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Hongzoo Park(박홍주) 대한비뇨기종양학회 2020 대한비뇨기종양학회지 Vol.18 No.1
Ureteroneocystostomy is a good treatment option for iatrogenic ureteral injury. Common complications at ureteroneocystostomy sites are strictures, stone formation, urinary infections, fistulas, and ureteral leaks. Here, we report a rare occurrence of urothelial carcinoma occurring at the site of a previous ureteral reimplantation. A 57-year-old female presented in the Emergency Department with left flank pain and chills. She had undergone a left ureteroneocystostomy with Boari flap due to iatrogenic ureteral obstruction during a laparoscopic left ovarian cystic mass excision 2 years ago. Computed tomography revealed left ureteral obstruction by the tumor at the neo-ureterovesical junction site. Both anterograde and retrograde ureteral catheterization approaches failed. We conducted a left percutaneous nephrostomy and administered antibiotics. Urine cytology was negative. We performed a left ureterovesical obstructive mass excision and Yang-Monti ileal ureter reconstruction. Biopsy of the ureteral-obstructing tumor revealed a low-grade papillary urothelial carcinoma. The patient’s symptoms and signs improved after surgery. To the best of our knowledge, this is the first report of a de novo urothelial carcinoma at the site of previous ureterovesical junction surgery. Urothelial carcinoma should be considered as one of the causes of stricture after ureteroneocystostomy.
한국인에서 전립선암을 예측하는 데 있어 Prostate Health Index Density의 임상적 유용성에 관한 전향적, 다기관 연구
송기현(Geehyun Song),박홍주(Hongzoo Park),이상욱(Sang Wook Lee),강태욱(Tae Wook Kang),정재흥(Jae Hung Jung),정현철(Hyun Chul Chung),김성진(Sung Jin Kim),박종연(Jong Yeon Park),김정현(Jeong Hyun Kim) 대한비뇨기종양학회 2020 대한비뇨기종양학회지 Vol.18 No.2
Purpose: We evaluated the clinical performance of Prostate Health Index (PHI) density with [-2]proPSA (p2PSA) and its derivatives in predicting the presence of prostate cancer (PCa) in Korean men. Materials and Methods: A total of 706 men with total prostate-specific antigen (tPSA)≥2.5 ng/mL who underwent their first prostate biopsy were included in this prospective, multicenter, observational study. Diagnostic accuracy of tPSA, free-to-total PSA ratio (%fPSA), p2PSA, %p2PSA, the Beckman Coulter PHI, and PHI density was assessed by receiver operating characteristic curve analyses and logistic regression analyses. PHI was calculated as [(p2PSA/free PSA)×tPSA½], and density calculations were performed using prostate volume as determined by transrectal ultrasonography. Results: Overall, PCa was detected in 367 of all subjects (52%). In men with tPSA 2.5-10 ng/mL, the detection rate of PCa was 41.1% (188 of 457). In this group, PHI and PHI density were the most accurate predictors of PCa and significantly outperformed tPSA and %fPSA; area under the curve for tPSA, %fPSA, %p2PSA, PHI, and PHI density was 0.58, 0.68, 0.70, 0.75, 0.73 respectively. PHI and PHI density were also the strongest predictor of PCa with Gleason score ≥7. Conclusions: Based on the present prospective multicenter experience, PHI and PHI density demonstrate the superior clinical performance in predicting the presence of PCa in Korean men with tPSA 2.5-10 ng/mL.
하윤석(Yun-Sok Ha),김광택(Kwang Taek Kim),남욱(Wook Nam),박홍주(Hongzoo Park),유상준(Sangjun Yoo),이찬호(Chan Ho Lee),정호석(Ho Seok Chung),최우석(Woo Suk Choi),김지연(Jiyoun Kim),신재은(Jaeeun Shin),김정현(Jeong Hyun Kim),곽철(Cheol 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.3
Purpose: The survey was conducted on Korean men to examine information acquisition channel for prostate cancer high risk group as part of the “Blue Ribbon Campaign” of the Korean Urological Oncology Society. Materials and Methods: An online survey of 500 men aged 50 years old or older was completed to query investigation of the status of prostate cancer awareness and information acquisition from February 4 to February 9, 2021. Results: Most men in their 50s and older are well aware that prostate cancer can also occur in young men in their 40s, so the rate of misunderstanding of the timing of prostate cancer screening after their 60s is very low. Two-thirds of all respondents (67.2%) were also confirmed that prostate cancer had no initial symptoms and was not included in the national cancer screening. Seventy-five percent of people look up information on their own in case of suspected prostate cancer, and 51.6% seek out knowledge on their own to prevent prostate cancer. Of the respondents, 27.4% of men contacted prostate cancer-related information within the past year, and the percentage of people contacted through ‘Internet/Phone,’ ‘People Around’ and ‘Television’ was high. The most trusted channel among prostate cancer information channels was ‘medical professionals,’ but the experience rate was not high, and the channel with high experience rate and reliability was shown as ‘television.’ Conclusions: Much effort is still needed to understand the information acquisition behavior of Korean men and to improve awareness of early screening for prostate cancer.