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Wilms Tumor
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Wilms Tumor
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- For resection specimens with renal tumors of childhood except renal cell carcinoma.
Use the adult kidney protocol for renal cell carcinoma.
Note: For bilateral tumors, complete a separate case summary for each kidney.
Specimen and Surgical Procedure
Specimen, laterality, procedure.......................................................
Kidney size (in 3 dimensions)...................................................... __ x __ x __ cm
Kidney weight (in g)...................................................................... __ g
Lymph nodes submitted and/or identified in the specimen................... yes/no
Tumor
Tumor size...................................................................................
Tumor focality......................................... unifocal/multifocal (specify # of tumors)
Histologic type..............................................................................
Macroscopic tumor extension
Gerota's fascia........................................................................... intact/disrupted
Renal sinus involvement...................... absent/minimal/extensive/LVI in renal sinus
Renal vein invasion...................................................................... present/absent
Extension to adjacent organ......................................................... present/absent
If present, specify organ.....................................................
Final margins
Nearest margin............................................................................
Distance from specified margin to tumor.........................................
Gerota’s fascial margin.............................................................. positive/negative
Renal vein margin.................................................................... positive/negative
Ureteral margin........................................................................ positive/negative
Inferior vena cava margin.......................................................... positive/negative
Other margin(s) (if applicable; please specify).............................. positive/negative
Lymph Nodes
Regional lymph node metastasis...................................................... yes/no
Location of positive lymph node(s).........................................
Regional lymph nodes (involved/examined)....................................... __/__
Distant metastasis*...................................................................... present/absent
* Note: Distant metastasis category includes both hematogenous metastasis or lymph node
metastasis outside the abdomen-pelvic region (beyond the renal drainage system).
Children’s Oncology Group Staging.............................................. Stage __