Difference between revisions of "Kidney tumours"

Kidney tumours (view source)

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 ===IHC===
 *WT-1 +ve.
+==Metanephric stromal tumour==
+===General===
+*Infants and children.
+*Diagnosed as [[mesoblastic nephroma]] in the past.<ref name=Ref_WMSP283>{{Ref WMSP|283}}</ref>
+*Benign and rare.<ref name=pmid11549506>{{Cite journal  | last1 = Palese | first1 = MA. | last2 = Ferrer | first2 = F. | last3 = Perlman | first3 = E. | last4 = Gearhart | first4 = JP. | title = Metanephric stromal tumor: a rare benign pediatric renal mass. | journal = Urology | volume = 58 | issue = 3 | pages = 462 | month = Sep | year = 2001 | doi =  | PMID = 11549506 }}</ref>
+===Gross===
+Features:<ref name=Ref_WMSP283>{{Ref WMSP|283}}</ref>
+*Usu. renal medulla.
+*Solid or cystic.
+===Microscopic===
+Features:<ref name=Ref_WMSP283>{{Ref WMSP|283}}</ref>
+*"Collarettes" - tumour cells surround blood vessels ''or'' renal tubules.
+*Spindle cells/stellate cells.
+*Variable cellular density - imparts a nodular appearance at low power.
+*Scant cytoplasm.
+*Induces epithelioid morphology in smooth muscle cells.
+Notes:
+*+/-Heterologous elements.
+DDx:
+*Clear cell sarcoma of the kidney.<ref name=pmid11549506/>
+*[[Mesoblastic nephroma]].
 =See also=