Difference between revisions of "Benign cortical cyst of the kidney"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Renal cyst with papillary projections -- low mag.jpg | |||
| Width = | |||
| Caption = Benign cortical renal cyst with papillary projections. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = simple epithelial lining without atypia, may have clear cells | |||
| Subtypes = | |||
| LMDDx = [[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 disease]]s | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = thin-walled cyst in the renal cortex, usually filled with serous fluid, usually unilocular | |||
| Grossing = | |||
| Staging = | |||
| Site = [[kidney]] - see ''[[cystic kidney diseases]]'' | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = very common | |||
| Bloodwork = | |||
| Rads = simple cyst with thin wall; usually Bosniak I or II - see ''[[Bosniak classification of renal cysts]]'' | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = | |||
| Tx = none | |||
}} | |||
'''Benign cortical cyst of the kidney''' is an extremely common benign [[kidney]] finding. | '''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]]''. | |||
==General== | ==General== | ||
| Line 20: | Line 54: | ||
*[[Localized cystic disease of the kidney]]. | *[[Localized cystic disease of the kidney]]. | ||
*Cystic neoplasms/renal cell carcinoma: | *Cystic neoplasms/renal cell carcinoma: | ||
**Cystic [[clear cell renal cell carcinoma]]. | **Cystic [[clear cell renal cell carcinoma]] - thick septa with clear cells. | ||
**[[Multicystic renal cell neoplasm of low malignant potential]]. | **[[Multicystic renal cell neoplasm of low malignant potential]] - thin septa, clear cells within stroma. | ||
*Other [[cystic kidney disease]]s. | *Other [[cystic kidney disease]]s. | ||
===Images=== | |||
<gallery> | |||
Image: Renal cyst with papillary projections -- very low mag.jpg | ARC - very low mag. (WC) | |||
Image: Renal cyst with papillary projections -- low mag.jpg | ARC - low mag. (WC) | |||
Image: Renal cyst with papillary projections -- intermed mag.jpg | ARC - intermed. mag. (WC) | |||
Image: Renal cyst with papillary projections - alt -- intermed mag.jpg | ARC - intermed. mag. (WC) | |||
Image: Renal cyst with papillary projections -- high mag.jpg | ARC - high mag. (WC) | |||
Image: Renal cyst with papillary projections -- very high mag.jpg | ARC - very high mag. (WC) | |||
Image: Renal cyst with papillary projections - 2 -- low mag.jpg | ARC - low mag. (WC) | |||
Image: Renal cyst with papillary projections - 2 -- intermed mag.jpg | ARC - intermed. mag. (WC) | |||
Image: Renal cyst with papillary projections - 2 -- high mag.jpg | ARC - high mag. (WC) | |||
</gallery> | |||
==See also== | ==See also== | ||
*[[Cystic kidney diseases]]. | *[[Cystic kidney diseases]]. | ||
*[[Bosniak classification of renal cysts]]. | |||
*[[Benign clear cell clusters of the kidney]]. | |||
==References== | ==References== | ||
Latest revision as of 16:16, 22 January 2024
| 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 |
|
| |
| Prevalence | very common |
| Radiology | simple cyst with thin wall; usually Bosniak I or II - see Bosniak classification of renal cysts |
| Prognosis | benign |
| Treatment | none |
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.
General
- Very common.
- Benign.
Gross
- Thin-walled cyst - usually filled with serous fluid.
- Usually unilocular.
Microscopic
Features:
- Simple epithelial lining without atypia.
- May have clear cells.
Note:
- Do not have clear cells within the wall of the cyst.[1]
DDx:
- 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.
Images
ARC - very low mag. (WC)
ARC - low mag. (WC)
ARC - intermed. mag. (WC)
ARC - intermed. mag. (WC)
ARC - high mag. (WC)
ARC - very high mag. (WC)
ARC - low mag. (WC)
ARC - intermed. mag. (WC)
ARC - high mag. (WC)
See also
- Cystic kidney diseases.
- Bosniak classification of renal cysts.
- Benign clear cell clusters of the kidney.
References
- ↑ Epstein, Jonathan I.; Netto, George J. (2014). Differential Diagnoses in Surgical Pathology: Genitourinary System (1st ed.). Wolters Kluwer. pp. 197. ISBN 978-1451189582.