Clinical History:
20
year old male with right renal mass and vena caval
involvement; presenting for right nephrectomy with vena
caval thrombectomy.
Gross: Figures A, B, C show gross sections of kidney
showing
nephroblastoma with
invasion into renal pelvis, sinusoidal adipose tissue
and focally into perinephric adipose tissue.
The mass is located predominantly within the anterior,
central aspect of the renal parenchyma and partially
involves the renal sinus and renal pelvis and extends
distally into the renal vein
Histology: Figures D and E show triphasic pattern
comprising of blastemal (sheets of small, round blue
cells), stromal and epithelial components (abortive
tubules) . |