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영화 등장인물의 사회관계망에서 중요도를 기반으로 하는 주연 등장인물 검출 기법
허주성 ( Jooseong Heo ),서장원 ( Jangwon Seo ),김태형 ( Taehyeong Kim ),이예영 ( Yeyoung Lee ),한연희 ( Youn-hee Han ) 한국정보처리학회 2015 한국정보처리학회 학술대회논문집 Vol.22 No.1
‘영화 속에 등장하는 주연들은 어떤 기준으로 선정되는가’에서 본 논문에서는 두 가지 방법을 활용하여 주연들을 추출해보았다. 그 결과 가중치 연결 중심도를 이용한 검출 방법이 공식적인 주연급 등장인물과 일치한다는 것을 도출해냄.
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Minsuh Park,Geumhee Gwak,Jungbin Kim,조현진,Keunho Yang,Yujin Lee,Kyeongmee Park,Jiyoung Kim,Youngjoo Shin,Yeyoung Seo 한국유방암학회 2022 Journal of Breast Disease Vol.10 No.1
Purpose: The biggest concern related to ductal carcinoma in situ (DCIS) is local recurrence and recurrence patterns. The purpose of this study was to investigate the relationship between clinicopathological factors and relapse in patients treated with DCIS. Methods: We reviewed medical records of 104 patients who were diagnosed as DCIS between January 1999 and December 2015 at a single institute. We compared and analyzed clinicopathological factors such as age at diagnosis, preoperative lesions on ultrasonography, preoperative tumor markers, operation methods in the breast, histological grade, nuclear grade, resection margin, comedonecrosis, estrogen receptor/progesterone receptor expression, human epidermal factor receptor 2/neu expression, Ki-67, postoperative implementation of adjuvant hormonal therapy, and radiotherapy by dividing them into recurrent and non-recurrent groups. Results: Seventeen patients (16.3%) of 104 patients relapsed in the ipsilateral or contralateral breast. The median follow-up period of non-relapsed group was 4.9 years (range, 0.5–19.15) and the median follow-up period of relapsed group was 3.5 years (range, 1.4–14.13). Clinicopathological factors that were significantly related to relapse were nuclear grade (p=0.022) and Ki-67 (p=0.025) based on the results of chi-square or Fisher’s exact analysis. In multivariate analysis using logistic regression, Ki-67 (p=0.021) was significantly associated with DCIS relapse. Conclusion: This study suggested that the higher Ki-67 over 14% was strongly associated with DCIS relapse.
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Progesterone Receptor Expression as a Prognostic Factor in Luminal B Breast Cancer
Sooyeun Lim,Yoojin Lee,Jungbin Kim,조현진,Keunho Yang,Kyeongmee Park,Jiyoung Kim,Youngjoo Sin,Yeyoung Seo,Geumhee Gwak 한국유방암학회 2022 Journal of Breast Disease Vol.10 No.1
Purpose: The luminal subtype of breast cancer has heterogeneous biological characteristics with respect to the expression of estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor-2 (HER2), and Ki-67. We analyzed luminal B breast cancer subcategorized by PR expression and identified clinically relevant prognostic factors. Methods: We collected the clinical and pathologic data of 247 breast cancer patients (stage 1-4) who were diagnosed with luminal B subtype, defined as ER- and/or PR-positive and/or HER2-positive and with a high Ki-67 proliferation index (>14%). We classified them into PR intact and PR low groups according to PR expression pattern. We also analyzed the clinical and pathological data of each group, including age at diagnosis, tumor size, node metastasis, breast and axillary operative method, margin involvement, tumor-node-metastasis (TNM) stage, histological grade, nuclear grade, number of tumors, and expression of ER, PR, Ki-67, and Bcl-2; evaluated recurrence or metastatic characteristics; and analyzed disease-free survival (DFS) and overall survival (OS) in both groups. Results: Among the 247 luminal B breast cancer patients (stage 1-4), 141 were classified into the PR intact group (57.1%) and 106 into the PR low group (42.9%). The PR low group was associated with age >50 years (p=0.001), low Bcl-2 expression (p<0.001), and high proportion of mastectomies (p<0.001). DFS and OS were significantly lower in the PR low group (p=0.025 and 0.024, respectively). Conclusion: This study showed that decreased in PR expression (PR low group) in luminal B breast cancer was related to poor prognosis compared to normal PR expression (PR intact group).
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