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이지현,배영태,안세현,김성원,조영업,정성후,장명철,한세환,강은영,박보영,박수경,이희대,정준,이병길,황기태,김현아,김은규,백남선,윤찬석,한국유방암학회,이민혁 한국유방암학회 2011 Journal of breast cancer Vol.14 No.-
Purpose: Few studies have reported ovarian cancer risks in Korean patients with the BRCA1/2 mutation. We investigated the prevalence of ovarian cancer in Korean women at high risk for hereditary breast-ovarian cancer (HBOC) syndrome and reviewed the clinicopathological factors of ovarian cancer. Methods: Female subjects who were enrolled in the Korean Hereditary Breast Cancer study were included.The questionnaire included a personal and family history of cancer. The BRCA1/2 mutation and CA-125 level were tested at the time of enrollment. A transvaginal ultrasonogram (TVUS) was recommended for subjects with an elevated CA-125 level. Results: A total of 1,689 patients were included.No ovarian cancer was newly diagnosed by CA-125 level or TVUS during the enrollment. The prevalence of ovarian cancer was 1.71% in BRCA1/2 mutation carriers and 0.39% in non-carriers. Among 11 patients with ovarian cancer, five had the BRCA1 mutation and one had the BRCA2 mutation. The most common histopathological type was serous cystadenocarcinoma.No difference in clinicopathological findings between BRCA1/2 mutation carriers and non-carriers was observed. Conclusion: The prevalence of ovarian cancer was 58-fold elevated in women at high-risk for HBOC syndrome and 146-fold elevated in the BRCA1 subgroup, compared with the Korean general population. Further investigation with a long-term follow-up is required to evaluate BRCA1/2 gene penetrance.
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‘유방수술에 있어서 외과용 메시 사용현황’ 에대한 국내 설문조사 결과
김구상,박만영,김우재,나국영,정용식,최영진,박용래,오세정,신혁재,한국유방암학회 한국유방암학회 2009 Journal of breast cancer Vol.12 No.3
The aim of this study is to investigate the use of absorbable mesh in breast surgery in Korea. We conducted a survey from members of Korea Breast Cancer Society by phone, E-mail, and notice on the website from 6th to 20th April 2009. A total of 54 breast surgeons had responded to the survey. Of these, 40 surgeons (74.1%) had used absorbable mesh during breast surgery, with Vicryl mesh being the choice of every surgeon and Interceed having been used by 36 (90%) of the surgeons. In responding to the indications for mesh use, 26 surgeons (65%) indicated that mesh use was effective when a deformity was expected regardless of T stage. Contraindications for mesh use principally included existing patients’ comorbidity such as a wound healing problem, diabetes mellitus and immunocompromised condition. Thirty one surgeons (77.5%) had experienced an infection in the mesh insertion site. However, on a case basis, only 39 of 843 cases (4.6%) had resulted in an infection. In the follow up after mesh use, 33 of the 37 responding surgeons (89.2%) used breast ultrasonography. Nineteen of the 38 respondents (50%) replied that the mesh was absorbed in 6 months and it did not confuse diagnostic imaging. The cited merits of mesh included maintenance of breast shape following surgery (n=38/49, 77.6%) and ease of surgical use (n=35/49, 71.4%). However, the high price of mesh was cited as a disadvantage by 33 of the 48 respondents (68.8%). In summary, survey results mentioned above show that surgical mesh use in breast surgery is increasing by times and the procedures greatly varies by surgeons. Thereby, we suggest that a guideline for mesh use should be made in the near future.
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BRCA1 및BRCA2 유전자 돌연변이에 기인한 한국인 유방암 및 난소암 위험도: 예비 연구 결과보고
한상아,박수경,안세현,손병호,이민혁,최두호,노동영,한원식,이은숙,한서경,김이수,정용식,김구상,서영진,문병인,남석진,노우철,이정언,김성원,한국유방암학회 한국유방암학회 2009 Journal of breast cancer Vol.12 No.2
Purpose: To estimate the cumulative risk till each age (penetrance) of breast and ovarian cancers among female family members with BRCA1 and BRCA2 mutation. Methods: Among the 61 BRCA1 mutation carriers in the 42 families and 47 BRCA2 mutation carriers in 31 families identified at 5 academic breast clinics, the probands were excluded to estimate the cumulative risk till each age of breast cancer in the Korean BRCA1 and BRCA2 carriers. Using Kaplan-Meier analyses, cumulative cancer risk estimates were determined. Results: By the age 70, the female breast cancer risk for the BRCA1 and BRCA2 mutation carriers was 72.1% (95% confidence interval [CI]=59.5% to 84.8%) and 66.3% (95% CI=41.2% to 91.5%), respectively, and the ovarian cancer risk was 24.6% (95% CI=0% to 50.3%) and 11.1% (95% CI=0% to 31.6%), respectively. The contralateral breast cancer risk at 5 years after primary breast cancer was estimated as 16.2% (95% CI=9.3% to 23.1%) for the 52 breast cancer patients with the BRCA1 mutation and 17.3% (95% CI=9.7% to 24.0%) for the 35 breast cancer patients with the BRCA2 mutation. Conclusion: The penetrance of BRCA mutations in Korea is largely consistent with the previous studies on Western populations. However, the small number of the cases, the high proportions of probands in the study subjects, the short term follow-up, and large confidence intervals are the limitations of the current study. The Korean Hereditary Breast Cancer Study (KOHBRA Study) may definitely answer this question.
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김현아,성민기,강은영,박세호,허민희,송병주,노우철,한국유방암학회 한국유방암학회 2015 Journal of breast cancer Vol.18 No.3
Purpose: This study aimed to evaluate the survival benefit of different adjuvant chemotherapy regimens in patients with T1-2N0 triple-negative breast cancer. Methods: Of 67,321 patients who were registered in the Korean Breast Cancer Society nationwide database between January 1999 and December 2008, 4,033 patients with T1-2N0 triple-negative breast cancer were included. The overall survival of patients who did not receive adjuvant chemotherapy was compared with those treated with adjuvant anthracycline and cyclophosphamide (AC), 5-fluorouracil, anthracycline, and cyclophosphamide (FAC), or cyclophosphamide, methotrexate, and 5-fluorouracil (CMF). Results: The median follow-up was 52.5 months. Chemotherapy was used in 87.4% of patients; it was used more commonly in patients with T2 tumors, those who were younger, had a higher histologic grade, and who showed lymphovascular invasion. The 5-year cumulative overall survival rate was 95.4%. Younger age, breast-conserving surgery, and adjuvant chemotherapy were significantly associated with improved overall survival. The 5-year cumulative overall survival rate of patients who did not receive adjuvant chemotherapy and those treated with AC, FAC, and CMF were 92.5%, 95.9%, 95.3%, and 95.9%, respectively. On multivariate analysis, the administration of any adjuvant chemotherapy regimen was significantly associated with improved overall survival (p=0.038). No significant difference in survival benefit was observed among the three different treatment groups. Conclusion: A standard adjuvant chemotherapy regimen with the least drug-related toxicity might be a reasonable treatment for patients with T1-2N0 triple-negative breast cancer.
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