Skin nonmelanocytic tumor

Vascular tumors

Hemangioma variants

Hobnail hemangioma



Topic Completed: 1 July 2012

Minor changes: 9 November 2020

Copyright: 2003-2022, PathologyOutlines.com, Inc.

PubMed search: hobnail [title] hemangioma

Christopher S. Hale, M.D.
Page views in 2021: 4,159
Page views in 2022 to date: 219
Cite this page: Hale CS. Hobnail hemangioma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocytichemangiomahobnail.html. Accessed January 23rd, 2022.
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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