[Clinicopathological and prognostic differences between clear cell and non-clear cell renal cell carcinoma with venous tumor thrombus]
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View abstract on PubMed
Summary
This summary is machine-generated.Patients with non-clear cell renal cell carcinoma (nccRCC) and venous tumor thrombus present with earlier onset and more aggressive disease compared to clear cell renal cell carcinoma (ccRCC). This leads to a poorer prognosis for nccRCC patients with venous tumor thrombus.
Area Of Science
- Urology
- Oncology
- Pathology
Context
- Venous tumor thrombus (VTT) is a significant prognostic factor in renal cell carcinoma (RCC).
- Distinguishing clinicopathological characteristics and outcomes between clear cell (ccRCC) and non-clear cell (nccRCC) subtypes with VTT is crucial for treatment stratification.
- Understanding these differences can guide therapeutic strategies and improve patient management.
Purpose
- To compare the clinicopathological features and prognostic outcomes of patients with ccRCC and nccRCC involving venous tumor thrombus.
- To identify key differences in disease presentation, progression, and survival between these two major RCC subtypes when VTT is present.
Summary
- A retrospective analysis of 437 patients with RCC and VTT revealed that nccRCC patients were younger, had larger tumors, higher rates of lymph node metastasis, more advanced tumor thrombus and pathological grading, and longer surgical duration compared to ccRCC patients.
- Overall survival was significantly shorter for nccRCC patients (35 months) than for ccRCC patients (80 months).
- Histologic type, distant metastasis, tumor thrombus grading, and sarcomatoid/rhabdoid differentiation were identified as independent prognostic factors.
Impact
- The findings highlight that nccRCC with VTT represents a more aggressive disease entity with a poorer prognosis compared to ccRCC with VTT.
- This study underscores the importance of considering histologic subtype in the prognostic evaluation and treatment planning for RCC patients with VTT.
- Results provide valuable insights for oncologists and urologists in managing complex RCC cases with venous involvement.
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