Diagnostic tests in urology: Percutaneous biopsy of renal masses

Michael D. Bell, Luke T. Lavallée, Philipp Dahm, Kelsey Witiuk, Rodney H. Breau

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


What's known on the subject? and What does the study add? Small renal masses are often detected incidentally with abdominal CT. About 80% of these masses are malignant. Many studies have investigated the diagnostic accuracy of small renal mass biopsy using various techniques. This has resulted in a broad range of published sensitivities and specificities without a clear guide for clinical use. This evidence-based medicine article addresses the clinical utility of renal mass biopsy. Based on a common patient scenario, a guide to calculating the probability of malignancy after a benign biopsy is provided. The scenario is used to show the potential influence of renal mass biopsy on clinical decision-making. This appraisal also discusses the limitations of the current literature, highlighting the need for multi-institutional studies with standardised biopsy techniques and a reliable comparator to confirm the clinical utility of this diagnostic test.

Original languageEnglish (US)
Pages (from-to)362-364
Number of pages3
JournalBJU International
Issue number2
StatePublished - Feb 2013


  • diagnostic test
  • evidence-based medicine
  • percutaneous biopsy
  • small renal mass

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