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Prognostic factors in renal cell carcinoma
M Dal Bianco1, W Artibani, P F Bassi
1Institute of Urology, University of Padua, Italy.
European Urology
|January 1, 1988
Summary
Prognostic factors like tumor stage, grade, nodal, and venous involvement significantly impact renal cell carcinoma (RCC) survival rates. Early diagnosis via renal ultrasonography is recommended for high-risk individuals.
Area of Science:
- Oncology
- Urology
- Medical Statistics
Background:
- Renal cell carcinoma (RCC) is a significant malignancy with variable prognoses.
- Identifying reliable prognostic factors is crucial for patient management and treatment planning.
Purpose of the Study:
- To evaluate the prognostic significance of various clinical and pathological factors in patients with renal cell carcinoma (RCC).
- To assess the impact of tumor stage, grade, nodal status, venous invasion, and metastasis on patient survival.
Main Methods:
- A retrospective analysis of 215 patients who underwent surgical treatment for RCC between 1979 and 1986.
- Survival rates were analyzed using the actuarial (life table) method, correlating outcomes with TNM classification, tumor grade, and venous involvement.
Main Results:
- Five-year survival rates decreased significantly with advancing tumor stage (T1-T4: 100% to 0%) and higher tumor grade (Grade 1: 66.5%, Grade 2: 52.8%, Grade 3: 46.5% at 3 years).
- Nodal involvement (34.5% 5-year survival), distant metastases (14.1% 3-year survival), and vena cava extension (55.8% 3-year survival) were associated with poorer outcomes.
- Incidentally diagnosed RCC cases (11%) showed a trend towards lower stage and grade.
Conclusions:
- Tumor stage, grade, nodal status, venous involvement, and distant metastases are significant prognostic indicators for renal cell carcinoma (RCC).
- The lack of early diagnostic methods highlights the importance of routine renal ultrasonography for asymptomatic patients and high-risk groups.