Kidney tumor - cysts, children, adult benign
Benign (usually) adult tumors
Hemangioma

Author: Mandolin Ziadie, M.D. (see Authors page)

Revised: 19 January 2017, last major update January 2012

Copyright: (c) 2003-2017, PathologyOutlines.com, Inc.

PubMed Search: Hemangioma kidney [title]

Cite this page: Hemangioma. PathologyOutlines.com website. http://pathologyoutlines.com/topic/kidneytumorhemangiomas.html. Accessed March 30th, 2017.
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
Micro Description
  • Proliferation of small or large anastamosing vessels with benign endothelium
  • Mitoses may be present but are not atypical
  • Cavernous type is most common
Micro Images

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Renal hemangioma



Images hosted on other servers:

Mixed capillary cavernous hemangioma

Cavernous hemangioma of bladder