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RISS 인기검색어
- 검색키워드
- 저자 : Foo Cheong Ng (검색결과 2 건)
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Detection Rate of Prostate Cancer on the Basis of the Vienna Nomogram: A Singapore Study
Jin Kiat Teo,Beow Kiong Poh,Foo Cheong Ng,Yan Kit Fong 대한비뇨의학회 2014 Investigative and Clinical Urology Vol.55 No.4
Purpose: The purpose of this study was to determine the efficacy of the Vienna nomogramprostate biopsy model in the detection of prostate cancer in our local population. We also assessed the incidence of complications from using such a template. Materials and Methods: From January 2006 to June 2007, 120 men with either elevatedprostate-specific antigen (PSA) scores (>4 ng/mL) and/or abnormal digital rectal examinationwere enrolled prospectively to undergo extraction of 6 to 18 cores for transrectalultrasound-guided prostate biopsy, as indicated by the Vienna nomogram. Results: The mean age was 62.6±8.3 years (range, 40–86 years). The mean PSA scorewas 13.42 ng/mL. The mean number of cores obtained was 9.68±3.1. According to theVienna nomogram, 27 out of a total of 120 patients had prostate cancer, for a detectionrate of 22.5%. In the group of patients with PSA scores <10 ng/mL, the detection ratewas 14.9% (14 of 94 patients). The group of patients with PSA scores >10 ng/mL hada detection rate of 50% (13 of 26). The complication rate in our study was 7.5%. Conclusions: With the use of the Vienna nomogram, our prostate cancer detection rateis comparable to previously published data for Asian patients. This nomogram offersan easy tool with which to select the optimal number of prostate biopsy cores to be takenon the basis of patient age and total prostate volume. With this biopsy strategy, we alsohave found that the complication rate from prostate biopsy is low.
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Ultrasound-guided percutaneous nephrolithotomy: Advantages and limitations
Foo Cheong Ng,Wai Loon Yam,Tze Ying Benjamin Lim,Jin Kiat Teo,Kok Kit Ng,Sey Kiat Lim 대한비뇨의학회 2017 Investigative and Clinical Urology Vol.58 No.5
Purpose: The use of ultrasound in percutaneous nephrolithotomy (PCNL) has not been shown to translate to better clinical and stone outcomes. To compare the operative outcomes, postoperative outcomes and complication rates of ultrasound-guided access PCNL (USGA-PCNL) versus fluoroscopy-guided access PCNL (FGA-PCNL). Materials and Methods: A total of 184 consecutive patients who underwent PCNL from July 2008 to September 2014 were identified from our PCNL database. Seventy-two patients underwent USGA-PCNL and 112 FGA-PCNL. Results: The patients were similar in age, sex, race, American Society of Anesthesiologists physical status classification, mean largest stone diameters, side of PCNL, number of stones and the degree of hydronephrosis between both groups. There were higher rates of upper pole (5.6% vs. 3.6%), mid pole (8.3% vs. 2.7%) and multiple pole punctures (4.2% vs. 0%) in USGA-PCNL compared to FGA-PCNL (p=0.027). There was no difference in the stone free rates of both groups in univariate analysis. Those who had FGA-PCNL were 2.26 (95% confidence interval, 1.09–4.75; p=0.029) times more likely to require a second-look procedure compared to USGA-PCNL on univariate analysis but not on multivariate analysis. There were no differences in Clavien-Dindo complications. No patient in the USGA-PCNL group experienced organ injuries during puncture compared to 1 patient in the FGA-PCNL group who had pneumothorax requiring urgent chest tube insertion. Conclusions: The use of ultrasonography to guide access puncture during PCNL eliminates the risk of inadvertent organ injuries. Similar operative and stone outcomes show that the learning curve for USGA is minimal compared to conventional FGA.
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