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Prostate. 1997 May 15;31(3):175-9.

Histologic differences in benign prostate hyperplasia between Chinese and American men.

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1
Department of Urology, Affiliated Hospital of Quingdao Medical College, China.

Abstract

BACKGROUND:

This investigation sought to determine morphologic differences between Chinese and Americans with symptomatic benign prostatic hyperplasia (BPH), in an admixture of stroma, epithelium, and luminal spaces.

METHODS:

Adjacent sections of simple prostatectomy specimens from China and the U.S. were stained to highlight the stroma and epithelium. Image analysis was performed on random fields.

RESULTS:

Chinese tissue had higher glandular densities (mean = 12.5 acini/mm2 vs. 6.2 acini/mm2; P < 0.0001), while American samples had higher percent stroma (mean = 66% vs. 51%; P = 0.0003). Mean luminal cell heights in the Chinese and American prostate acini were 11.7 and 19.0 microns, respectively (P < 0.0001).

CONCLUSIONS:

These data indicate significant histologic variation in BPH between Chinese and American men undergoing simple prostatectomy. These differences may provide a focus for investigating the epidemiological variation in clinical BPH and carcinoma between our two countries, and could have applications in clinical management of symptomatic BPH.

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