Prognostic Impact of Histological Subtype on Surgically Treated Localized Renal Cell Carcinoma Journal Article
| Authors: | Teloken, P. E.; Thompson, R. H.; Tickoo, S. K.; Cronin, A.; Savage, C.; Reuter, V. E.; Russo, P. |
| Article Title: | Prognostic Impact of Histological Subtype on Surgically Treated Localized Renal Cell Carcinoma |
| Abstract: | Purpose: Despite the clear demonstration that different histological subtypes of renal cell carcinoma show distinct pathogenesis and genetic alterations, the impact of histology on prognosis remains controversial. We evaluated our experience with tumor histology in patients with localized renal cell carcinoma. Materials and Methods: We identified 1,863 patients with localized clear cell, papillary or chromophobe renal cell carcinoma who were treated surgically between 1989 and 2006 at our tertiary care center. Cox proportional hazards regression models were used to evaluate the relationship between tumor histology and outcome, defined as metastasis or death from disease, adjusting for age, sex, operation type, American Society of Anesthesiologists score, TNM stage and tumor size. Results: Of 1,863 patients 1,333 (72%) had clear cell histology, and 310 (17%) and 220 (12%) had papillary and chromophobe renal cell carcinoma, respectively. Median followup in patients without an event was 3.4 years. On univariate analysis patients with clear cell histology had a worse clinical outcome. Five-year probability of freedom from metastasis or death from disease was 86% (95% CI 84, 88), 95% (95% CI 91, 97) and 92% (95% CI 85, 96) in patients with clear cell, papillary and chromophobe histology, respectively (p <0.001). On multivariate analysis chromophobe (HR 0.40; 95% CI 0.20, 0.80) and papillary (HR 0.62; 95% CI 0.34, 1.14) histology was also significantly associated with better outcome (p = 0.014). Conclusions: Clear cell histology seems to be independently associated with worse outcomes in patients who undergo surgery for renal cell carcinoma even after controlling for widely accepted factors influencing prognosis. © 2009 American Urological Association. |
| Keywords: | adult; controlled study; human tissue; aged; disease-free survival; middle aged; survival rate; major clinical study; clinical trial; disease free survival; outcome assessment; follow up; metastasis; classification; tumor volume; clinical assessment; pathology; histology; kidney carcinoma; kidney neoplasms; cancer mortality; proportional hazards model; kidney; partial nephrectomy; kidney tumor; carcinoma, renal cell; probability; experience; scoring system; carcinoma; multivariate analysis; tertiary health care; clear cell carcinoma; papillary carcinoma; univariate analysis; sex; renal cell |
| Journal Title: | Journal of Urology |
| Volume: | 182 |
| Issue: | 5 |
| ISSN: | 0022-5347 |
| Publisher: | Elsevier Science, Inc. |
| Date Published: | 2009-11-01 |
| Start Page: | 2132 |
| End Page: | 2136 |
| Language: | English |
| DOI: | 10.1016/j.juro.2009.07.019 |
| PUBMED: | 19758615 |
| PROVIDER: | scopus |
| PMCID: | PMC4169873 |
| DOI/URL: | |
| Notes: | --- - "Cited By (since 1996): 4" - "Export Date: 30 November 2010" - "CODEN: JOURA" - "Source: Scopus" |
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