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

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

Revised: 19 January 2017, last major update January 2012

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

PubMed Search: Lymphangioma [title] kidney

Cite this page: Lymphangioma. website. Accessed January 19th, 2018.
Definition / general
  • Rare; < 50 cases reported
  • Also called renal lymphangiectasia
  • Characterized as a developmental abnormality of the renal lymphatic system
  • May be confused with autosomal dominant polycystic kidney disease or multilocular renal cysts
Case reports
Gross description
  • Well circumscribed, multicystic
Gross images

Images hosted on PathOut server:

Large cystic lesion adjacent to renal pelvis

Large intrarenal lesion has honeycomb appearance

Images hosted on other servers:

Mass of thin walled cysts in mid kidney

Microscopic (histologic) description
  • Cysts lined by flattened endothelium
Microscopic (histologic) images

Images hosted on other servers:

Vascular spaces
lined with flattened
endothelial cells

Positive stains