syn. Anitis WKP
  Examples
  HSV-associated proctitis https://twitter.com/ashokparameswar/status/1443135047247167490
  radiation proctitis https://twitter.com/LizMontgomeryMD/status/1587865083916718080
  See also
  anal anomalies

• anal diseases
  11 February 2021

  PO
  Types
  anal amlformations / anorectal malformations
  anal vascular diseases hemorrhoids
  anal infectious diseases granuloma inguinale HSV related hypertrophy in HIV+ patients lymphogranuloma venereum anal syphilis
  anal tumors / anal neoplasias Buschke-Löwenstein tumor condyloma acuminatum squamous dysplasia anal carcinomas adenocarcinoma basal cell carcinoma Paget disease small cell (neuroendocrine) carcinoma squamous cell carcinoma verrucous carcinoma granular cell tumor (...)

• anal gland cyst
  5 October 2020

  Definition : Anal gland/duct cyst (AGC) is rare and observed in only 0.05% of patients undergoing anal surgery. AGC is thought to be a retention cyst in the anal gland and arises when an obstruction of the anal duct causes fluid collection in the anal gland.
  Open references
  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7392575/

• anal anomalies
  5 October 2020

  PO
  Types
  anal malformations / anorectal malformations
  anal cysts
  anal inflammation
  anal tumors
  See also
  anus
  anomalies

• tailgut cyst
  5 October 2020

  PO
  Gross
  2 - 12 cm (mean 9.5 cm) multilocular cyst
  Microscopy
  multilocular cyst with squamous, mucinous, simple, pseudostratifed ciliated or transitional lining
  may contain bundles of smooth muscle in cyst wall
  meningeal tissue, thyroid tissue and glomus bodies have also been reported
  Differential diagnosis
  anal gland cyst
  duplication cyst
  epidermal cyst
  sacral meningocele
  teratoma / dermoid cyst
  See also
  anal (...)

• anal cysts
  5 October 2020

  perianal cysts
  Examples
  tailgut cyst
  anal gland cyst
  duplication cyst
  epidermal cyst
  sacral meningocele
  cystic teratoma / dermoid cyst
  See also
  anal anomalies
  cysts

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