Kidney tumor
Benign (usually) adult tumors
Hemangioma


Topic Completed: 1 January 2012

Revised: 4 March 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Hemangioma kidney [title]
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Cite this page: Ziadie MS. Hemangioma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/kidneytumorhemangiomas.html. Accessed April 18th, 2019.
Definition / general
  • Benign vascular lesion similar to that seen in soft tissue
  • May be capillary, cavernous or mixed
Epidemiology
  • May clinically / radiologically resemble cystic renal cell carcinoma (Int J Clin Oncol 2008;13:166)
  • Usually asymptomatic but may cause recurrent hemorrhage / hematuria
  • May be associated with vascular malformation syndromes including Klippel-Trenaunay and Sturge-Weber
Case reports
Gross description
  • Small (may be difficult to find) reddish blue tumor in medulla / cortex / capsule
  • Usually at tips of papillae; 10% are multiple
Microscopic (histologic) description
  • Proliferation of small or large anastamosing vessels with benign endothelium
  • Mitoses may be present but are not atypical
  • Cavernous type is most common
Microscopic (histologic) images

AFIP images

Renal hemangioma



Images hosted on other servers:

Mixed capillary cavernous hemangioma

Cavernous hemangioma of bladder

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