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adnexal glandular tumors

Tuesday 28 July 2020

Types

 Apocrine differentiation

  • papillary hidradenoma (papillary fronds, vulvar / perianal)
  • tubular apocrine adenoma (epidermal connection)

 syringoma: small ducts with 2 rows of cells
 papillary eccrine adenoma: cystic ducts and papillary fronds
 papillated ducts open to epidermis

  • papillary syringadenoma (scalp)
  • nipple adenomatosis (nipple)

 mixed tumor ( chondroid syringoma ): chondromyxoid stroma and tubular or anastomosing glands

 sebaceous hyperplasia (lobular arrangement around a central duct), sebaceous adenoma or sebaceous carcinoma

IHC

 CK7+ adnexal tumors

  • examples :

See also

 adnexal tumors