정연수 교수
Younsoo Chung
서울대학교 비뇨의학과 · 의학
연구실 소개
정연수 교수의 연구실은 전립선암 진단의 정밀화와 개선을 핵심 목표로 삼고 있습니다. 특히 마이크로파이버 기반의 비침습적 생검 기법인 투과성직장비생검(Transperineal biopsy)의 임상적 유용성과 MRI 유도 생검, PSMA-PET 등 최신 영상진단 기술의 융합을 통해 과잉진단과 부정확한 진단을 줄이는 데 주력하고 있습니다. 또한, 유전적 소인 탐색을 통한 가족성 전립선암의 조기 발견 및 선제적 관리 전략 개발에도 기여하고 있습니다. 특히 한국의 고령화 사회에 대비한 맞춤형 전립선암 진단 체계 구축이 연구의 핵심 축입니다.
연구 현황
연구 성과 추이
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
주요 논문
15To address the limitations and challenges associated with transrectal (TR) biopsy and to present transperineal (TP) biopsy as a viable and potentially safer alternative to TR biopsy. Prostate cancer (PCa) is a significant global health concern. The prevalence of advanced-stage prostate cancer in Asia is higher than that in the United States, emphasizing the need for effective screening and diagnosis methods. The gold standard of diagnosis is a TR biopsy. However, it has limitations due to the ri
Preoperative diagnostic ureteroscopy before RNU was a significant factor for IVR. Therefore, we should carefully consider Pre-U before RNU for nonobvious ureteral lesions. These results should be validated in a prospective study.
Possible cross-transmission of hospital-associated enterococci between human patients,medical staff, and hospital environments has been extensively studied. However, limitedinformation is available for veterinary hospital-associated Enterococcus isolates. This studyinvestigated the possibility of cross-transmission of antibiotic-resistant enterococci betweendog patients, their owners, veterinary staff, and hospital environments. Swab samples (n =46 5)were obtained from five veterinary hospitals
This review examines diagnostic methods for prostate cancer, focusing on the role of digital rectal examination (DRE) alongside modern advancements like prostate-specific antigen (PSA) testing, Prostate Health Index (PHI), magnetic resonance imaging (MRI), and prostate-specific membrane antigen positron emission tomography (PSMA-PET), particularly in the context of Korea's aging population and healthcare challenges. Technological advancements have significantly improved prostate cancer diagnosis
PI-RADS 3 lesions represent a diagnostic challenge in repeat prostate biopsy. We investigated whether PI-RADS 3 independently predicts negative biopsy outcomes and how PSA density (PSAD) modifies cancer detection across PI-RADS categories. We retrospectively analyzed 684 patients who underwent repeat MRI-guided prostate biopsy between 2015 and 2022. PI-RADS scores, clinicopathologic variables, biopsy Gleason Scores, and radical prostatectomy findings were assessed. Univariate and multivariate lo
To determine risk factors for urinary retention (UR) after robot-assisted radical cystectomy (RALC) with orthotopic neobladder diversion. A total of 269 patients who underwent RALC with orthotopic neobladder diversion from 2008 to 2019 at seven tertiary hospitals were retrospectively analyzed. There were 68 patients who had UR (UR arm) and 201 patients who did not have UR (no-UR arm). UR was defined as voiding dysfunction without catheterization or more than 100 mL of residual urine after voidin
High-P was significantly unfavorable with RT failure-free survival, OS, and CSS in patients who underwent RT after radical prostatectomy with concurrent HT. Seminal vesicle invasion, lymph node invasion, and the absence of PIN were identified as significant prognostic factors for RT failure.
Purpose: This study aimed to assess the rate of germline variant detection following targeted cascade genetic testing among family members of prostate cancer (PCa) probands.Materials and Methods: Records of PCa patients with confirmed germline mutations and their family members recommended for cascade testing were retrospectively reviewed. Cascade testing for germline mutations identified in PCa probands was conducted among first-degree relatives (FDRs) and second-degree relatives. The rate of c
Background Accurate assessment of voiding patterns before and after surgery for lower urinary tract symptoms is critical in patient care, but it places heavy burdens on both the patient and the clinic. While methods for telemedicine have been devised, no technology for acoustic assessment of urinary patterns has been prospectively evaluated for clinical use. Objective This study aims to assess the precision of a mobile app–based uroflowmetry and compare it with in-office uroflowmetry measurement
Purpose: We compared the surgical outcomes of radical nephrectomy (RN) and partial nephrectomy (PN) in adult patients with clinical T2 stage (cT2) renal cell carcinoma (RCC) by utilizing data from the Korean Renal Cell Carcinoma (KORCC) database.Materials and Methods: We retrospectively analyzed adult patients with cT2 RCC from 8 tertiary hospitals who were registered in the KORCC between 2003 and 2023. Patients with a solitary kidney or bilateral tumors were excluded. The patient cohort was div
Escalating tamsulosin from 0.2 to 0.4 mg can meaningfully improve urinary flow in certain BPH patients, particularly those with larger prostates or concomitant 5-alpha-reductase inhibitor therapy.
You have accessJournal of UrologyKidney Cancer: Localized: Surgical Therapy III (MP44)1 May 2024MP44-10 RISK FACTORS OF RENAL CELL CARCINOMA LATE RECURRENCE: KORCC REGISTRY ANALYSIS Younsoo Chung, Seok-Soo Byun, Sung Kyu Hong, Sangchul Lee, Jung Kwon Kim, Cheol Kwak, Ja Hyeon Ku, Chang Wook Jeong, Ji Youl Lee, Sung Hoo Hong, Yong-June Kim, Eu Chang Hwang, Tae Gyun Kwon, Tae-Hwan Kim, Seok Ho Kang, Jinsoo Chung, Jun Hyeon Nam, Hae Seong Lee, Jeong Keun Song, and Jeong Won Park Younsoo ChungYounso
The present study investigated the prevalence and mechanisms of fluoroquinolone (FQ)/quinolone (Q) resistance in Escherichia (E.) coli isolates from companion animals, pet-owners, and non-pet-owners. A total of 63 E. coli isolates were collected from 104 anal swab samples, and 27 nalidixic acid (NA)-resistant isolates were identified. Of those, 10 showed ciprofloxacin (CIP) resistance. A plasmid-mediated Q resistance gene was detected in one isolate. Increased efflux pump activity, as measured b
Purpose: To evaluate the impact of postoperative tadalafil on the recovery of erectile function, voiding function, and urinary continence in patients undergoing radical prostatectomy (RP) for prostate cancer. Materials and methods: A retrospective analysis was conducted on 4,173 patients who underwent RP. Patients were categorized based on postoperative use of tadalafil. Functional outcomes were assessed using the International Index of Erectile Function (IIEF-5) and the International Prostate S
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