Hobnail (Targetoid Hemosiderotic) Hemangioma



Hobnail (Targetoid Hemosiderotic) Hemangioma


David Cassarino, MD, PhD










Low-magnification view of a hobnail hemangioma demonstrates superficial dilated vascular spaces image in the papillary dermis with deeper small blood vessels and stromal hemosiderin deposits image.






Higher power examination shows a hobnail hemangioma with superficial dilated vessels lined by small endothelial cells protruding into the lumina image and showing nuclear hyperchromasia.


TERMINOLOGY


Abbreviations



  • Hobnail hemangioma (HH)


Synonyms



  • Targetoid hemosiderotic hemangioma (clinical term)


Definitions



  • Benign vascular proliferation, typically wedge-shaped, showing intravascular papillae and hobnailed endothelial cells


ETIOLOGY/PATHOGENESIS


Unknown



  • Trauma has been implicated in some cases



    • Postulated to represent traumatized lymphangioma or hemangioma

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Hobnail (Targetoid Hemosiderotic) Hemangioma
Premium Wordpress Themes by UFO Themes
%d bloggers like this: