Skin-nonmelanocytic tumors
Adnexal tumors - sebaceous glands
Nevus sebaceus of Jadassohn

Author: Christopher Hale, M.D. (see Authors page)

Revised: 28 June 2016, last major update June 2016

Copyright: (c) 2002-2016, PathologyOutlines.com, Inc.

PubMed Search: Nevus sebaceus of Jadassohn

Definition / General
  • Often incorrectly spelled “nevus sebaceous”
  • Congenital, organoid epidermal nevus on scalp and face
  • Malformed adnexal structures, increased risk of trichoblastomas, basal cell carcinoma, squamous cell carcinoma
  • Sex hormone responsive: need prophylactic excision before puberty
Clinical Images

Images hosted on other servers:

Various images

Gross Description
  • Yellow, greasy-appearing
  • “Cobblestone” texture
  • Hairless
Micro Description
  • Hamartoma composed of large sebaceous glands, heterotopic apocrine glands, defective hair follicles, acanthosis and epithelial papillomatosis
Micro Images

Images hosted on PathOut servers:

Courtesy of Sara C. Shalin, M.D., Ph.D.


Images hosted on other servers:

Nevus sebaceus of Jadassohn