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KMID : 0191120110260091214
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Journal of Korean Medical Science
2011 Volume.26 No. 9 p.1214 ~ p.1218
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Prostate Size Correlates with Fasting Blood Glucose in Non-Diabetic Benign Prostatic Hyperplasia Patients with Normal Testosterone Levels
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Kim Won-Tae
Yun Seok-Joong
Choi Young-Deuk
Kim Gi-Young
Moon Sung-Kwon
Choi Yung-Hyun
Kim Isaac-Yi
Kim Wun-Jae
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Abstract
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We evaluated the correlations between BMI, fasting glucose, insulin, testosterone level, insulin resistance, and prostate size in non-diabetic benign prostatic hyperplasia (BPH) patients with normal testosterone levels. Data from 212 non-diabetic BPH patients with normal testosterone levels, who underwent transurethral resection of the prostate (TURP) due to medical treatment failure, were evaluated retrospectively. Patients with prostate specific antigen (PSA) levels of ≥ 3 ng/mL underwent multicore transrectal prostate biopsy before TURP to rule out prostate cancer. Patients with diabetes mellitus (DM) or serum testosterone levels of < 3.50 ng/mL were excluded from analysis. Correlations between clinical and laboratory parameters were determined. Prostate size correlated positively with age (r = 0.227, P < 0.001), PSA (r = 0.510, P < 0.001), and fasting glucose level (r = 0.186, P = 0.007), but not with BMI, testosterone, insulin level, or insulin resistance (each P > 0.05). Testosterone level inversely correlated with BMI (r = -0.327, P < 0.001), insulin level (r = -0.207, P = 0.003), and insulin resistance (r = -0.221, P = 0.001), but not with age, prostate size, PSA, or fasting glucose level (each P > 0.05). Upon multiple adjusted linear regression analysis, prostate size correlated with elevated PSA (P < 0.001) and increased fasting glucose levels (P = 0.023). In non-DM BPH patients with normal testosterone levels, fasting glucose level is an independent risk factor for prostate hyperplasia.
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KEYWORD
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Prostatic Hyperplasia, Insulin Resistance, Prostate
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