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Estimation of canine prostatic volume: nomogram based on prostatic cubic volume.
1Department of Urology, Gunma University School of Medicine, Maebashi, Japan.
International Urology and Nephrology
|April 9, 1999
Summary
A new nomogram accurately estimates canine prostate volume using transrectal ultrasonography (TRUS) measurements. This method is useful even for prostates with asymmetrical shapes, aiding veterinary diagnostics.
Area of Science:
- Veterinary Medicine
- Canine Urology
- Diagnostic Imaging
Background:
- Accurate estimation of canine prostate volume is crucial for diagnosing and managing prostatic diseases.
- Traditional methods may lack precision or be invasive.
Purpose of the Study:
- To develop and validate a nomogram for estimating canine prostate volume using transrectal ultrasonography (TRUS).
- To assess the nomogram's efficacy in cases of asymmetrical prostate morphology.
Main Methods:
- Transrectal ultrasonography (TRUS) was performed on twenty beagle dogs.
- Prostatic dimensions (length, height, width) were measured from sagittal and transaxial images.
- A nomogram equation was derived: Gravimetric prostatic volume = 0.642 x (L x H x W) + 1.84.
Main Results:
- The nomogram demonstrated a high correlation (r = 0.997, p<0.001) between estimated and actual prostatic volume.
- The formula successfully estimated the volume of a dog with an asymmetrical prostate by using average prostatic height.
- Key technical aspects for canine prostate TRUS evaluation were detailed.
Conclusions:
- The developed nomogram provides a reliable and direct method for estimating canine prostate volume.
- This tool is valuable for clinical veterinary practice, particularly in diagnosing prostatic conditions.