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Author Toyomi Satoh

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The 2020 Japan Society of Gynecologic Oncology guidelines for the treatment of ovarian cancer, fallopian tube cancer, and primary peritoneal cancer.

Hideki Tokunaga, Mikio Mikami, Satoru Nagase, Yoichi Kobayashi, Tsutomu Tabata, Masanori Kaneuchi, Toyomi Satoh, Yasuyuki Hirashima, Noriomi Matsumura, Yoshihito Yokoyama, Kei Kawana, Satoru Kyo, Daisuke Aoki, Hidetaka Katabuchi,

The fifth edition of the Japan Society of Gynecologic Oncology guidelines for the treatment of ovarian cancer, fallopian tube cancer, and primary peritoneal cancer was published in 2020. The guidelines contain 6 chapters-namely, (1) overview of the guidelines; (2) epithelial ovarian cancer, fallopian tube cancer, and primary peritoneal cancer; (3) ... Read more >>

J Gynecol Oncol (Journal of gynecologic oncology)
[2021, 32(2):e49]

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Stage III disease of ovarian, tubal and peritoneal cancers can be accurately diagnosed with pre-operative CT. Japan Clinical Oncology Group Study JCOG0602.

Takashi Onda, Yumiko Oishi Tanaka, Satomi Kitai, Tomoko Manabe, Mitsuya Ishikawa, Yoko Hasumi, Kenichi Miyamoto, Gakuto Ogawa, Toyomi Satoh, Toshiaki Saito, Takahiro Kasamatsu, Toru Nakanishi, ,

<h4>Purpose</h4>Computed tomography of the abdomen and pelvis is a useful imaging modality for identifying origin and extent of ovarian cancer before primary debulking surgery. However, the International Federation of Gynecology and Obstetrics staging for ovarian cancer is determined based on surgico-pathological findings. The purpose of this study is to determine ... Read more >>

Jpn J Clin Oncol (Japanese journal of clinical oncology)
[2021, 51(2):205-212]

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Diagnosing uterine cervical cancer on a single T2-weighted image: Comparison between deep learning versus radiologists.

Aiko Urushibara, Tsukasa Saida, Kensaku Mori, Toshitaka Ishiguro, Masafumi Sakai, Souta Masuoka, Toyomi Satoh, Tomohiko Masumoto,

<h4>Purpose</h4>To compare deep learning with radiologists when diagnosing uterine cervical cancer on a single T2-weighted image.<h4>Methods</h4>This study included 418 patients (age range, 21-91 years; mean, 50.2 years) who underwent magnetic resonance imaging (MRI) between June 2013 and May 2020. We included 177 patients with pathologically confirmed cervical cancer and 241 ... Read more >>

Eur J Radiol (European journal of radiology)
[2021, 135:109471]

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Lymphadenectomy issues in endometrial cancer.

Yosuke Konno, Hiroshi Asano, Ayumi Shikama, Daisuke Aoki, Michihiro Tanikawa, Akinori Oki, Koji Horie, Akira Mitsuhashi, Akira Kikuchi, Hideki Tokunaga, Yasuhisa Terao, Toyomi Satoh, Kimio Ushijima, Mitsuya Ishikawa, Nobuo Yaegashi, Hidemichi Watari,

<h4>Objectives</h4>This review aims to introduce preoperative scoring systems to predict lymph node metastasis (LNM) and ongoing clinical trials to investigate the therapeutic role of lymphadenectomy for endometrial cancer.<h4>Methods</h4>We summarized previous reports on the preoperative prediction models for LNM and evaluated their validity to omit lymphadenectomy in our recent cohorts. Next, ... Read more >>

J Gynecol Oncol (Journal of gynecologic oncology)
[2021, 32(2):e25]

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Risk Factors for Venous Thromboembolism Induced by Prolonged Bed Rest during Interstitial Brachytherapy for Gynecological Cancer: A Retrospective Study

Keiko Murofushi, Tetsuya Tomita, Kayoko Ohnishi, Kei Nakai, Azusa Akiyama, Tsukasa Saida Sasaki, Toshiyuki Okumura, Katsuyuki Karasawa, Toyomi Satoh, Hideyuki Sakurai,

<h4>Background: </h4> Screening and management of venous thromboembolism (VTE) after surgery is important in preventing sublethal VTE. However, the risk factors for VTE during interstitial brachytherapy (ISBT) remain unknown, and appropriate screening and management strategies are yet to be established. This study therefore aimed to evaluate the risk factors for ... Read more >>

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Malignant Tumor Is the Greatest Risk Factor for Pulmonary Embolism in Hospitalized Patients: A Single-Center Study

Kaoru Fujieda, Akiko Nozue, Akie Watanabe, Keiko Shi, Hiroya Itagaki, Yoshihiko Hosokawa, Keiko Nishida, Nobutaka Tasaka, Toyomi Satoh, Ken Nishide,

<h4>Background: </h4> This study aimed to investigate the background of patients who presented with pulmonary embolism (PE) on contrast-enhanced chest computed tomography (CT) and to explore the risk factors for PE.MethodsThis study included a review of the medical records of all 50,621 patients who were admitted to one community hospital ... Read more >>

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High Levels of Within-Host Variations of Human Papillomavirus 16 E1/E2 Genes in Invasive Cervical Cancer.

Yusuke Hirose, Mayuko Yamaguchi-Naka, Mamiko Onuki, Yuri Tenjimbayashi, Nobutaka Tasaka, Toyomi Satoh, Kohsei Tanaka, Takashi Iwata, Akihiko Sekizawa, Koji Matsumoto, Iwao Kukimoto,

Human papillomavirus type 16 (HPV16) is the most common HPV genotype found in invasive cervical cancer (ICC). Recent comprehensive genomics studies of HPV16 have revealed that a large number of minor nucleotide variations in the viral genome are present in each infected woman; however, it remains unclear whether such within-host ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2020, 11:596334]

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Carcinosarcoma of the ovary: MR and clinical findings compared with high-grade serous carcinoma.

Tsukasa Saida, Kensaku Mori, Yumiko Oishi Tanaka, Masafumi Sakai, Taishi Amano, Shunsuke Kikuchi, Souta Masuoka, Miki Yoshida, Tomohiko Masumoto, Toyomi Satoh, Manabu Minami,

<h4>Purpose</h4>To clarify imaging and clinical characteristics of ovarian carcinosarcoma (CS) compared with high-grade serous carcinoma (HGSC).<h4>Methods</h4>We retrospectively reviewed MR imagings of 12 patients with CS and 30 patients with HGSC and evaluated tumor size, shape, appearance, nature of cystic and solid components, hemorrhage, and necrosis. Age, premenopausal or postmenopausal, histologic ... Read more >>

Jpn J Radiol (Japanese journal of radiology)
[2021, 39(4):357-366]

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Poor uterine contractility and postpartum hemorrhage among low-risk women: A case-control study of a large-scale database from Japan.

Keiko Nishida, Toshimi Sairenchi, Koji Uchiyama, Yasuo Haruyama, Mariko Watanabe, Hiromi Hamada, Toyomi Satoh, Susumu Miyashita, Ichio Fukasawa, Gen Kobashi,

<h4>Objective</h4>To examine the association between the risk of postpartum hemorrhage (PPH) and poor uterine contractility, which is suggested by the characteristics of labor.<h4>Methods</h4>This case-control study used cases recorded in the Japan Perinatal Registry database during the period 2013-2016. After exclusion of women with specified known risk factors for PPH, we ... Read more >>

Int J Gynaecol Obstet (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics)
[2020, :]

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Impact of clean intermittent catheterization on quality of life of patients with neurogenic lower urinary tract dysfunction due to radical hysterectomy: A cross-sectional study.

Noritoshi Sekido, Ei-Ichiro Takaoka, Hiroyuki Nishiyama, Hiroyuki Ochi, Toyomi Satoh,

<h4>Aims</h4>We investigated the quality of life (QOL) of a homogenous group of ambulant patients with neurogenic lower urinary tract dysfunction without significant comorbidities to elucidate the impact of clean intermittent catheterization (CIC) on QOL.<h4>Methods</h4>The subjects were 71 female patients who underwent radical hysterectomy (RH) without recurrent disease. QOL was cross-sectionally ... Read more >>

Low Urin Tract Symptoms (Lower urinary tract symptoms)
[2021, 13(1):168-176]

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Lymphadenectomy for primary ovarian cancer: a systematic review and meta-analysis.

Tatsuyuki Chiyoda, Manabu Sakurai, Toyomi Satoh, Satoru Nagase, Mikio Mikami, Hidetaka Katabuchi, Daisuke Aoki,

<h4>Objective</h4>To assess the effectiveness of lymphadenectomy at primary debulking surgery (PDS) on the survival of patients with epithelial ovarian cancer (EOC).<h4>Methods</h4>We searched PubMed, Ichushi, and the Cochrane Library. Randomized controlled trials (RCTs) and retrospective cohort studies comparing survival of women with EOC undergoing lymphadenectomy at PDS with that of women ... Read more >>

J Gynecol Oncol (Journal of gynecologic oncology)
[2020, 31(5):e67]

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Ovarian and non-ovarian teratomas: a wide spectrum of features.

Tsukasa Saida, Kensaku Mori, Tomohiko Masumoto, Sodai Hoshiai, Toshitaka Ishiguro, Masafumi Sakai, Tadashi Hara, Hiroyuki Ochi, Toyomi Satoh, Manabu Minami,

Teratoma is a germ cell tumor (GCT) derived from stem cells of the early embryo and the germ line. Teratoma is the most common neoplasm of the ovaries and is usually diagnosed easily using imagings by detecting fat components. However, there are various histopathological types and the imaging findings differ ... Read more >>

Jpn J Radiol (Japanese journal of radiology)
[2021, 39(2):143-158]

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Pretreatment thrombocytosis as an independent predictive factor for chemoresistance and poor survival in epithelial ovarian cancer.

Sari Nakao, Takeo Minaguchi, Hiroya Itagaki, Yoshihiko Hosokawa, Ayumi Shikama, Nobutaka Tasaka, Azusa Akiyama, Hiroyuki Ochi, Koji Matsumoto, Toyomi Satoh,

<h4>Background</h4>Thrombocytosis is related to tumor stage and survival in ovarian cancer in addition to the common complications of malignant diseases, such as anemia and inflammation. The aim of our study was to clarify the precise prognostic impact of pretreatment thrombocytosis in epithelial ovarian cancer.<h4>Methods</h4>We retrospectively analyzed 280 consecutive patients who ... Read more >>

J Ovarian Res (Journal of ovarian research)
[2020, 13(1):55]

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Molecular epidemiology of human papillomavirus 18 infections in Japanese Women.

Mayuko Yamaguchi-Naka, Mamiko Onuki, Yuri Tenjimbayashi, Yusuke Hirose, Nobutaka Tasaka, Toyomi Satoh, Tohru Morisada, Takashi Iwata, Akihiko Sekizawa, Koji Matsumoto, Iwao Kukimoto,

Among the oncogenic genotypes of human papillomavirus (HPV), HPV18 is the second most common type detected in cervical cancer worldwide and is primarily involved in the generation of cervical adenocarcinoma. Although HPV intra-type variants confer different risks of cervical carcinogenesis, there is little information on the genetic diversity of HPV18 ... Read more >>

Infect Genet Evol (Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases)
[2020, 83:104345]

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Poor Uterine Contractility as Maternal Predisposition to Postpartum Hemorrhage Among Low-Risk Women: An Analysis of Large-Scale Database

Keiko Nishida, Toshimi Sairenchi, Koji Uchiyama, Yasuo Haruyama, Mariko Watanabe, Hiromi Hamada, Toyomi Satoh, Susumu Miyashita, Ichio Fukasawa, Gen Kobashi,

<h4>Background: </h4> Postpartum hemorrhage (PPH) is a major cause of maternal mortality. Even seemingly low-risk women may suddenly develop postpartum hemorrhage, and these cases are often unpredictable and threatens maternal life. We hypothesized that innate poor uterine contractility may be a risk factor of PPH. In this study, we examined ... Read more >>

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Pretreatment Thrombocytosis as an Independent Predictive Factor for Chemoresistance and Poor Survival in Epithelial Ovarian Cancer

Sari Nakao, Takeo Minaguchi, Hiroya Itagaki, Yoshihiko Hosokawa, Ayumi Shikama, Nobutaka Tasaka, Azusa Akiyama, Hiroyuki Ochi, Koji Matsumoto, Toyomi Satoh,

<h4>Background: </h4> Thrombocytosis is related to tumor stage and survival in ovarian cancer in addition to the common complications of malignant diseases, such as anemia and inflammation. The aim of our study was to clarify the precise prognostic impact of pretreatment thrombocytosis in epithelial ovarian cancer. Methods We retrospectively analyzed ... Read more >>

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Ovarian metastases from ileum cancer in a patient with germline EPCAM gene deletion successfully treated with surgical resection and CAPOX chemotherapy: a case report.

Narushi Iwata, Ayumi Shikama, Wataru Takao, Yoshihiko Hosokawa, Hiroya Itagaki, Nobutaka Tasaka, Azusa Akiyama, Hiroyuki Ochi, Takeo Minaguchi, Miwa Arita, Emiko Noguchi, Toshikazu Moriwaki, Toyomi Satoh,

BACKGROUND:Despite recent findings that epithelial cell adhesion molecule (EPCAM) deletions can cause Lynch syndrome (LS), its clinical characteristics are still unknown. We present the first case of ileum cancer in a patient with germline EPCAM gene deletion, which was discovered during ovarian tumor surgery. CASE PRESENTATION:A 59-year-old woman presented with ... Read more >>

BMC Med Genet (BMC medical genetics)
[2020, 21(1):76]

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Comparison of survival between primary debulking surgery and neoadjuvant chemotherapy for stage III/IV ovarian, tubal and peritoneal cancers in phase III randomised trial.

Takashi Onda, Toyomi Satoh, Gakuto Ogawa, Toshiaki Saito, Takahiro Kasamatsu, Toru Nakanishi, Tomonori Mizutani, Kazuhiro Takehara, Aikou Okamoto, Kimio Ushijima, Hiroaki Kobayashi, Kei Kawana, Harushige Yokota, Masashi Takano, Hiroyuki Kanao, Yoh Watanabe, Kaichiro Yamamoto, Nobuo Yaegashi, Toshiharu Kamura, Hiroyuki Yoshikawa, ,

BACKGROUND:Regarding the comparison between primary debulking surgery (PDS) and neoadjuvant chemotherapy (NACT) for stage III/IV ovarian, tubal and peritoneal cancers, EORTC55971 and CHORUS studies demonstrated noninferiority of NACT. Previously, we reported reduced invasiveness of NACT in JCOG0602. This is a final analysis including the primary endpoint of overall survival (OS). METHODS:Patients ... Read more >>

Eur J Cancer (European journal of cancer (Oxford, England : 1990))
[2020, 130:114-125]

Cited: 12 times

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Prevalence of venous thromboembolism at pretreatment screening and associated risk factors in 2086 patients with gynecological cancer.

Nobutaka Tasaka, Takeo Minaguchi, Yoshihiko Hosokawa, Wataru Takao, Hiroya Itagaki, Keiko Nishida, Azusa Akiyama, Ayumi Shikama, Hiroyuki Ochi, Toyomi Satoh,

<h4>Aim</h4>Postoperative pulmonary embolism can be a fatal surgical complication and is thought to occur secondary to asymptomatic venous thromboembolism (VTE) that exists preoperatively in some patients. The purpose of this study was to clarify the frequency and risk factors of pretreatment VTE in gynecological cancer patients.<h4>Methods</h4>This study investigated 2086 patients ... Read more >>

J Obstet Gynaecol Res (The journal of obstetrics and gynaecology research)
[2020, 46(5):765-773]

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PD-L1 and CD4 are independent prognostic factors for overall survival in endometrial carcinomas.

Shuang Zhang, Takeo Minaguchi, Chenyang Xu, Nan Qi, Hiroya Itagaki, Ayumi Shikama, Nobutaka Tasaka, Azusa Akiyama, Manabu Sakurai, Hiroyuki Ochi, Toyomi Satoh,

BACKGROUND:Tumor microenvironment (TME) including the immune checkpoint system impacts prognosis in some types of malignancy. The aim of our study was to investigate the precise prognostic significance of the TME profile in endometrial carcinoma. METHODS:We performed immunohistochemistry of the TME proteins, PD-L1, PD-1, CD4, CD8, CD68, and VEGF in endometrial ... Read more >>

BMC Cancer (BMC cancer)
[2020, 20(1):127]

Cited: 2 times

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Olaparib plus Bevacizumab as First-Line Maintenance in Ovarian Cancer.

Isabelle Ray-Coquard, Patricia Pautier, Sandro Pignata, David Pérol, Antonio González-Martín, Regina Berger, Keiichi Fujiwara, Ignace Vergote, Nicoletta Colombo, Johanna Mäenpää, Frédéric Selle, Jalid Sehouli, Domenica Lorusso, Eva M Guerra Alía, Alexander Reinthaller, Shoji Nagao, Claudia Lefeuvre-Plesse, Ulrich Canzler, Giovanni Scambia, Alain Lortholary, Frederik Marmé, Pierre Combe, Nikolaus de Gregorio, Manuel Rodrigues, Paul Buderath, Coraline Dubot, Alexander Burges, Benoît You, Eric Pujade-Lauraine, Philipp Harter, ,

<h4>Background</h4>Olaparib has shown significant clinical benefit as maintenance therapy in women with newly diagnosed advanced ovarian cancer with a <i>BRCA</i> mutation. The effect of combining maintenance olaparib and bevacizumab in patients regardless of <i>BRCA</i> mutation status is unknown.<h4>Methods</h4>We conducted a randomized, double-blind, international phase 3 trial. Eligible patients had newly ... Read more >>

N Engl J Med (The New England journal of medicine)
[2019, 381(25):2416-2428]

Cited: 78 times

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Safety and efficacy of mucosal immunotherapy using human papillomavirus (HPV) type 16 E7-expressing Lactobacillus-based vaccine for the treatment of high-grade squamous intraepithelial lesion (HSIL): the study protocol of a randomized placebo-controlled clinical trial (MILACLE study).

Yuji Ikeda, Yukari Uemura, Mikiko Asai-Sato, Takehiro Nakao, Takahiro Nakajima, Takashi Iwata, Azusa Akiyama, Toyomi Satoh, Hideaki Yahata, Kiyoko Kato, Daichi Maeda, Daisuke Aoki, Kei Kawana,

We developed an HPV16 E7-expressing Lactobacillus-based therapeutic vaccine, IGMKK16E7, to elicit mucosal E7-specific TH1 cellular immune responses. This study aims to examine the safety and clinical efficacy of IGMKK16E7 on HPV16-positive high-grade squamous intraepithelial lesion (HSIL). This is a multicenter, placebo-controlled, double-blind randomized phase I/II trial to test the safety ... Read more >>

Jpn J Clin Oncol (Japanese journal of clinical oncology)
[2019, 49(9):877-880]

Cited: 2 times

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Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma.

Azusa Akiyama, Takeo Minaguchi, Kaoru Fujieda, Yoshihiko Hosokawa, Keiko Nishida, Ayumi Shikama, Nobutaka Tasaka, Manabu Sakurai, Hiroyuki Ochi, Toyomi Satoh,

Type II endometrial carcinoma mainly originates from p53 aberration. However, the detailed prognostic significance of p53 aberration in endometrial carcinoma remains to be clarified. In the present study, abnormal p53 accumulation was analyzed using immunohistochemical techniques in endometrial carcinoma samples derived from 221 consecutive patients. The expression levels of p53 ... Read more >>

Oncol Lett (Oncology letters)
[2019, 18(6):5952-5958]

Cited: 2 times

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Predictors of favorable survival after secondary cytoreductive surgery for recurrent endometrial cancer.

Ayumi Shikama, Takeo Minaguchi, Wataru Takao, Yoshihiko Hosokawa, Keiko Nishida, Nobutaka Tasaka, Azusa Akiyama, Manabu Sakurai, Hiroyuki Ochi, Toyomi Satoh,

<h4>Objective</h4>The selection criteria for secondary cytoreductive surgery (SCS) for recurrent endometrial cancer (EC) remain to be defined. The present study aimed to identify predictors for favorable survival after SCS for the disease.<h4>Methods</h4>We retrospectively reviewed the medical records of 112 patients who relapsed by 2016 among 1052 who were diagnosed with ... Read more >>

Int J Clin Oncol (International journal of clinical oncology)
[2019, 24(10):1256-1263]

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Whole-Genome Analysis of Human Papillomavirus Type 16 Prevalent in Japanese Women with or without Cervical Lesions.

Yusuke Hirose, Mamiko Onuki, Yuri Tenjimbayashi, Mayuko Yamaguchi-Naka, Seiichiro Mori, Nobutaka Tasaka, Toyomi Satoh, Tohru Morisada, Takashi Iwata, Tohru Kiyono, Takashi Mimura, Akihiko Sekizawa, Koji Matsumoto, Iwao Kukimoto,

Recent large-scale genomics studies of human papillomaviruses (HPVs) have shown a high level of genomic variability of HPV16, the most prevalent genotype in HPV-associated malignancies, and provided new insights into the biological and clinical relevance of its genetic variations in cervical cancer development. Here, we performed deep sequencing analyses of ... Read more >>

Viruses (Viruses)
[2019, 11(4):]

Cited: 1 time

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