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K. Umayahara · SciRah

Researcher profile · Semantic Scholar

K. Umayahara

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K. Umayahara — researcher profile on SciRah

h-index: 17
Works: 71
Citations: 1,091

Most-cited papers

Phase II study of concurrent chemoradiotherapy with high-dose-rate intracavitary brachytherapy in patients with locally advanced uterine cervical cancer: efficacy and toxicity of a low cumulative radiation dose schedule.
T. Toita, R. Kitagawa, T. Hamano, K. Umayahara +5 more
2012Gynecologic Oncology115 citations
Semantic Scholar
Lymph node metastasis in ovarian cancer: difference between serous and non-serous primary tumors.
N. Takeshima, Y. Hirai, K. Umayahara, K. Fujiwara +2 more
2005Gynecologic Oncology108 citations
Semantic Scholar
Comparative genomic hybridization detects genetic alterations during early stages of cervical cancer progression
K. Umayahara, F. Numa, Y. Suehiro, A. Sakata +6 more
2002Genes, Chromosomes and Cancer105 citations
Semantic Scholar
Treatment results of adjuvant chemotherapy after radical hysterectomy for intermediate- and high-risk stage IB-IIA cervical cancer.
N. Takeshima, K. Umayahara, K. Fujiwara, Y. Hirai +2 more
2006Gynecologic Oncology80 citations
Semantic Scholar
Genetic Aberrations Detected by Comparative Genomic Hybridization in Ovarian Clear Cell Adenocarcinomas
Y. Suehiro, M. Sakamoto, K. Umayahara, H. Iwabuchi +12 more
2000Oncology72 citations
Semantic Scholar
Genetic aberrations detected by comparative genomic hybridization predict outcome in patients with endometrioid carcinoma
Y. Suehiro, K. Umayahara, H. Ogata, F. Numa +6 more
2000Genes, Chromosomes and Cancer61 citations
Semantic Scholar
Parametrial Involvement in FIGO Stage IB1 Cervical Carcinoma: Diagnostic Impact of Tumor Diameter in Preoperative Magnetic Resonance Imaging
T. Kamimori, Kimihiko Sakamoto, K. Fujiwara, K. Umayahara +6 more
2010International Journal of Gynecologic Cancer52 citations Open access
Semantic Scholar
Changes in telomerase activity in experimentally induced atretic follicles of immature rats.
Y. Yamagata, Yasuhiko Nakamura, K. Umayahara, A. Harada +3 more
2002Endocrine journal51 citations Open access
Semantic Scholar
Syndecan-1 expression in cancer of the uterine cervix: association with lymph node metastasis.
F. Numa, K. Hirabayashi, K. Kawasaki, Y. Sakaguchi +8 more
2002International Journal of Oncology51 citations
Semantic Scholar
[Photodynamic therapy (PDT) for early cervical cancer].
T. Muroya, Y. Suehiro, K. Umayahara, T. Akiya +5 more
1996Gan to kagaku ryoho. Cancer & chemotherapy43 citations
Semantic Scholar
Neoadjuvant chemotherapy followed by radical hysterectomy plus postoperative chemotherapy but no radiotherapy for Stage IB2-IIB cervical cancer--irinotecan and platinum chemotherapy.
M. Matsumura, N. Takeshima, T. Ota, K. Omatsu +6 more
2010Gynecologic Oncology42 citations
Semantic Scholar
Evaluation of the Reliability of Chromosomal Imbalances Detected by Combined Use of Universal DNA Amplification and Comparative Genomic Hybridization
T. Harada, Kei Shiraishi, Noriyoshi Kusano, K. Umayahara +3 more
2000Japanese journal of cancer research : Gann22 citations Open access
Semantic Scholar
Tissue factor-induced fibrinogenesis mediates cancer cell clustering and multiclonal peritoneal metastasis.
Makoto Miyazaki, Ayaka Nakabo, Yoshiko Nagano, Y. Nagamura +9 more
2022Cancer Letters21 citations Open access
Semantic Scholar
Review of Treatment and Prognosis of Stage IVB Cervical Carcinoma
T. Usami, Akimasa Takahashi, M. Matoda, S. Okamoto +4 more
2016International Journal of Gynecologic Cancer20 citations Open access
Semantic Scholar
Clinical Characteristics of Non–Squamous Cell Carcinoma of the Vagina
Hidetaka Nomura, M. Matoda, S. Okamoto, K. Omatsu +4 more
2015International Journal of Gynecologic Cancer20 citations Open access
Semantic Scholar
Prognosis for Endometrial Cancer Patients Treated With Systematic Pelvic and Para-Aortic Lymphadenectomy Followed by Platinum-Based Chemotherapy
Kotaro Sueoka, K. Umayahara, A. Abe, T. Usami +8 more
2015International Journal of Gynecologic Cancer17 citations Open access
Semantic Scholar
Platinum-free Interval in Second-line Chemotherapy for Recurrent Cervical Cancer
M. Matoda, Terumi Tanigawa, K. Omatsu, N. Ushioda +6 more
2013International Journal of Gynecologic Cancer17 citations Open access
Semantic Scholar
Feasibility and Acute Toxicity of Concurrent Chemoradiotherapy (CCRT) With High–Dose Rate Intracavitary Brachytherapy (HDR-ICBT) and 40-mg/m2 Weekly Cisplatin for Japanese Patients With Cervical Cancer: Results of a Multi-Institutional Phase 2 Study (JGOG1066)
T. Toita, R. Kitagawa, T. Hamano, K. Umayahara +5 more
2012International Journal of Gynecological Cancer16 citations Open access
Semantic Scholar
Serum Anti-p53 Antibodies in Uterine and Ovarian Cancer: Association with DNA Sequence Copy Number Abnormalities
F. Numa, K. Umayahara, Y. Suehiro, H. Hirakawa +6 more
2001Tumor Biology16 citations
Semantic Scholar
Phase II study of concurrent chemoradiotherapy with weekly cisplatin and paclitaxel in patients with locally advanced uterine cervical cancer: The JACCRO GY-01 trial.
K. Umayahara, M. Takekuma, Y. Hirashima, S. Noda +13 more
2016Gynecologic Oncology15 citations Open access
Semantic Scholar
Resection of the vaginal vault for vaginal recurrence of cervical cancer after hysterectomy and brachytherapy
A. Abe, M. Matoda, S. Okamoto, E. Kondo +5 more
2015World Journal of Surgical Oncology15 citations Open access
Semantic Scholar
Radiotherapy quality assurance of the Japanese Gynecologic Oncology Group study (JGOG1066): a cooperative phase II study of concurrent chemoradiotherapy for uterine cervical cancer
T. Toita, S. Kato, S. Ishikura, K. Tsujino +15 more
2011International Journal of Clinical Oncology14 citations Open access
Semantic Scholar
Importance of platinum-free interval in second-line chemotherapy for advanced or recurrent endometrial cancer.
M. Matoda, K. Omatsu, A. Yamamoto, H. Nomura +5 more
2014European Journal of Gynaecological Oncology12 citations
Semantic Scholar
Phase I Study of Concurrent Chemoradiotherapy With Weekly Cisplatin and Paclitaxel Chemotherapy for Locally Advanced Cervical Carcinoma in Japanese Women
K. Umayahara, N. Takeshima, T. Nose, K. Fujiwara +4 more
2009International Journal of Gynecologic Cancer12 citations Open access
Semantic Scholar
Effectiveness of postoperative chemotherapy for para-aortic lymph node metastasis of endometrial cancer.
N. Takeshima, K. Umayahara, K. Fujiwara, Y. Hirai +2 more
2006Gynecologic Oncology11 citations
Semantic Scholar
11q23-24 loss is associated with chromosomal instability in endometrial cancer.
K. Kawasaki, Y. Suehiro, K. Umayahara, H. Morioka +6 more
2003International Journal of Molecular Medicine7 citations
Semantic Scholar
Electrophoretic analysis of the cleaved form of serpin, squamous cell carcinoma antigen‐1 in normal and malignant squamous epithelial tissues
S. Nawata, Kazuyuki Nakamura, H. Hirakawa, Kotaro Sueoka +7 more
2003Electrophoresis7 citations
Semantic Scholar
New molecular tumor markers for endometrial cancer.
F. Numa, K. Umayahara, Yutaka Suehiro, Y. Suminami +3 more
2001Human Cell7 citations
Semantic Scholar
Development of Fuel Cell (FC) System for New Generation FC Bus
Tomohiro Ogawa, K. Umayahara, Yoshihiro Ikogi
2019SAE technical paper series6 citations
Semantic Scholar
A Case of Ovarian Metastasis from Microinvasive Adenosquamous Carcinoma of the Uterine Cervix
A. Abe, R. Furuta, Y. Takazawa, E. Kondo +2 more
20145 citations
Semantic Scholar
Clinical Study of Sentinel Lymph Node Detection Using Photodynamic Eye for Abdominal Radical Trachelectomy
Naomi Harano, Masaru Sakamoto, Souta Fukushima, Shinnosuke Iwai +10 more
2021Current Oncology4 citations Open access
Semantic Scholar
Vulvar Reconstruction Following Surgery for Vulvar Cancer Using a Stepladder V-Y Advancement Medial Thigh Flap
Hidetaka Nomura, T. Maeda, T. Usami, A. Abe +10 more
2015International Journal of Gynecologic Cancer4 citations Open access
Semantic Scholar
A case of recurrent fallopian tube carcinoma in situ with para-aortic lymph node metastasis
Hidetaka Nomura, A. Abe, A. Yamamoto, M. Matoda +5 more
2013International Cancer Conference Journal4 citations Open access
Semantic Scholar
The treatment of uterine leiomyosarcoma: clinical outcomes of 18 cases and the effectiveness of chemotherapy.
M. Matoda, N. Takeshima, H. Nomura, Miwa Kino +4 more
2011European Journal of Gynaecological Oncology4 citations
Semantic Scholar
De novo uterine sarcoma with good response to neo-adjuvant chemotherapy
F. Numa, K. Umayahara, H. Ogata, S. Nawata +7 more
2003International Journal of Gynecologic Cancer4 citations Open access
Semantic Scholar
Genetic alterations related to lymph node metastasis and peritoneal dissemination in epithelial ovarian cancers.
K. Umayahara, F. Numa, Akiko Inokuma, Kotaro Sueoka +11 more
2002Oncology Report4 citations
Semantic Scholar
Unexpected tumor progression after conization for carcinoma in situ of the uterine cervix
K. Omatsu, N. Takeshima, M. Matoda, Hidetaka Nomura +6 more
2012The journal of obstetrics and gynaecology research3 citations
Semantic Scholar
Effects of weekly bevacizumab and paclitaxel/carboplatin with or without sorafenib on heavily pretreated patients with recurrent or persistent cervical cancer.
Yoshihiro Kikuchi, M. Takano, T. Goto, Hiroko Kouta +6 more
2011Journal of Clinical Oncology3 citations
Semantic Scholar
Electrophoretic characterization of heat‐stable squamous cell carcinoma antigen
S. Nawata, Y. Suminami, H. Hirakawa, A. Murakami +5 more
20013 citations
Semantic Scholar
[Cancer-associated gene abnormalities and chemosensitivity].
M. Sakamoto, K. Umayahara, H. Sakamoto, K. Kawasaki +11 more
1998Gan to kagaku ryoho. Cancer & chemotherapy3 citations
Semantic Scholar
Photodynamic Therapy (PDT) for Early Stage Cervical Cancer
Muroya Tetsuya, Y. Suehiro, T. Kunugi, K. Umayahara +6 more
19973 citations
Semantic Scholar
Superficial spreading squamous cell carcinoma of the uterine cervix involving the endometrium and fallopian tubes
Chikage Narui, Masaru Sakamoto, Souta Fukushima, K. Umayahara +2 more
2022The Journal of the Japanese Society of Clinical Cytology2 citations Open access
Semantic Scholar
Radiation-induced osteosarcoma might mimic metastatic bone lesions: a case with bone scan and FDG PET/CT imaging.
M. Koyama, M. Koizumi, K. Umayahara, N. Takeshima +1 more
2015Clinical Nuclear Medicine2 citations
Semantic Scholar
Impact of multimodal therapy on the survival of patients with newly diagnosed uterine carcinosarcoma.
H. Machida, K. Takahashi, H. Nomura, M. Matoda +4 more
2013European Journal of Gynaecological Oncology2 citations
Semantic Scholar
ATL: Results of a Multi-Institutional Phase 2 Study (JGOG1066)
T. Toita, R. Kitagawa, T. Hamano, K. Umayahara +5 more
2012International Journal of Gynecologic Cancer2 citations Open access
Semantic Scholar
Electrophoretic characterization of heat-stable squamous cell carcinoma antigen.
S. Nawata, Y. Suminami, H. Hirakawa, A. Murakami +5 more
2001Electrophoresis2 citations
Semantic Scholar
Successful laparoscopic diagnosis of tuberculous peritonitis that was mimicking peritoneal carcinomatosis: a case report
Hidetaka Nomura, A. Abe, A. Yamamoto, M. Matoda +4 more
20121 citations Open access
Semantic Scholar
PO-250 CONCURRENT CHEMORADIOTHERAPY WITH HDR INTRACAVITARY BRACHYTHERAPY FOR CERVICAL CANCER: A PHASE II STUDY
T. Toita, R. Kitagawa, T. Hamano, K. Umayahara +5 more
20121 citations
Semantic Scholar
CO2 Laser Vaporization in Gynecology
Kiyohiko Miyake, H. Tanabe, K. Umayahara, Tadao Tanaka +1 more
20170 citations Open access
Semantic Scholar
A case report of benign metastasizing leiomyoma of the lung: FDG-PET-CT findings and the utility of uterine needle biopsy.
A. Yamamoto, T. Usami, E. Kondo, K. Kato +1 more
2016European Journal of Gynaecological Oncology0 citations
Semantic Scholar

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K. Takizawa×15
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K. Omatsu×12
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M. Matoda×12
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F. Numa — researcher profile on SciRah

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K. Kato — researcher profile on SciRah

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S. Nawata — researcher profile on SciRah

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A. Yamamoto — researcher profile on SciRah