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

Topic Completed: 1 June 2016

Minor changes: 4 April 2019

Copyright: 2002-2019,, Inc.

PubMed Search: Nevus sebaceus of Jadassohn

Christopher S. Hale, M.D.
Page views in 2019: 18,008
Page views in 2020 to date: 7,445
Cite this page: Hale C Nevus sebaceus of Jadassohn. website. Accessed July 13th, 2020.
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
Microscopic (histologic) description
  • Hamartoma composed of large sebaceous glands, heterotopic apocrine glands, defective hair follicles, acanthosis and epithelial papillomatosis
Microscopic (histologic) images

Contributed by Sara C. Shalin, M.D., Ph.D.

Images hosted on other servers:

Nevus sebaceus of Jadassohn

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