Journal List > Korean J Urol > v.48(7) > 1004956

Jung, Youn, Kang, Kwon, Park, and Ryu: Changes in the Serum Prostate-specific Antigen Level One Year after Transurethral Resection of the Prostate

Abstract

Purpose

We wanted to investigate how transurethral resection of the prostate (TURP), for treating patients with benign prostate hyperplasia (BPH), affected the serum prostate-specific antigen (PSA) levels.

Materials and Methods

The serum PSA levels were measured before and 12 months after operation in 57 patients who underwent TURP for BPH. The total prostate weight, as measured by transurethral ultrasonography (TRUS), and the weight of the surgical specimen were examined in relation to the pretreatment PSA value and the changes in the PSA levels after the operation.

Results

The preoperative mean PSA density was 0.10±0.08ng/ml/cc. The postoperative serum PSA levels were decreased significantly after TURP (p=0.002). Removal of 1g of BPH tissue reduced the serum PSA levels by an average of 0.22±0.4ng/ml. The changes in the serum PSA level one year after TURP correlated with the resected chip weights [Y=0.406+0.176x (r=0.526, p<0.05)].

Conclusions

TURP caused a long term decrease in the serum PSA level. One year after TURP, the PSA levels should be expected to decrease according to the resected chip weights.

Figures and Tables

Fig. 1
The relationship between the changes in the prostate-specific antigen (PSA) level and the resected volume in the patients suffering with benign prostatic hyperplasia (BPH) (Y=0.406+0.176x) (r=0.526, p<0.05), n=57.
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Table 1
Patient's characteristics
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PSA: prostate-specific antigen, RTW: resected tissue weight by transurethral resection of prostate

Table 2
The preoperative and postoperative PSA levels in patients with BPH or prostate cancer
kju-48-691-i002

PSA: prostate-specific antigen, BPH: benign prostatic hyperplasia, RTW: resected tissue weight by transurethral resection of prostate

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Kwangsung Park
https://orcid.org/http://orcid.org/0000-0001-8827-162X

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