The role of transabdominal ultrasound in the preoperative evaluation of patients with benign prostatic hypertrophy

Claus Roehrborn, H. K W Chinn, P. F. Fulgham, K. L. Simpkins, P. C. Peters

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Abstract

We evaluated 59 consecutive patients for obstructive voiding symptoms with physical examination, excretory urography, urethrocystoscopy, post-voiding residual volumes, uroflowmetry and transabdominal ultrasound of the prostate. Of the patients 53 underwent transurethral resection of the prostate and 6 underwent open prostatectomy. Followup uroflowmetry was done 4 weeks postoperatively. The best predictor of the actual prostatic weight was transabdominal ultrasound (r equals 0.975), and with digital rectal examination and urethrocystoscopy there was a tendency to overestimate small and underestimate large glands. Symptoms such as nocturia do not allow any conclusions about the size of the prostate. The correlation between specimen weight, and the difference between the preoperative and postoperative flow rate index is highly significant (p less than 0.001, mean difference test), the correlation between specimen weight, and the difference between preoperative and postoperative flow rate index is not significant. We recommend transabdominal sonography of the prostate, a simple and noninvasive procedure, as a useful adjunct in the preoperative evaluation of patients with benign prostatic hypertrophy. In addition to the fact that only this method provides reliable and reproducible estimations of the weight of the prostate, further information, such as measurement of the post-void residual volume, can be obtained without additional costs or loss of time.

Original languageEnglish (US)
Pages (from-to)1190-1193
Number of pages4
JournalJournal of Urology
Volume135
Issue number6
Publication statusPublished - 1986

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ASJC Scopus subject areas

  • Urology

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Roehrborn, C., Chinn, H. K. W., Fulgham, P. F., Simpkins, K. L., & Peters, P. C. (1986). The role of transabdominal ultrasound in the preoperative evaluation of patients with benign prostatic hypertrophy. Journal of Urology, 135(6), 1190-1193.