Skin nonmelanocytic tumor

Vascular tumors

Hemangioma variants

Hobnail hemangioma



Last author update: 1 July 2012
Last staff update: 9 November 2020

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PubMed search: hobnail [title] hemangioma

Christopher S. Hale, M.D.
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Cite this page: Hale CS. Hobnail hemangioma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocytichemangiomahobnail.html. Accessed January 29th, 2023.
Definition / general
  • Endothelial cells protrude into vessel lumina
Case reports
Clinical images

Contributed by Mark R. Wick, M.D.

Microscopic (histologic) description
  • Proliferation of irregular dissecting vascular channels lined by plump endothelial cells
Microscopic (histologic) images

Contributed by Mark R. Wick, M.D.

Hobnail hemangioma


Targetoid hemosiderotic



Contributed by Asmaa Gaber Abdou, M.D. and Nancy Asaad, M.D.

Lower lip of female

Positive stains
Negative stains
Differential diagnosis
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