Difference between revisions of "Juxtaglomerular cell tumour"

From Libre Pathology
Jump to navigation Jump to search
(create)
 
(split out)
Line 1: Line 1:
#redirect [[Kidney_tumours#Juxtaglomerular_cell_tumour]]
'''Juxtaglomerular cell tumour''', abbreviated '''JCT''', is a rare [[kidney tumour]].


==General==
*Rare.
*Etiology: increased renin.
Clinical:<ref name=pmid18192852>{{Cite journal  | last1 = Wong | first1 = L. | last2 = Hsu | first2 = TH. | last3 = Perlroth | first3 = MG. | last4 = Hofmann | first4 = LV. | last5 = Haynes | first5 = CM. | last6 = Katznelson | first6 = L. | title = Reninoma: case report and literature review. | journal = J Hypertens | volume = 26 | issue = 2 | pages = 368-73 | month = Feb | year = 2008 | doi = 10.1097/HJH.0b013e3282f283f3 | PMID = 18192852 }}</ref>
*[[Hypertension]].
*Increased aldosterone.
**Causes hypokalemia.
*Increased plasma renin.
==Microscopic==
Features:<ref name=pmid21191395/>
*Polygonal cells.
*Abundant granular, eosinophilic cytoplasm.<ref name=pmid436071/>
*Perinuclear halo.
DDx:
*[[Chromophobe renal cell carcinoma]], eosinophilic variant.
Image:
*[http://www.nature.com/ki/journal/v79/n2/fig_tab/ki2010445f1.html#figure-title Reninoma (nature.com)].<ref name=pmid21191395/>
==Stains==
Cytoplasmic granules.<ref name=pmid436071>{{Cite journal  | last1 = Hanna | first1 = W. | last2 = Tepperman | first2 = B. | last3 = Logan | first3 = AG. | last4 = Robinette | first4 = MA. | last5 = Colapinto | first5 = R. | last6 = Phillips | first6 = MJ. | title = Juxtaglomerular cell tumour (reninoma) with paroxysmal hypertension. | journal = Can Med Assoc J | volume = 120 | issue = 8 | pages = 957-9 | month = Apr | year = 1979 | doi =  | PMID = 436071 PMC = 1819229 | URL = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1819229/?tool=pubmed }}</ref>
*PAS +ve.
*PASD +ve.
==IHC==
Features:<ref name=pmid21191395>{{Cite journal  | last1 = Chao | first1 = CT. | last2 = Chang | first2 = FC. | last3 = Wu | first3 = VC. | last4 = Chen | first4 = JC. | title = Reninoma. | journal = Kidney Int | volume = 79 | issue = 2 | pages = 260 | month = Jan | year = 2011 | doi = 10.1038/ki.2010.445 | PMID = 21191395 }}</ref>
*Actin +ve.
*Cytokeratin -ve.
*HMB-45 -ve.
==EM==
Features:
*Vesicles - contain renin.<ref name=upmc29>URL: [http://path.upmc.edu/cases/case29/micro.html http://path.upmc.edu/cases/case29/micro.html]. Accessed on: 18 December 2011.</ref>
==See also==
*[[Kidney tumours]].
==References==
{{Reflist|1}}
[[Category:Kidney tumours]]
[[Category:Diagnosis]]
[[Category:Diagnosis]]

Revision as of 04:18, 9 November 2014

Juxtaglomerular cell tumour, abbreviated JCT, is a rare kidney tumour.

General

  • Rare.
  • Etiology: increased renin.

Clinical:[1]

  • Hypertension.
  • Increased aldosterone.
    • Causes hypokalemia.
  • Increased plasma renin.

Microscopic

Features:[2]

  • Polygonal cells.
  • Abundant granular, eosinophilic cytoplasm.[3]
  • Perinuclear halo.

DDx:

Image:

Stains

Cytoplasmic granules.[3]

  • PAS +ve.
  • PASD +ve.

IHC

Features:[2]

  • Actin +ve.
  • Cytokeratin -ve.
  • HMB-45 -ve.

EM

Features:

  • Vesicles - contain renin.[4]

See also

References

  1. Wong, L.; Hsu, TH.; Perlroth, MG.; Hofmann, LV.; Haynes, CM.; Katznelson, L. (Feb 2008). "Reninoma: case report and literature review.". J Hypertens 26 (2): 368-73. doi:10.1097/HJH.0b013e3282f283f3. PMID 18192852.
  2. 2.0 2.1 2.2 Chao, CT.; Chang, FC.; Wu, VC.; Chen, JC. (Jan 2011). "Reninoma.". Kidney Int 79 (2): 260. doi:10.1038/ki.2010.445. PMID 21191395.
  3. 3.0 3.1 Hanna, W.; Tepperman, B.; Logan, AG.; Robinette, MA.; Colapinto, R.; Phillips, MJ. (Apr 1979). "Juxtaglomerular cell tumour (reninoma) with paroxysmal hypertension.". Can Med Assoc J 120 (8): 957-9. PMID PMC = 1819229 436071 PMC = 1819229.
  4. URL: http://path.upmc.edu/cases/case29/micro.html. Accessed on: 18 December 2011.