Department of Obstetrics & Gynecology, Gifu Prefectural General Medical Center, Gifu City, Japan - Articles

Follow-Up of HPV Clearance after LEEP Conization and Vaporization for CIN2⁺, and Vaporization for VaIN2 (Articles)

Kenji Niwa, Saki Tsurue, Rui Kyogoku, Masanori Isobe, Yoh Hayasaki, Sakae Mori, Keigo Kuwabara, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.15 No.3，July 8, 2025

DOI: 10.4236/ojpathology.2025.153013 3 Downloads 25 Views Citations
Umbilical Endometriosis without Pelvic Surgery (Articles)

Kenji Niwa, Yusuke Mizuno, Ryuichiro Yano, Yoko Ueda, Nozomi Narikawa, Takuji Tanaka

Open Journal of Pathology Vol.4 No.4，October 10, 2014

DOI: 10.4236/ojpathology.2014.44022 2,935 Downloads 3,848 Views Citations
Case Report: A Laparoscopic Treated Case of Deep Infiltrating Endometriosis with Vaginal Invasion Diagnosed by Vaginal Cytology (Articles)

Kenji Niwa, Ryuichiro Yano, Yui Hatanaka, Sakae Mori, Yoshio Yamaguchi, Minako Mori, Yoko Ueda, Takuji Tanaka

Open Journal of Pathology Vol.5 No.3，July 9, 2015

DOI: 10.4236/ojpathology.2015.53012 4,376 Downloads 5,670 Views Citations
Signs of Aneurysm Formation Learned from Rubber Balloon Inflation (Articles)

Fumio Nogata, Yasunari Yokota, Yoko Kawamura, Hiroyuki Morita, Yoshihiro Uno, William R. Walsh, Takahiko Kawamura, Nigishi Hotta, Kenji Kagechika

Journal of Biosciences and Medicines Vol.12 No.11，November 28, 2024

DOI: 10.4236/jbm.2024.1211042 37 Downloads 183 Views Citations
Primary Fallopian Tube Adenocarcinoma Discovered with the Vaginal Cytology: A Case Report with Pathological and Immunohistochemical Investigation (Case Report)

Tomoko Honda, Yuka Hiraku, Ryogo Aoki, Kenji Niwa, Naoki Watanabe, Takuji Tanaka

Open Journal of Pathology Vol.8 No.3，July 13, 2018

DOI: 10.4236/ojpathology.2018.83010 1,225 Downloads 2,577 Views Citations
Occurrence of myelodysplastic syndrome during paclitaxel- and carboplatin-based chemotherapy for recurrent ovarian cancer: Case report (Articles)

Hiroshi Takagi, Satoshi Ichigo, Kazutoshi Matsunami, Haruna Takagi, Tsuneko Ikeda, Takayuki Murase, Atsushi Imai

Open Journal of Obstetrics and Gynecology Vol.3 No.2，March 13, 2013

DOI: 10.4236/ojog.2013.32043 4,980 Downloads 7,594 Views Citations
Primary Urethral Malignant Melanoma in an Elder Woman Diagnosed by Urine Cytology (Case Report)

Kenji Niwa, Tsuneo Ishihara, Sakae Mori, Keigo Kuwabara, Saki Murase, Motoki Takenaka, Yoshio Yamaguchi, Takuji Tanaka

Open Journal of Pathology Vol.10 No.1，December 31, 2019

DOI: 10.4236/ojpathology.2020.101002 652 Downloads 1,695 Views Citations
Conservative Medroxyprogesterone Acetate Therapy in Early Stage of Endometrial Carcinoma Associated with Phosphatase and Tensin Homolog Expression (Articles)

Kenji Niwa, Minako Mori, Tatsuhiko Miyazaki, Takuji Tanaka, Ken-Ichiro Morishige

Open Journal of Pathology Vol.7 No.1，December 8, 2016

DOI: 10.4236/ojpathology.2017.71001 1,551 Downloads 2,668 Views Citations
Correspondence: Newer oral rehydration solution OS-1 for emesis gravidarum (Articles)

Atsushi Imai, Kazutoshi Matsunami, Hiroshi Takagi, Satoshi Ichigo

Health Vol.4 No.5，May 24, 2012

DOI: 10.4236/health.2012.45045 4,234 Downloads 7,014 Views Citations
Lower Incidence of Positive Gynecological Cancers in Examinees of a Unique Health Check-Up Institute, Ningen Dock in Japan, 2011-2016 (Articles)

Chinatsu Koiwai, Satoshi Ichigo, Hiroshi Takagi, Hiroyuki Kajikawa, Atsushi Imai

Open Journal of Obstetrics and Gynecology Vol.7 No.5，May 25, 2017

DOI: 10.4236/ojog.2017.75057 1,223 Downloads 1,964 Views Citations
Cytology and Genetic Analysis of Liver Echinococcosis in a Woman Came from Bolivia (Articles)

Naoki Futamra, Kenji Niwa, Masato Ohta, Sakae Mori, Ayumi Hara, Yuzo Niwa, Yoshifumi Katagiri, Takuji Tanaka, Kentaro Nakamoto

Case Reports in Clinical Medicine Vol.11 No.9，September 22, 2022

DOI: 10.4236/crcm.2022.119056 160 Downloads 689 Views Citations
Primary Small Cell Neuroendocrine Carcinoma of the Endometrium: A Cytologically Diagnosed Case with Immunocytochemical, Immunohistochemical, and Electron Microscopic Features (Articles)

Kentaro Nagata, Kenji Niwa, Sakae Mori, Keigo Kuwabara, Motoki Takenaka, Yoshio Yamaguchi, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.10 No.4，September 14, 2020

DOI: 10.4236/ojpathology.2020.104011 702 Downloads 2,757 Views Citations
Biomechanical Considerations in the Unruptured Cerebral Aneurysm Study (UCAS Japan): Rupture Risk and True Stress of Wall (Articles)

Fumio Nogata, Yasunari Yokota, Yoko Kawamura, Hiroyuki Morita, Yoshiyuki Uno, Tetsuya Mouri, William R. Walsh, Takakahiko Kawamura, Nigishi Hotta, Kenji Kagechika

Journal of Biosciences and Medicines Vol.9 No.10，October 27, 2021

DOI: 10.4236/jbm.2021.910015 227 Downloads 1,465 Views Citations
Asymptomatic Anisakiasis of the Colon Diagnosed and Treated by Colonoscopy (Articles)

Tomoshi Takeda, Kenji Niwa, Akie Sano, Atsunori Kodama, Kuninori Hatasa, Yasunari Matsuno, Masao Kagami, Motoki Takenaka, Kohjiro Niwa, Takuji Tanaka

Case Reports in Clinical Medicine Vol.9 No.9，September 21, 2020

DOI: 10.4236/crcm.2020.99041 551 Downloads 1,883 Views Citations
Primary Ovarian Carcinosarcoma: Cytological, Pathological, Immunocytochemical, and Immunohistochemical Features (Articles)

Kenji Niwa, Sakae Mori, Keigo Kuwabara, Kentaro Nagata, Motoki Takenaka, Tomomi Shiga, Yoshio Yamaguchi, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.11 No.1，January 21, 2021

DOI: 10.4236/ojpathology.2021.111003 660 Downloads 1,901 Views Citations
Ectopic Hormone Production from Ovarian Tumor: A Review (Articles)

Masashi Hori, Hiroshi Takagi, Kazutoshi Matsunami, Satoshi Ichigo, Atsushi Imai

Open Journal of Obstetrics and Gynecology Vol.6 No.4，March 28, 2016

DOI: 10.4236/ojog.2016.64032 2,382 Downloads 3,811 Views Citations
Primary Endometrial High Grade Neuroendocrine Carcinoma: A Case Report with Cytological, Histopathological and Immunohistochemical Features (Articles)

Kazuhiro Kobayashi, Masashi Matsuyama, Fumimasa Etori, Naomi Kawaguchi, Kyoko Nambu, Asuka Sekiya, Yuka Hiraku, Kazushige Yamamoto, Naoki Watanabe, Tetsuya Yamada, Takuji Tanaka

Open Journal of Pathology Vol.5 No.1，January 9, 2015

DOI: 10.4236/ojpathology.2015.51001 4,366 Downloads 5,613 Views Citations
Congenital Dysfibrinogenemia Presented with Massive Hematomas Formed after Hysterectomy (Articles)

Kenji Niwa, Kentaro Nagata, Takefumi Nakagami, Ryuichiro Shimaoka, Kentaro Niwa, Motoki Takenaka, Takuji Tanaka, Nobuo Okumura

Case Reports in Clinical Medicine Vol.10 No.4，April 22, 2021

DOI: 10.4236/crcm.2021.104013 377 Downloads 1,207 Views Citations
Primary Serous Cystadenocarcinoma of Broad Ligament: A Case Report with Laparoscopic, Histopathologic and Immunohistochemical Findings (Articles)

Kenji Niwa, Motoki Takenaka, Takeaki Saitake, Tiger Koike, Kentaro Nagata, Kentaro Niwa, Kohjiro Niwa, Sakae Mori, Keigo Kuwabara, Akane Onogi, Takuji Tanaka

Open Journal of Pathology Vol.12 No.1，December 13, 2021

DOI: 10.4236/ojpathology.2022.121003 233 Downloads 1,448 Views Citations
Development of a Nursing Protocol for Hospitalized Patients with Reduced Cognitive Function in the Process of Recovery from Acute Exacerbation of Chronic Heart Failure (Articles)

Haruka Otsu, Tsukiko Narasaki, Ayumi Kamura, Kyoko Maeda, Tomoko Sumiwaka, Tomie Uno, Misato Takamori, Toshimichi Wada

Health Vol.10 No.7，July 4, 2018

DOI: 10.4236/health.2018.107065 992 Downloads 3,090 Views Citations

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