Study on Carcinosarcoma of the Kidney and Renal Pelvis
Author Information
Author(s): Wang Jue, Wang Fen Wei, Kessinger Anne
Primary Institution: University of Nebraska Medical Center
Hypothesis
What are the epidemiology, natural history, and prognostic factors of carcinosarcoma of the kidney and renal pelvis?
Conclusion
Carcinosarcoma of the kidney and renal pelvis is often high-grade and advanced at diagnosis, leading to a poor prognosis.
Supporting Evidence
- 79% of patients had regional or distant stage disease.
- The median cancer-specific survival was 6 months.
- 30.2% of patients survived for one year.
Takeaway
This study looked at a rare type of cancer that affects the kidney and found that most patients are diagnosed late and have a very short survival time.
Methodology
Data was collected from the SEER database for patients diagnosed with carcinosarcoma between 1973 and 2007, and survival analysis was performed.
Potential Biases
Pathological diagnoses were based on local reports without central review, which may affect accuracy.
Limitations
The study's limitations include variability in pathology reports and lack of data on chemotherapy and patient comorbidities.
Participant Demographics
The majority of patients were white (88.4%) with a median age of 72 years.
Statistical Information
P-Value
0.02
Confidence Interval
95% CI 4–9
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website