Papillary hidradenoma

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Papillary hidradenoma
Diagnosis in short

Papillary hidradenoma. H&E stain.

LM cystic spaces lined by epithelium with apocrine differentiation (as demonstrated by apocrine snouts), well-circumscribed
Gross nodule
Site vulva, perianal, others

Prevalence uncommon
Prognosis benign

Papillary hidradenoma, also hidradenoma papilliferum, is a benign lesion typically found in the vulva.

General

Gross

  • Nodule.

Note:

  • Classically vulvar - reported in various locations.

Microscopic

Features:

  • Cystic spaces.
  • Epithelium with apocrine differentiation (as demonstrated by apocrine snouts).
  • Well-circumscribed.

Notes:

  • No attachment to epidermis.
  • No nuclear changes suggestive of malignancy.

Images

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VULVAR LESION, EXCISION:
- PAPILLARY HIDRADENOMA.

See also

References

  1. URL: http://medical-dictionary.thefreedictionary.com/hidradenoma. Accessed on: 14 April 2011.
  2. Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. pp. 1067. ISBN 0-7216-0187-1.
  3. 3.0 3.1 Duhan, N.; Kalra, R.; Singh, S.; Rajotia, N. (Oct 2011). "Hidradenoma papilliferum of the vulva: case report and review of literature.". Arch Gynecol Obstet 284 (4): 1015-7. doi:10.1007/s00404-010-1784-7. PMID 21132312.
  4. Daniel, F.; Mahmoudi, A.; de Parades, V.; Fléjou, JF.; Atienza, P. (Feb 2007). "An uncommon perianal nodule: hidradenoma papilliferum.". Gastroenterol Clin Biol 31 (2): 166-8. PMID 17347625.
  5. Morimura, S.; Kadono, T.; Sugaya, M.; Sato, S.. "Ectopic hidradenoma papilliferum on the abdomen.". Eur J Dermatol 21 (2): 278-9. doi:10.1684/ejd.2010.1236. PMID 21411413.