Prognostic relevance of the histological subtype of renal cell carcinoma
OBJECTIVE: According to several studies, when the histological subtype of renal cell carcinoma is established it is possible to attribute a different life expectancy to each patient. We analyzed the prognostic significance of the histological subtype in renal cell carcinoma. MATERIALS AND METHODS: The authors retrospectively analyzed the follow-up of 230 patients after radical or conservative renal surgery. The histological characteristics of the different subtypes of tumor were obtained and the disease-free and cancer-specific survival curves for the clear cell, cromophobic, papillary, collecting duct (Bellini) subtypes and those with sarcomatoid differentiation were individualized. RESULTS: The disease-free and cancer-specific survival rates for clear cell tumors were 76.6% and 68.0% respectively, 71.2% and 82.1% respectively for the cromophobic type, 71.1% and 79.8% respectively for the papillary type, 26.9% and 39.3% respectively for the sarcomatoid type, and 0.0% and 0.0% respectively for the collecting ducts (p < 0.001). CONCLUSION: The histological subtypes of renal tumors can stratify patients into different prognostic groups only when the sarcomatoid differentiation is present.
Main Authors: | Dall'Oglio,Marcos F., Antunes,Alberto A., Pompeo,Antonio C., Mosconi,Alcides, Leite,Katia R. M., Srougi,Miguel |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Urologia
2008
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382008000100002 |
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