Metastatic risk in clear cell renal cell carcinoma: a tool incorporating sex, size, and grade
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View abstract on PubMed
Summary
This summary is machine-generated.Predictors of metastatic clear cell renal cell carcinoma (ccRCC) include tumor size and grade. Larger tumors and higher grades significantly increase the risk of metastasis, aiding clinical decision-making.
Area Of Science
- Urology
- Oncology
- Medical Statistics
Background
- Clear cell renal cell carcinoma (ccRCC) is the most common subtype of kidney cancer.
- Predicting metastasis is crucial for managing ccRCC and informing treatment strategies.
Purpose Of The Study
- To identify predictors of metastasis in ccRCC.
- To estimate the proportion of metastatic ccRCC based on predictors.
- To develop a risk table illustrating metastasis risk increase with tumor size.
Main Methods
- Analysis of histopathologically confirmed ccRCC cases from a Danish nationwide study (2010-2018).
- Logistic regression models used to assess associations between diagnostic variables (sex, tumor size, grade) and metastasis.
- Proportion of metastatic cases estimated based on tumor size and grade.
Main Results
- Sex, tumor size, and grade were significant predictors of metastatic ccRCC; age was not.
- Metastasis proportion increased with larger tumor size and higher grade.
- A 10mm increase in tumor size showed a <2% absolute increase in metastasis risk for smaller tumors ( <40mm) and lower grades (1-2), but a moderate to high increase (2-≥4%) for larger tumors (>50mm) and higher grades (3-4).
Conclusions
- A risk table based on tumor size and grade can aid clinicians in discussing metastasis risk with ccRCC patients.
- This tool supports evidence-based decision-making for patients managed expectantly.
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