Ultrasound Determination of Prostate Volume: Comparison of Transrectal (Ellipsoid v Planimetry) and Suprapubic Methods

Nelson N. Stone, Paul S. Ray, Joseph A. Smith, Peter T. Scardino, Robert B. Smith, Om P. Khanna, David F. Paulson

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

In a multicenter randomized trial of treatment for benign prostatic hyperplasia (BPH), three methods for determining prostate size were used. Data on sequential measurements of prostate volume in patients taking a placebo were used to determine the variability in the techniques. Suprapubic ultrasound scanning with measurements in three dimensions demonstrated a coefficient of variation of 30 %. Prostate volume determined by transrectal ultrasound and three measurements had in a variability of 12%. Step-section planimetry offered the lowest variability, 5%, and should be the method of choice in determining prostate size in clinical studies of BPH.

Original languageEnglish
Pages (from-to)251-254
Number of pages4
JournalJournal of Endourology
Volume5
Issue number3
DOIs
StatePublished - 1991

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