Difference between revisions of "Pediatric kidney tumours"

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====Cellular====
====Cellular====
Features:<ref name=Ref_WMSP284>{{Ref WMSP|284}}</ref>
Features:<ref name=Ref_WMSP284>{{Ref WMSP|284}}</ref>
*Plump cells with vesicular nuclei.
*Plump cells with [[vesicular nuclei]].
*Well-defined border.
*Well-defined border.
*Mitotically active.
*Mitotically active.
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===Molecular===
===Molecular===
Cellular mesoblastic nephroma:
Cellular mesoblastic nephroma:<ref name=pmid29683818>{{Cite journal  | last1 = Rudzinski | first1 = ER. | last2 = Lockwood | first2 = CM. | last3 = Stohr | first3 = BA. | last4 = Vargas | first4 = SO. | last5 = Sheridan | first5 = R. | last6 = Black | first6 = JO. | last7 = Rajaram | first7 = V. | last8 = Laetsch | first8 = TW. | last9 = Davis | first9 = JL. | title = Pan-Trk Immunohistochemistry Identifies NTRK Rearrangements in Pediatric Mesenchymal Tumors. | journal = Am J Surg Pathol | volume = 42 | issue = 7 | pages = 927-935 | month = Jul | year = 2018 | doi = 10.1097/PAS.0000000000001062 | PMID = 29683818 }}</ref>
*t(12:15)(p13;q25) ETV6/NTRK3.
*t(12:15)(p13;q25) ETV6/[[NTRK3]].
**Same [[translocation]] if found in ''[[infantile fibrosarcoma]]''.
**Same [[translocation]] if found in ''[[infantile fibrosarcoma]]''.


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==Renal rhabdoid tumour==
==Renal rhabdoid tumour==
*[[AKA]] ''rhabdoid tumour of the kidney'', abbreviated ''RTK''.
*[[AKA]] ''rhabdoid tumour of the kidney'', abbreviated ''RTK''.
 
{{Main|Renal rhabdoid tumour}}
===General===
*Similar to ''[[extrarenal malignant rhabdoid tumour]]''.<ref name=Ref_WMSP284>{{Ref WMSP|284}}</ref>
*Arises from renal medulla.
*May be associated with a CNS tumour.
 
===Microscopic===
Features:<ref name=Ref_WMSP627>{{Ref WMSP|627}}</ref><ref name=Ref_WMSP284>{{Ref WMSP|284}}</ref>
*Variable architecture.
*Round cells.
*Abundant cytoplasm with eosinophilic inclusions.
*Eccentric vesicular nucleus.
*Prominent [[nucleolus]] -- '''key feature'''.
 
Images:
*[http://www.flickr.com/photos/ckrishnan/3954115280/in/photostream RTK - low mag. (flickr.com)].
*[http://www.flickr.com/photos/ckrishnan/3953336593/in/photostream RTK - high mag. (flickr.com)].
 
===IHC===
*INI1 -ve.


==Renal cell carcinoma==
==Renal cell carcinoma==
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