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1.
Laparoscopic radical nephrectomy has become a well-standardized and reproducible, but technically demanding procedure. It is rapidly replacing the traditional open technique in radical nephrectomy with T1-2 tumours. Open operation will mainly be reserved for T3 tumours. Nephron-sparing surgery will play a major role in small (<4 cm) peripheral tumours. Open technique is still the standard for NSS, but with the refined techniques, laparoscopy may be soon coming. 相似文献
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Walter S. D. Hu Jiarui Talala Kirsi Tammela Teuvo Taari Kimmo Auvinen Anssi 《Cancer causes & control : CCC》2021,32(11):1299-1313
Cancer Causes & Control - Screening for prostate cancer may have limited impact on decreasing prostate cancer-related mortality. A major disadvantage is overdiagnosis, whereby lesions are... 相似文献
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Lasse Saarimäki Teuvo L. Tammela Liisa Määttänen Kimmo Taari Paula M. Kujala Jani Raitanen Anssi Auvinen 《International journal of cancer. Journal international du cancer》2015,136(9):2172-2177
Family history (FH) is one of the few known risk factors for prostate cancer (PC). There is also new evidence about mortality reduction in screening of PC with prostate‐specific antigen (PSA). Therefore, we conducted a prospective study in the Finnish Prostate Cancer Screening Trial to evaluate the impact of FH on outcomes of PC screening. Of the 80,144 men enrolled, 31,866 men were randomized to the screening arm and were invited for screening with PSA test (cut‐off 4 ng/ml) every 4 years. At the time of each invitation, FH of PC (FH) was assessed through a questionnaire. The analysis covered a follow‐up of 12 years from randomization for all men with data on FH. Of the 23,702 (74.3%) invited men attending screening, 22,756 (96.0%) provided information of their FH. Altogether 1,723 (7.3%) men reported at least one first‐degree relative diagnosed with PC and of them 235 (13.6%) were diagnosed with PC. Men with a first‐degree FH had increased risk for PC (risk ratio (RR) 1.31, p < 0.001) and the risk was especially elevated for interval cancer (RR 1.65, 95% CI 1.27–2.15). Risk for low‐grade (Gleason 2–6) tumors was increased (RR 1.46, 95% CI 1.15–1.69), but it was decreased for Gleason 8–10 tumors (RR 0.48, 95% CI 0.25–0.95). PSA test performance (sensitivity and specificity) was slightly inferior for FH positives. No difference in PC mortality was observed in terms of FH. Our findings provide no support for selective PSA screening targeting men with FH of PC. 相似文献
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K. J. A. Kairemo K. Taari J. O. Salo A. Kivisaari S. Rannikko 《Urological research》1996,24(3):161-166
Twelve nephrectomies (NEs) were performed in 12 pigs (11–17 kg). Total NE was performed on the left side and partial NE on the right side (lower third of the kidney), thus two-thirds of the total kidney volume was removed. Renal function was studied with 99mTc-diethylenetriaminepentaacetic acid (DTPA) renography and serum urea and creatinine levels preoperatively, and 1 and 2 weeks postoperatively. The pigs were imaged in each session for 30 min by collecting 10-s frames from a posteroanterior (PA) view of an anaesthesized animal. The injected activity was 37 MBq. Serial blood samples were taken from the subclavian vein at 0, 1, 2, 3, 5, 15, 25, 40, 60 and 120 min (six animals) after 99mTc-DTPA injection. The DTPA disappearance rate (DDR) was determined from these samples and in other cases (six animals) a blood sample at 20 min was used. The DDR was also determined from the dynamic gamma imaging data: Regions of interest (ROI) were upper body, spleen, heart and kidneys. The ROI analysis correlated well with the blood sampling data (r=0.97, P<0.0001). The reference values for pig DDRs were 0.99±0.08%/min. These values were 0.71±0.08%/min at 1 week postoperatively and 0.63±0.08%/min at 2 weeks. DTPA clearance rates were preoperatively 0.53±0.06 ml/s; at 1 week postoperatively 0.41±0.06 ml/s; and at 2 weeks 0.35±0.06 ml/s. There were no significant differences pre- and postoperatively in creatinine and urea concentrations. The DTPA clearance (ml/s) and disappearance rates (%/min) when determined per kidney area (cm2) increased significantly (P<0.001 at both 1 and 2 weeks); in 11 of 12 animals the function of the resected right kidney was higher than the split function of the whole right kidney preoperatively. Unilateral nephrectomy initiates a functional adaptation or a growth response in the contralateral kidney to compensate for the loss of a renal mass. These data also indicate that two-thirds of the kidney volume in young pigs can be removed without danger. 相似文献
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Idris Olasunmbo Ola Kirsi Talala Teuvo Tammela Kimmo Taari Teemu Murtola Paula Kujala Jani Raitanen Anssi Auvinen 《International journal of cancer. Journal international du cancer》2023,152(4):672-678
Prostate-specific antigen (PSA)-based screening for prostate cancer (PCa) can reduce PCa mortality, but also involves overdetection of low-risk disease with potential adverse effects. We evaluated PCa incidence among men with PSA below 3 ng/mL and no PCa diagnosis at the first screening round of the Finnish Randomized Study of Screening for PCa. Follow-up started at the first screening attendance and ended at PCa diagnosis, emigration, death or the common closing date (December 2016), whichever came first. Cox regression analysis was used to estimate hazard ratios and their confidence intervals (CI). Among men with PSA <3 ng/mL, cumulative PCa incidence was 9.1% after 17.6 years median follow-up. Cumulative incidence was 3.6% among men with baseline PSA 0 to 0.99 ng/mL, 11.5% in those with PSA 1.0 to 1.99 ng/mL and 25.7% among men with PSA 2 to 2.99 ng/mL (hazard ratio 9.0, 95% CI: 7.9-10.2 for the latter). The differences by PSA level were most striking for low-risk disease based on Gleason score and EAU risk group. PSA values <1 ng/mL indicate a very low 20-year risk, while at PSA 2 to 2.99 ng/mL risks are materially higher, with 4- to 5-fold risk for aggressive disease. Using risk-stratification and appropriate rescreening intervals will reduce screening intensity and overdetection. Using cumulative incidence of clinically significant PCa (csPCa) as the criterion, rescreening intervals could range from approximately 3 years for men with initial PSA 2 to 2.99 ng/mL, 6 years for men with PSA 1 to 1.99 ng/mL to 10 years for men with PSA <1 ng/mL. 相似文献
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Antti Rannikko Mare Leht Tuomas Mirtti Anu Kenttämies Teemu Tolonen Irina Rinta-Kiikka Tuomas P. Kilpeläinen Kari Natunen Hans Lilja Terho Lehtimäki Jani Raitanen Paula Kujala Johanna Ronkainen Mika Matikainen Anssi Petas Kimmo Taari Teuvo Tammela Anssi Auvinen 《BJU international》2022,130(2):193-199
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Ikonen S Kärkkäinen P Kivisaari L Salo JO Taari K Vehmas T Tervahartiala P Rannikko S 《The Prostate》2000,43(1):43-48
BACKGROUND: Both Gleason score and prostate-specific antigen (PSA) concentration are prognostic factors for prostate cancer. We assessed our ability to localize cancer lesions based on Gleason scores and PSA values by endorectal coil magnetic resonance imaging (MRI). We also evaluated whether the size of the prostate affects tumor detectability. METHODS: We compared the findings of MRI and histopathological results of radical prostatectomy specimens from 63 patients; they were divided into four groups, based on Gleason score and also on serum PSA concentration. Furthermore, the possible effect of prostatectomy specimen weight on MRI interpretation was examined. RESULTS: A highly significant difference appeared in detection of cancer lesions based on their differentiation grade. No statistically significant difference existed between PSA groups in detection of tumors, but the large size of the prostate seemed to render image interpretation more difficult. CONCLUSIONS: Endorectal MRI detects poorly differentiated prostate cancer lesions more accurately than clinically insignificant tumors. 相似文献