Skin - Nonmelanocytic tumors
Vascular tumors
Hobnail hemangioma

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

Revised: 7 October 2016, last major update July 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed search: hobnail [title] hemangioma

Related topics: Hemangioma

Cite this page: Hobnail hemangioma. PathologyOutlines.com website. http://pathologyoutlines.com/topic/skintumornonmelanocytichemangiomahobnail.html. Accessed October 18th, 2017.
Definition / general
  • Endothelial cells protrude into vessel lumina
Case reports
Clinical images
Images hosted on PathOut server:

Courtesy of Dr. Mark R. Wick

Microscopic (histologic) description
  • Proliferation of irregular dissecting vascular channels lined by plump endothelial cells
Microscopic (histologic) images
Images hosted on PathOut server:

Courtesy of Dr. Mark R. Wick:

Hobnail hemangioma


Targetoid hemosiderotic



Courtesy of Drs. Asmaa Gaber Abdou and Nancy Asaad, Menofiya University, Egypt:

Lower lip of female

Positive stains
Negative stains
Differential diagnosis