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Updated: Oct 9, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
Epidemiology of the Small Renal Mass and the Treatment Disconnect Phenomenon
Robert M Turner1, Todd M Morgan2, Bruce L Jacobs3
1Department of Urology, University of Pittsburgh Medical Center, Mercy Professional Building, 1350 Centre Avenue, Suite G100A, Pittsburgh, PA 15219, USA.
Abstract:
The incidence of kidney cancer has steadily increased over recent decades, with most new cases now found when lesions are asymptomatic and small. This downward stage migration relates to the increasing use of abdominal imaging. Three public health epidemics-smoking, hypertension, and obesity-also play roles in the increase. Treatment mirrors the rise in incidence, with increasing interest in nephron-sparing therapies. Despite earlier detection and increasing treatment, the mortality rate has not decreased. This treatment disconnect phenomenon highlights the need to decrease unnecessary treatment of indolent tumors and address modifiable risk factors to reduce incidence and mortality.
Insights
Kidney cancer incidence is rising, often detected early due to imaging. Despite advances, mortality remains unchanged, indicating a need for better treatment strategies and risk factor reduction.
Area of Science:
- Oncology
- Public Health
- Nephrology
Background:
- Kidney cancer incidence has risen significantly in recent decades.
- Early detection is common due to increased abdominal imaging, finding small, asymptomatic lesions.
- Public health issues like smoking, hypertension, and obesity contribute to the rising incidence.
Purpose of the Study:
- To analyze trends in kidney cancer incidence, detection, and mortality.
- To investigate the impact of early detection and evolving treatment strategies.
- To highlight the disconnect between earlier detection/treatment and unchanged mortality rates.
Main Methods:
- Analysis of epidemiological data on kidney cancer incidence and mortality trends.
- Review of diagnostic imaging practices and their impact on stage migration.
- Examination of treatment modalities, including nephron-sparing approaches.
- Assessment of the influence of public health factors on kidney cancer rates.
Main Results:
- Most new kidney cancer cases are now detected at earlier, asymptomatic stages.
- Despite earlier detection and increased use of nephron-sparing treatments, kidney cancer mortality rates have not decreased.
- A significant portion of the increase in incidence is linked to smoking, hypertension, and obesity.
Conclusions:
- There is a critical need to address the treatment disconnect in kidney cancer.
- Reducing unnecessary treatment for indolent tumors is essential.
- Targeting modifiable risk factors is crucial for decreasing both incidence and mortality of kidney cancer.
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