Kidney tumor
Benign adult tumors
Lymphangioma
Author: Mandolin S. Ziadie, M.D.
Topic Completed: 1 January 2012
Minor changes: 20 September 2019
Copyright: 2003-2019, PathologyOutlines.com, Inc.
PubMed Search: Lymphangioma [title] kidney
Table of Contents
Definition / general | Epidemiology | Case reports | Gross description | Gross images | Microscopic (histologic) description | Microscopic (histologic) images | Positive stainsCite this page: Ziadie MS. Lymphangioma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/kidneytumorlymphangioma.html. Accessed September 19th, 2020.
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
Epidemiology
- Mean age 34 years, 60% female (J Urol 1977;118:22)
Case reports
- 28 year old man with microscopic hematuria (Radiology 2001;219:442)
- 59 year old man (Int J Urol 2002;9:178)
- Primary renal lymphangioma (Hum Pathol 1992;23:465)
Gross description
- Well circumscribed, multicystic
Gross images
AFIP images
Large cystic lesion adjacent to renal pelvis
Large intrarenal lesion has honeycomb appearance
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
