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Related Experiment Video

Updated: May 22, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
09:31

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

Solitary solid renal mass: can we predict malignancy?

Philippe Violette1, Samuel Abourbih, Konrad M Szymanski

  • 1Divisions of Urology, McGill University Health Centre, Montreal, QC, Canada.

BJU International
|May 23, 2012
PubMed
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Small renal masses under 2 cm and those in female patients are more likely to be benign. This study identified key predictors to aid in managing solid renal masses.

Area of Science:

  • Urology
  • Oncology
  • Pathology

Background:

  • The majority of solid renal masses (80%) are malignant.
  • Smaller tumor size is generally associated with a higher incidence of benign disease.
  • Previous literature suggests a higher incidence of benign disease with smaller renal masses.

Purpose of the Study:

  • To identify clinical predictors of benign disease in patients with solitary solid renal masses.
  • To improve the management of solid renal masses through better risk stratification.

Main Methods:

  • Retrospective review of pathology reports for patients who underwent nephrectomy (1998-2008).
  • Inclusion criteria: solitary solid unilateral renal masses.
  • Statistical analysis: univariate and multivariate logistic regression to assess malignancy risk predictors.

Related Experiment Videos

Last Updated: May 22, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
09:31

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

Main Results:

  • A total of 592 patients were included; 9.5% had benign disease.
  • Renal mass size <2 cm and female gender were independently predictive of benign histology.
  • Patient age and tumor location were not predictive of benign histology.

Conclusions:

  • Renal masses <2 cm and female gender are associated with a higher probability of benign disease.
  • These findings aid in counseling patients regarding the management of solid renal masses.
  • Risk stratification for benign disease and clinically indolent cancers can be improved.