Skin nonmelanocytic tumor
Other tumors of skin
Meningothelial hamartoma of scalp
Author: Christopher S. Hale, M.D.
Last author update: 1 September 2012
Last staff update: 14 October 2020
Copyright: 2001-2024, PathologyOutlines.com, Inc.
PubMed search: hamartoma [title] of scalp
Table of Contents
Definition / general | Case reports | Microscopic (histologic) description | Microscopic (histologic) images | Positive stains | Negative stains | Differential diagnosisCite this page: Hale CS. Meningothelial hamartoma of scalp. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocytichamartomaofscalp.html. Accessed April 18th, 2024.
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
- 9 year old girl with scalp lesion (Pediatr Dermatol 2011;28:677)
- 78 year old man with scalp lesion (Eur J Dermatol 2011;21:255)
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
Negative stains
Differential diagnosis
