Difference between revisions of "Papillary adenoma of the kidney"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Renal papillary adenoma -- very low mag.jpg | |||
| Width = | |||
| Caption = Papillary adenoma. [[H&E stain]]. | |||
| Synonyms = papillary adenoma, renal papillary adenoma | |||
| Micro = papillae typically with foam cells, +/-psammoma bodies, nuclei usu. low grade | |||
| Subtypes = | |||
| LMDDx = [[papillary renal cell carcinoma]], [[metanephric adenoma]] | |||
| Stains = | |||
| IHC = AMACR +ve | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = '''must''' be <=0.5 cm, cortical lesion | |||
| Grossing = | |||
| Site = [[kidney]] - see ''[[kidney tumours]]'' | |||
| Assdx = often seen with [[papillary renal cell carcinoma]] | |||
| Syndromes = | |||
| Clinicalhx = often an incidental finding in a kidney removed for something else | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = common | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = other [[renal tumours]] | |||
| Tx = observation | |||
}} | |||
'''Papillary adenoma of the kidney''', also '''renal papillary adenoma''', is a benign [[kidney tumours|kidney tumour]] related to [[papillary renal cell carcinoma]]. | '''Papillary adenoma of the kidney''', also '''renal papillary adenoma''', is a benign [[kidney tumours|kidney tumour]] related to [[papillary renal cell carcinoma]]. | ||
| Line 17: | Line 48: | ||
*[[Metanephric adenoma]]. | *[[Metanephric adenoma]]. | ||
Images: | ===Images=== | ||
<gallery> | |||
Image: Renal papillary adenoma -- very low mag.jpg | PA - very low mag. | |||
Image: Renal papillary adenoma -- low mag.jpg | PA - low mag. | |||
Image: Renal papillary adenoma -- intermed mag.jpg | PA - intermed. mag. | |||
Image: Renal papillary adenoma - alt -- intermed mag.jpg | PA - intermed. mag. | |||
Image: Renal papillary adenoma -- high mag.jpg | PA - high mag. | |||
</gallery> | |||
www: | |||
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2563151/figure/fig2/ Renal papillary adenoma (nih.gov)].<ref name=pmid18846240/> | *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2563151/figure/fig2/ Renal papillary adenoma (nih.gov)].<ref name=pmid18846240/> | ||
==IHC== | ==IHC== | ||
*AMACR +ve.<ref name=pmid17056094/> | *AMACR +ve.<ref name=pmid17056094/> | ||
==See also== | ==See also== | ||
Revision as of 06:39, 9 October 2014
| Papillary adenoma of the kidney | |
|---|---|
| Diagnosis in short | |
 Papillary adenoma. H&E stain. | |
|
| |
| Synonyms | papillary adenoma, renal papillary adenoma |
|
| |
| LM | papillae typically with foam cells, +/-psammoma bodies, nuclei usu. low grade |
| LM DDx | papillary renal cell carcinoma, metanephric adenoma |
| IHC | AMACR +ve |
| Gross | must be <=0.5 cm, cortical lesion |
| Site | kidney - see kidney tumours |
|
| |
| Associated Dx | often seen with papillary renal cell carcinoma |
| Clinical history | often an incidental finding in a kidney removed for something else |
| Prevalence | common |
| Prognosis | benign |
| Clin. DDx | other renal tumours |
| Treatment | observation |
Papillary adenoma of the kidney, also renal papillary adenoma, is a benign kidney tumour related to papillary renal cell carcinoma.
General
- Benign.
- Considered a precursor for papillary renal cell carcinoma (PaRCC).[1]
- Stains like PaRCC.
- Found with an increased frequency within the content of PaRCC.
Microscopic
Features:
- Histomorphology of papillary renal cell carcinoma.
- Must be <=0.5 cm.[2][3]
- Diagnostic size cutoff - larger lesions are papillary renal cell carcinoma.
DDx:
Images
PA - very low mag.
PA - low mag.
PA - intermed. mag.
PA - intermed. mag.
PA - high mag.
www:
IHC
- AMACR +ve.[1]
See also
References
- ↑ 1.0 1.1 Wang, KL.; Weinrach, DM.; Luan, C.; Han, M.; Lin, F.; Teh, BT.; Yang, XJ. (Feb 2007). "Renal papillary adenoma--a putative precursor of papillary renal cell carcinoma.". Hum Pathol 38 (2): 239-46. doi:10.1016/j.humpath.2006.07.016. PMID 17056094.
- ↑ Zhou, Ming; Magi-Galluzzi, Cristina (2006). Genitourinary Pathology: A Volume in Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 288. ISBN 978-0443066771.
- ↑ 3.0 3.1 Algaba, F. (2008). "Renal adenomas: pathological differential diagnosis with malignant tumors.". Adv Urol: 974848. doi:10.1155/2008/974848. PMC 2563151. PMID 18846240. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2563151/.