Kiyoshi Yoshino
University of Southern California
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Obstetrics & Gynecology | 2014
Koji Matsuo; Kiyoshi Yoshino; Kosuke Hiramatsu; Chiaki Banzai; Kosei Hasegawa; Masanori Yasuda; Masato Nishimura; Todd B. Sheridan; Yuji Ikeda; Yasuhiko Shiki; Seiji Mabuchi; Takayuki Enomoto; Tadashi Kimura; Keiichi Fujiwara; Lynda D. Roman; Anil K. Sood
OBJECTIVE: To evaluate the effect of lymphovascular space invasion on survival of patients with early-stage epithelial ovarian cancer. METHODS: A multicenter retrospective study was conducted for patients with stage IA-C epithelial ovarian cancer who underwent primary comprehensive surgery including lymphadenectomy. Histopathology slides for ovarian tumors were examined by gynecologic pathologists for the presence or absence of lymphovascular space invasion. Survival analysis was performed examining tumoral factors. RESULTS: A total of 434 patients were included in the analysis. Lymphovascular space invasion was detected in 76 (17.5%) patients associated with histology (P=.042) and stage (P=.044). Lymphovascular space invasion was significantly associated with decreased survival outcomes (disease-free survival, 5-year rate 78.4% compared with 90.7%, P=.024 and overall survival, 84.9% compared with 93.2%, P=.031) in univariate analysis. In multivariate analysis, lymphovascular space invasion did not remain a significant variable for disease-free survival (hazard ratio [HR] 1.98, 95% confidence interval [CI] 0.97–3.97, P=.059) or overall survival (HR 2.41, 95% CI 0.99–5.85, P=.052). Lymphovascular space invasion was associated with increased risk of hematogenous and lymphatic metastasis (HR 4.79, 95% CI 1.75–13.2, P=.002) but not peritoneal metastasis (P=.33) in multivariate analysis. Among lymphovascular space invasion-expressing tumors, patients who received fewer than six cycles of postoperative chemotherapy had significantly poorer disease-free survival than those who received six or more cycles (HR 4.59, 95% CI 1.20–17.5, P=.015). CONCLUSION: Lymphovascular space invasion is an important histologic feature to identify a subgroup of patients with increased risk of recurrence in stage I epithelial ovarian cancer. LEVEL OF EVIDENCE: III
European Journal of Gynaecological Oncology | 2012
Mika Okazawa; Yasunori Ueda; Takayuki Enomoto; Kiyoshi Yoshino; Kono K; Seiji Mabuchi; Tadashi Kimura; Masaaki Nagamatsu
日本産科婦人科學會雜誌 | 2016
Satoshi Nakagawa; Kiyoshi Yoshino; Satoko Matsuzaki; Shinya Matsuzaki; Tomomi Takata; Eiji Kobayashi; Yutaka Ueda; Tetsuji Naka; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Kosuke Hiramatsu; Kiyoshi Yoshino; Takayuki Enomoto; Satoshi Nakagawa; Akiko Morimoto; Takuhei Yokoyama; Kyoka Amemiya; Shinya Matsuzaki; Eiji Kobayashi; Yutaka Ueda; Tetsuji Naka; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Mamoru Kakuda; Shinya Matsuzaki; Yusuke Tanaka; Tomomi Takata; Eiji Kobayashi; Yutaka Ueda; Kiyoshi Yoshino; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Satoshi Kubota; Tomomi Takata; Yusuke Tanaka; Akiko Morimoto; Yutaka Ueda; Kiyoshi Yoshino; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Hyangsang Lee; Kenjiro Sawada; Kazuya Mimura; Kae Hashimoto; Eiji Kobayashi; On Fukui; Seiji Mabuchi; Yutaka Ueda; Takuji Tomimatsu; Kiyoshi Yoshino; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Mayu Shiomi; Eiji Kobayashi; Kazuya Mimura; Kae Hashimoto; On Fukui; Seiji Mabuchi; Yutaka Ueda; Kenjiro Sawada; Takuji Tomimatsu; Kiyoshi Yoshino; Tadashi Kimura
日本産科婦人科學會雜誌 | 2016
Yusuke Tanaka; Yutaka Ueda; Mamoru Kakuda; Satoshi Kubota; Satoko Matsuzaki; Satoshi Nakagawa; Tomomi Takata; Shinya Matsuzaki; Eiji Kobayashi; Kiyoshi Yoshino; Tadashi Kimura
Archive | 2016
Mamoru Kakuda; Eiji Kobayashi; Kiyoshi Yoshino; Tadashi Kimura