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Utility of Urinalysis as a Follow-up Surveillance Tool in Nonmuscle Invasive Bladder Cancer
Minuk Park(박민욱),Bumjin Lim(임범진),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Bumsik Hong(홍범식),Choung-Soo Kim(김청수),Hanjong Ahn(안한종),Jun Hyuk Hong(홍준혁) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To evaluate the association between microscopic hematuria (MH) detected by surveillance urinalysis and cancer recurrence in nonmuscle invasive bladder cancer (NMIBC) patients. Materials and Methods: A total of 1,082 NMIBC patients who underwent transurethral resection of bladder tumor (TURB) procedures at Asan Medical Center between January 2017 and December 2019 were included. We retrospectively reviewed the follow-up data for these cases including cystoscopy, urinalysis, and urine cytology. The association between urine testing and cancer recurrence was assessed by both univariable and multivariable logistic regression analysis. Results: The study patients had a median age of 68 years (interquartile range, 60–75 years) and comprised 898 men and 184 women. Among the 1,428 TURB procedures conducted in this series, 548 of the lesions (38.4%) were diagnosed as low-grade and 880 (61.6%) as high-grade cancers. A total of 3,309 follow-up cystoscopies were conducted during the study period and were divided into high-grade (HG) (2,011 cases) and low-grade (LG) (1,298 cases) groups according to the latest TURB pathology. MH was found to have a statistically significant association with NMIBC recurrence in both the LG (odds ratio [OR], 1.57; 95% confidence interval [CI], 1.107–2.223; p=0.011) and HG (OR, 1.90; 95% CI, 1.434–2.517; p<0.001) groups. Conclusions: Urinalysis during follow-up may provide important information on cancer recurrence in NMIBC patients.
Risk Factors Leading to Radical Cystectomy in Patients Who Had Undergone Nephroureterectomy
Janghui Lee(이장희),Bumjin Lim(임범진),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Jun Hyuk Hong(홍준혁),Choung-Soo Kim(김청수),Hanjong Ahn(안한종),Bumsik Hong(홍범식) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To identify the risk factors leading to radical cystectomy in patients who had undergone nephroureterectomy (NUx). Materials and Methods: We retrospectively reviewed the medical records of patients with upper tract urothelial carcinoma who underwent NUx during 2011–2019 and excluded patients with metastatic cancer. In total 646 patients were included in this study; of these, 532 had no previous bladder cancer history. Follow-up was performed every 3 months for 2 years after NUx was administered, and recurrence was confirmed using cystoscopy, urine cytology, computed tomography, and chest radiography. Bladder recurrence was confirmed through biopsy, urine cytology, or radiologic examination. Univariate and multivariate Cox regression analyzes were performed for statistical analysis of risk factors leading to radical cystectomy in patients undergoing NUx. Results: Lymphovascular invasion (LVI) (hazard ratio [HR], 4.728; 95% confidence interval [CI], 1.463–15.570; p=0.011), previous transurethral resection of bladder tumor history (HR, 3.825; 95% CI, 1.164–12.571; p=0.027), and intravesical recurrence (IVR) within 6 months (HR, 3.733; 95% CI, 1.091–12.778; p=0.036) in patients undergoing NUx are predictors of radical cystectomy implementation. In a multivariate analysis of patients without bladder cancer history, bladder recurrence was identified as a predictor of radical cystectomy implementation, if it occurred within 6 months of NUx (HR, 8.608; 95% CI, 1.545–47.976; p=0.014). Conclusions: LVI and IVR within 6 months and previous bladder cancer history are factors that can predict the need for radical cystectomy after NUx. Even in patients without bladder cancer history, early bladder recurrence within 6 months is a major predictor of radical cystectomy.
정창욱(Chang Wook Jeong),변석수(Seok-Soo Byun),이은식(Eunsik Lee),이상은(Sang Eun Lee),정병하(Byung Ha Chung),최영득(Young Deuk Choi),최한용(Han Yong Choi),이현무(Hyun Moo Lee),안한종(Hanjong Ahn),황태곤(Tae-Kon Hwang),이강현(Kang Hy 대한비뇨기종양학회 2013 대한비뇨기종양학회지 Vol.11 No.3
Purpose: Previously, Seoul National University (SNU) prostate cancer (PC) stage calculator was developed to predict the pathological stage of clinically localized PC after radical prostatectomy (RP) in Korean men. We evaluated its generalizability and compared their clinical values with 2013 Partin tables by Korean multicenter cohort. Materials and Methods: Evaluated cohort consisted of 2,607 patients who had clinical stages T1c-T3a PC and were treated with RP at 14 institutions in Korea. After excluding 262 cases with prior hormone or radiation therapy and 604 cases with missing data, 1,741 cases were analyzed. Predictive accuracy was evaluated using the area under the receiver operating characteristic curve (AUC). The agreement between the predicted values with observed outcome was assessed with calibration plot. SNU PC stage calculator was compared with 2013 Partin tables applying to this cohort using DeLong method and decision curve analysis. Results: The accuracies of SNU PC stage calculator was all higher than those of 2013 Partin tables to predict organ-confined disease (0.755 vs. 0.711, p<0.001), extraprostatic extension (0.743 vs. 0.665, p<0.001), seminal vesicle invasion (0.833 vs. 0.764, p<0.001), and lymph node metastasis (0.842 vs 0.760, p=0.019). The observed outcomes were well calibrated with their predicted values by the calculator. Decision curve analyses demonstrated higher net benefits of SNU PC stage calculator compared with 2013 Partin tables.
전립선암으로 근치적 전립선적출술을 받은 한국인의 특징과 예후
김대성(Dae Sung Kim),변석수(Seok-Soo Byun),이상은(Sang Eun Lee),이은식(Eunsik Lee),최한용(Han Yong Choi),정병하(Byung Ha Chung),최영득(Young Deuk Choi),안한종(Hanjong Ahn),황태곤(Tae-Kon Hwang),이강현(Kang Hyun Lee),김원재(Wun-Jae Ki 대한비뇨기종양학회 2010 대한비뇨기종양학회지 Vol.8 No.1
Purpose: There is a great difference between the prostate cancer in Asian men compared to Western men. We evaluated the clinicopathologic features and prognosis of Korean men with prostate cancer who underwent radical prostatectomy. Materials and Methods: We reviewed retrospectively the clinicopathologic parameters including age, preoperative PSA, stage, Gleason score and so on in 2,783 men underwent radical prostatectomy in 14 institutions. Of 2,783 men, patients with prior radiotherapy, neoadjuvant treatment, suspicious lymph node invasion, distant metastasis and treatment failure were excluded. We evaluated recent change in clinical parameters. 2,081 men with localized prostate cancer were analyzed for the biochemical recurrence-free survival rates. Results: Proportion of patients with serum PSA of less than 10ng/ml were 38.9% in 1999. However the proportion were 68.6% in 2008. The 5-year overall biochemical recurrence-free survival rate (BCR-FS) was 48%. The 5-year BCR-FS according to the preoperative serum PSA, biopsy Gleason score, pathologic T stage, margin positivity had the lower level than Western series. Conclusions: The proportion of patients with serum PSA <10ng/ml were increased in Korean men with prostate cancer. However, the BCR-FS had the lower level than Western men. Therefore, we must consider that the prostate cancer in Korean men have a unfavorable prognosis compared with Western men.