Benign cortical cyst of the kidney
From Libre Pathology
|Benign cortical cyst of the kidney|
|Diagnosis in short|
Benign cortical renal cyst with papillary projections. H&E stain.
|LM||simple epithelial lining without atypia, may have clear cells|
|LM DDx||localized cystic disease of the kidney, cystic neoplasms/renal cell carcinoma (e.g. cystic clear cell renal cell carcinoma), multicystic renal cell neoplasm of low malignant potential, other cystic kidney diseases|
|Gross||thin-walled cyst in the renal cortex, usually filled with serous fluid, usually unilocular|
|Site||kidney - see cystic kidney diseases|
|Radiology||simple cyst with thin wall; usually Bosniak I or II - see Bosniak classification of renal cysts|
Benign cortical cyst of the kidney is an extremely common benign kidney finding.
Benign renal cyst redirects here. A more general discussion about cysts in the kidney is in the article cystic kidney diseases.
- Very common.
- Thin-walled cyst - usually filled with serous fluid.
- Usually unilocular.
- Simple epithelial lining without atypia.
- May have clear cells.
- Do not have clear cells within the wall of the cyst.
- Localized cystic disease of the kidney.
- Cystic neoplasms/renal cell carcinoma:
- Cystic clear cell renal cell carcinoma - thick septa with clear cells.
- Multicystic renal cell neoplasm of low malignant potential - thin septa, clear cells within stroma.
- Other cystic kidney diseases.