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  • Title: [Transrectal high-intensity focused ultrasound with the Sonablate 500 for the treatment of prostate cancer].
    Author: Lu J, Chen ZY, Wang W, Zhang YF, Qiu XF, Zhang LC, Hu WL, Xu WF, Ye ZQ.
    Journal: Zhonghua Nan Ke Xue; 2007 Nov; 13(11):1005-8. PubMed ID: 18077913.
    Abstract:
    OBJECTIVE: To evaluate the clinical effect of transrectal high-intensity focused ultrasound (HIFU) in the treatment of prostate cancer (PCa). METHODS: A total of 57 PCa patients, 27 localized and 30 advanced, underwent transrectal HIFU with the Sonab- late 500, the localized group treated by transrectal HIFU only, while the advanced group by transrectal HIFU combined with androgen ablation. RESULTS: For the HIFU treatment, the mean operating time, hospital stay and follow-up were 111 mm (ranging from 86 to 153 mm), 3.2 days (ranging from 2 to 18 days) and 18 months (ranging from 6 to 30 months), respectively. The biochemical disease-free rates at 1, 2 and 3 years in the localized group were 86%, 81% and 79%, respectively. While in the advanced group, the serum prostate specific antigen (PSA) was < 4.0 microg/L in 26 cases ( < 0.51 microg/L in 20) and the prostate volume decreased more than 50% in 21 cases after treated for an average of 8 months (ranging from 3 to 24 months). After transrectal HIFU prostate ablation, the prostate volume reduced, serum PSA lowered, Qmax raised and IPSS improved significantly (P < 0.05). No serious complications occurred including severe urethrorectal fistula and incontinence. CONCLUSION: Transrectal HIFU is a safe, effective and minimally invasive therapy for patients with prostate cancer.
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