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Hyeong Dong Yuk,Minyong Kang,Jung Keun Lee,Sung Kyu Hong,Ja Hyeon Ku,Seok-Soo Byun,Cheol Kwak,Hyeon Hoe Kim,Sang Eun Lee,Chang Wook Jeong 대한비뇨기종양학회 2017 대한비뇨기종양학회지 Vol.15 No.3
Purpose: To evaluate the clinicopathologic and oncological outcomes of advanced metastatic testicular cancer in Korean men who underwent retroperitoneal lymph node dissection (RPLND) following chemotherapy. Materials and Methods: Data of 26 patients with testicular cancer who underwent RPLND after chemotherapy at 2 hospitals in Korea between September 2004 and June 2016 were retrospectively analyzed. Clinical and histopathological variables such as stage of the testicular cancer, age of the patients during surgery, size of the retroperitoneal lymph nodes (RPLNs), histopathological results, duration and complications related to the surgery, cancer recurrence, and mortality were analyzed. Results: During testicular surgery, the T stage was pT1, pT2, and pT3 in 50% (n=13), 26.9% (n=7), and 15.3% (n=4) of the patients, respectively. Mixed germ cell tumor was the most common finding, seen in 73.1% (n=19) of patients. The indications for RPLND were residual lymph nodes after chemotherapy, 84.6% (n=22); and disease progression and remission, 7.7% (n=2). Pathological analysis revealed viable tumors in 19.2% of patients (n=5), necrotic/fibrotic tissue in 42.3% (n=11), and teratoma in 34.6% (n=9). Intraoperative and postoperative complications occurred in 23.1% (n=6) and 19.2% of patients (n=5). The median duration of follow-up was 27.5 months (interquartile range, 1.3–108.2 months); 11.5% (n=3) patients had recurrence, and 3.8% (n=1) died of progressive metastatic testicular cancer. Conclusions: Viable germ cell tumors were present in 19.2% of patients with testicular cancer who underwent RPLND after chemotherapy. This is the first study of its kind in the Korean population.
Choi Changil,Kang Minyong,Seo Seong Il,Suh Jungyo,Song Cheryn,Chung Jinsoo,Kim Sung Han,Park Jae Young,Hwang Eu Chang,Jeong Chang Wook,Kwak Cheol,Kim Jung Kwon,Hong Sung-Hoo 대한의학회 2024 Journal of Korean medical science Vol.39 No.3
Background: We sought to identify prognostic risk factors for one year recurrence in patient with renal cell carcinoma (RCC) after partial or radical nephrectomy. Methods: We performed a retrospective study of 1,269 patients with RCC after partial or radical nephrectomy and diagnosed recurrence using Korean Renal Cancer Study Group (KRoCS) database between January 1991 and March 2017. Recurrence-free survival (RFS), and overall survival (OS) were calculated using the Kaplan–Meier method and multivariate Cox regression analysis were performed to evaluate independent prognostic factors for recurrence Results: The median patient age was 56 years and median follow-up period was 67 months. Multivariable analysis demonstrated BMI greater than or equal to 23 and less than 30 (vs. BMI less than 23, hazard ratio [HR]: 0.707, P = 0.020) reduced recurrence one year postoperatively. Eastern Cooperative Oncology Group performance status (ECOG PS) greater than or equal to 1 (vs. ECOG PS 0, HR: 1.548, P = 0.007), high pathological T stage (pT2 vs. pT1, HR: 2.622, P < 0.001; pT3 vs. pT1, HR: 4.256, P < 0.001; pT4 vs. pT1, HR: 4.558, P < 0.001), and tumor necrosis (vs. no tumor necrosis, HR: 2.822, P < 0.001) were independent predictive factors for early recurrence within one year in patients with RCC. Statistically significant differences on RFS and OS were found among pathological T stages (pT2 vs. pT1; pT3 vs. pT1; pT4 vs. pT1, all P < 0.001). Conclusion: This large multicenter study demonstrated ECOG PS greater than or equal to 1, high pathological T stage, tumor necrosis and BMI less than 23 were significant prognostic risk factors of early recurrence within one year in patients with RCC who underwent nephrectomy.
이희우 ( Lee Heewoo ),이윤섭 ( Lee Yunsub ),이민용 ( Lee Minyong ),정영수 ( Jung Youngsoo ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
In the 4th Industrial Revolution and changes in the construction industry market, the importance of information management is becoming more emphasized. For efficient use of information, construction data must be collected, processed and analyzed more quickly and accurately, depending on the purpose of the project. Thus, data could be utilized as integrated knowledge. However, there is a limit to searching or managing construction information produced in various formats over the entire life cycle by index words. Therefore, this study proposes a construction information integrated management plan that reflects the characteristics of the construction industry by applying the OWL concept. For this, as an initial study, an architectural object of small size and clear features was needed. Therefore, a construction information management study using OWL was conducted for Korean traditional architectural style houses (Hanok) which has these characteristics.