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Produced: 11/25/2024 4:53 PM
Question 20150067
Inquiry Details
References:
2007 MP/H Rules
Question:
MP/H Rules/Histology--Kidney: What is the correct histology for this diagnosis? See discussion.
Discussion:
Procedure: Nephrectomy
Laterality: Left
Tumor type: SOLID VARIANT RENAL CELL CARCINOMA
Nuclear grade: High grade (3/4)
Histologic grade: Poorly differentiated
Pattern of growth: Solid
Tumor size: 5x4.5x4cm
Local invasion: Present
Renal vein invasion: None
Surgical margins: Negative
Non-neoplastic kidney: Unremarkable
Adrenal gland: Not submitted
Lymph nodes: Not present
Pathologic stage: T1b
There are solid sheets of tumor cells without papillary structure. The tumor stains positive for Pax-2, negative for Ecadherin, P63 and CK7, consistent with renal cell carcinoma, solid variant.
Answer:
Assign histology code 8312, renal cell ca, NOS. There is no specific code for the solid variant of renal cell carcinoma.
