Kidney tumor
Sarcoma of kidney

Topic Completed: 1 July 2012

Revised: 30 September 2019

Copyright: 2003-2019,, Inc.

PubMed Search: "renal sarcoma" kidney

Sean R. Williamson, M.D.
Page views in 2018: 1,005
Page views in 2019 to date: 1,098
Cite this page: Williamson SR. Sarcoma of kidney. website. Accessed November 15th, 2019.
Definition / general
Case reports
Gross description
  • Clear cell sarcoma commonly arises from medullar (Acta Radiol 2011;52:448)
  • Leiomyosarcoma commonly arises from capsule with "buckling" of cortex
  • Osteosarcoma may have dense ossification, though many are indistinguishable from RCC by imaging (Radiographics 2010;30:1525)
  • Solitary fibrous tumor commonly arises from renal sinus
Microscopic (histologic) images

AFIP images

Many multinucleated giant cells

Osteosarcoma: abundant osteoid is produced

Images hosted on other servers:

1: CT scan shows large solid mass with central, nonenhancing area;
2: Large, well circumscribed, yellow, fleshy tumor with hemorrhage and necrosis;
3: Short fascicles in cartwheel pattern of plump spindle cells;
4: Hemangiopericytoma-like vessels

Back to top