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KMID : 0377220010260020076
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Medical Journal of Chosun Univercity
2001 Volume.26 No. 2 p.76 ~ p.80
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Transition zone index as a method of assessing begin prostate hyperplasia : correlation with symptom score and uroflow
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Kim Chul-Sung
Chun Sang-Jun
Chung Chee-Young
So Young-Seog
Roh Joon
Jang Dae-Soo
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Abstract
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Purpose : otal prostate volume has been known to be poorly correlated with other parameters used to assess benign prostatic hyperplasia(BPH), including international prostatic symptom score(IPSS), peak flow rate(Qmax). This study was aimed to investigate the possible correlation between transition zone index(TZI), IPSS and Qmax in patients with clinical benign prostatic hyperplasia(BPH).
Materials and methods : From September 1999 to December 2000, A total of 95patients with clinical BPH were evaluated total prostate volume(TV), transition zone volume(TZV), TZI, IPSS and Qmax. TZI was determined as the ratio between transition zone volume(TZV) and total prostate volume(TV).
Results : The relationships between IPSS and TV, TZV, and TZI were not statistically significant. A statistically significant relationship was observed between TZV, TZI and Qmax and between TV, TZV, TZI and age.
Conclusion : These results suggest that TZV, TZI may not be a useful method to assess symptom severity in BPH patients but may be limited clinical parameters.
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KEYWORD
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Benign prostatic hyperplasia, Transition zone index, International prostate symptom score Urine flow
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