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Ultrasonic determination of prostatic volume: a cadaver study
A J Hendrikx1, C A van Helvoort-van Dommelen, M A van Dijk
1Department of Urology, University of Nijmegen, The Netherlands.
Urology
|September 1, 1989
Summary
Transrectal ultrasonography using Hastak's technique accurately measures prostate volume. This cadaver study found minimal differences between ultrasonic and physical prostate volume measurements, confirming its reliability.
Area of Science:
- Urology
- Medical Imaging
- Anatomy
Background:
- Accurate prostate volume measurement is crucial for diagnosing and managing various urological conditions.
- Traditional methods for prostate volume assessment can be invasive or less precise.
- Transrectal ultrasonography (TRUS) offers a non-invasive imaging modality for prostate evaluation.
Purpose of the Study:
- To validate Hastak's technique for planimetric volumetry of the prostate using transrectal ultrasonography (TRUS).
- To assess the accuracy of TRUS-based prostate volume measurement compared to physical measurements in a cadaver model.
Main Methods:
- A cadaver study involving 25 prostates from individuals older than 40 years.
- Prostate volume measurement using Brüel and Kjaer transrectal ultrasonography equipment (4 mHz).
- Comparison of ultrasonically determined volumes with physically measured volumes.
Main Results:
- Planimetric volumetry via TRUS demonstrated high accuracy in prostate volume assessment.
- Observed differences between ultrasonic and physical volume measurements were minimal, ranging from +4 to -6 cm³.
- These small discrepancies were attributed to inherent measurement errors.
Conclusions:
- Hastak's technique of planimetric volumetry using transrectal ultrasonography is an accurate method for determining prostate volume.
- TRUS-based volumetry provides a reliable and precise alternative for prostate size evaluation in clinical practice.