Skin nonmelanocytic tumor

Other tumors of skin

Meningothelial hamartoma of scalp

Last author update: 1 September 2012
Last staff update: 14 October 2020

Copyright: 2001-2023,, Inc.

PubMed search: hamartoma [title] of scalp

Christopher S. Hale, M.D.
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Cite this page: Hale CS. Meningothelial hamartoma of scalp. website. Accessed June 1st, 2023.
Definition / general
  • Scalp nodule that often arises during infancy containing meningothelial cells; may be diagnosed later in life
  • Also called rudimentary meningocele or hamartoma of scalp with ectopic meningothelial elements
  • 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

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H&E and immunostains

Positive stains
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