Skin - Nonmelanocytic tumors
Other tumors of skin
Hamartoma of scalp with ectopic meningothelial elements

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

Revised: 4 October 2016, last major update September 2012

Copyright: (c) 2001-2016,, Inc.

PubMed search: hamartoma [title] of scalp

Cite this page: Hamartoma of scalp with ectopic meningothelial elements. website. Accessed October 17th, 2018.
Definition / general
  • Scalp nodule that often arises during infancy containing meningothelial cells; may be diagnosed later in life
  • Also called rudimentary meningocele or meningothelial hamartoma of scalp
  • Related to meningioma of skin
Case reports
Microscopic (histologic) description
  • Whorls or dissecting pattern of meningothelial cells in dermis and subcutis
  • Often psammoma bodies and cartilage
  • Center of lesion may have long cleft
  • Adipose tissue, blood vessels, nerves admixed with lesion
Microscopic (histologic) images
Images hosted on other servers:

H&E and immunostains

Positive stains