The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis

Background. The objective of this paper was to examine the epidemiology, natural history, and prognostic factors of carcinosarcoma of the kidney and renal pelvis (CSKP) using population-based registry. Patients and Methods. Forty-three patients with CSKP, diagnosed between January 1973 and December...

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Main Authors: Jue Wang, Fen Wei Wang, Anne Kessinger
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Advances in Urology
Online Access:http://dx.doi.org/10.1155/2011/693964
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author Jue Wang
Fen Wei Wang
Anne Kessinger
author_facet Jue Wang
Fen Wei Wang
Anne Kessinger
author_sort Jue Wang
collection DOAJ
description Background. The objective of this paper was to examine the epidemiology, natural history, and prognostic factors of carcinosarcoma of the kidney and renal pelvis (CSKP) using population-based registry. Patients and Methods. Forty-three patients with CSKP, diagnosed between January 1973 and December 2007, were identified from the national Surveillance, Epidemiology, and End Results (SEER) database and reviewed. Results. 79% of all patients with known SEER stage were classified as having regional or distant stage; almost all the patients with known histology grade had poorly or undifferentiated histology. The median cancer specific survival was 6 months (95% CI 4–9). The 1-year cancer-specific survival rate for entire cohort was 30.2%. There were no differences in terms of age at diagnosis, histological grade, tumor stage on presentation, and frequency of nephrectomy between carcinosarcoma of kidney (CSK) or renal pelvis (CSP). In multivariate analysis, age at diagnosis, tumor stage, and year of diagnosis were found to be significant predictors for cancer-specific survival. Conclusion. CSKP commonly presented as high-grade, advanced stage disease, and was associated with a poor prognosis regardless of location.
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spelling doaj-art-46124d1c3ea94d7b9a4defa5ca42bc832025-02-03T05:59:44ZengWileyAdvances in Urology1687-63691687-63772011-01-01201110.1155/2011/693964693964The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal PelvisJue Wang0Fen Wei Wang1Anne Kessinger2Division of Oncology/Hematology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198-7680, USADepartment of Internal Medicine, Creighton University Medical School, Omaha, NE 68131, USADivision of Oncology/Hematology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198-7680, USABackground. The objective of this paper was to examine the epidemiology, natural history, and prognostic factors of carcinosarcoma of the kidney and renal pelvis (CSKP) using population-based registry. Patients and Methods. Forty-three patients with CSKP, diagnosed between January 1973 and December 2007, were identified from the national Surveillance, Epidemiology, and End Results (SEER) database and reviewed. Results. 79% of all patients with known SEER stage were classified as having regional or distant stage; almost all the patients with known histology grade had poorly or undifferentiated histology. The median cancer specific survival was 6 months (95% CI 4–9). The 1-year cancer-specific survival rate for entire cohort was 30.2%. There were no differences in terms of age at diagnosis, histological grade, tumor stage on presentation, and frequency of nephrectomy between carcinosarcoma of kidney (CSK) or renal pelvis (CSP). In multivariate analysis, age at diagnosis, tumor stage, and year of diagnosis were found to be significant predictors for cancer-specific survival. Conclusion. CSKP commonly presented as high-grade, advanced stage disease, and was associated with a poor prognosis regardless of location.http://dx.doi.org/10.1155/2011/693964
spellingShingle Jue Wang
Fen Wei Wang
Anne Kessinger
The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
Advances in Urology
title The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
title_full The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
title_fullStr The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
title_full_unstemmed The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
title_short The Natural History and Outcomes of the Patients with Carcinosarcoma Involving Kidney and Renal Pelvis
title_sort natural history and outcomes of the patients with carcinosarcoma involving kidney and renal pelvis
url http://dx.doi.org/10.1155/2011/693964
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