Skin nonmelanocytic tumor
Adnexal tumors
Sebaceous glands
Nevus sebaceus of Jadassohn
Author: Christopher S. Hale, M.D.
Topic Completed: 1 June 2016
Minor changes: 16 October 2020
Copyright: 2002-2021, PathologyOutlines.com, Inc.
PubMed Search: Nevus sebaceus of Jadassohn
Table of Contents
Definition / general | Clinical images | Gross description | Microscopic (histologic) description | Microscopic (histologic) imagesCite this page: Hale C Nevus sebaceus of Jadassohn. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocyticnevussebaceus.html. Accessed March 5th, 2021.
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
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Nevus sebaceus
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
