Kentaro Niwa - Articles - Scientific Research Publishing

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 877 Downloads 3,403 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 516 Downloads 1,617 Views Citations
An Extremely Rare Torsion Case of Ovarian Yolk Sac Tumor in Postmenopausal Woman (Articles)

Kenji Niwa, Saki Tsurue, Yuzo Niwa, Yoh Hayasaki, Sakae Mori, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.16 No.3, April 29, 2026

DOI: 10.4236/ojpathology.2026.163016 38 Downloads 246 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 800 Downloads 2,483 Views Citations
Endometrial Hyperplasia with Conservative Treatment Using the Progestin or EP Agents, Compared to Cases that Worsen during Observation (Articles)

Kenji Niwa, Saki Tsurue, Kentaro Niwa, Yoh Hayasaki, Masanori Isobe, Takuji Tanaka

Open Journal of Pathology Vol.16 No.1, January 4, 2026

DOI: 10.4236/ojpathology.2026.161007 75 Downloads 468 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 355 Downloads 2,134 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 258 Downloads 1,089 Views Citations
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 108 Downloads 3,182 Views Citations
Extensive Subcutaneous Emphysema and Ventilatory Failure during Gynecologic Laparoscopic Surgery: A Case Report (Articles)

Kentaro Niwa, Kenji Niwa, Hirokazu Yamada, Yuzu Iwakaki, Yusuke Amaya, Sayaka Fujiwara, Hideaki Tsuyoshi, Makoto Orisaka, Yoshio Yoshida

Case Reports in Clinical Medicine Vol.14 No.7, July 16, 2025

DOI: 10.4236/crcm.2025.147044 104 Downloads 681 Views Citations
Attention-Deficit/Hyperactivity Disorder in Adults with High-Functioning Pervasive Developmental Disorders in Japan (Articles)

Yasuko Takanashi, Hirobumi Mashiko, Hirohide Yokokawa, Yoko Kawasaki, Shuntaro Itagaki, Hiromichi Ishikawa, Norihiro Miyashita, Yasuaki Hayashi, Asako Kudo, Kentaro Oga, Rieko Matsuura, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.4 No.4, October 22, 2014

DOI: 10.4236/ojpsych.2014.44043 3,951 Downloads 6,277 Views Citations
Uncertainty in a Measurement of Density Dependence on Population Fluctuations (Articles)

Hiro-Sato Niwa

Applied Mathematics Vol.5 No.8, April 29, 2014

DOI: 10.4236/am.2014.58104 4,954 Downloads 6,836 Views Citations
Effects of Curing Conditions and Formulations on Residual Monomer Contents and Temperature Increase of a Model UV Gel Nail Formulation (Articles)

Kentaro Taki, Tomomi Nakamura

Journal of Cosmetics, Dermatological Sciences and Applications Vol.1 No.4, December 1, 2011

DOI: 10.4236/jcdsa.2011.14017 7,888 Downloads 14,675 Views Citations
Allergic Contact Dermatitis Syndrome Due to Tocopherol Acetate, in Addition to Glycyrrhetinic Acid (Articles)

Kentaro Ohko, Akiko Ito, Masaaki Ito

Journal of Cosmetics, Dermatological Sciences and Applications Vol.2 No.1, March 28, 2012

DOI: 10.4236/jcdsa.2012.21009 14,554 Downloads 28,733 Views Citations
How Emotional Context Influences Facial Preferences and Impressions (Articles)

Satomi Hara, Kentaro Katahira, Kazuo Okanoya

Psychology Vol.4 No.10, October 12, 2013

DOI: 10.4236/psych.2013.410107 4,553 Downloads 7,104 Views Citations
The Synergistic Antibacterial Performance of a Cu/WO₃-Added PTFE Particulate Superhydrophobic Composite Material (Articles)

Kentaro Yamauchi, Tsuyoshi Ochiai, Goro Yamauchi

Journal of Biomaterials and Nanobiotechnology Vol.6 No.1, January 6, 2015

DOI: 10.4236/jbnb.2015.61001 4,757 Downloads 6,135 Views Citations
Malnutrition Assessed Using the Geriatric Nutritional Risk Index Is Associated with Preoperative Incidence of Deep Vein Thrombosis in Japanese Patients Undergoing Total Knee Arthroplasty (Articles)

Taizo Kaneko, Kentaro Hayakawa, Tsuyoshi Miyazaki

Open Journal of Orthopedics Vol.14 No.8, August 8, 2024

DOI: 10.4236/ojo.2024.148030 175 Downloads 747 Views Citations
Efficacy of Cognitive Remediation in Schizophrenia: A Short Review of Its Variable Effects According to Cognitive Domain (Articles)

Akihiko Katsumi, Hiroshi Hoshino, Satoshi Fujimoto, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.5 No.2, March 30, 2015

DOI: 10.4236/ojpsych.2015.52019 4,492 Downloads 6,424 Views Citations
Introduction of Music Therapy Incorporated into Cognitive Remediation: A New Approach to Cognitive Dysfunction in Psychiatric Disorders and a Preliminary Report on Its Effects in Schizophrenia (Articles)

Naoko Kosugi, Chiaki Oshiyama, Naoki Kodama, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.9 No.1, January 18, 2019

DOI: 10.4236/ojpsych.2019.91003 1,799 Downloads 4,047 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 723 Downloads 2,745 Views Citations
Synthesis and Evaluation of Calcium-Deficient Hydroxyapatite with SiO₂ (Articles)

Atsushi Nakahira, Kentaro Nakata, Chiya Numako, Hidenobu Murata, Katsuyuki Matsunaga

Materials Sciences and Applications Vol.2 No.9, September 20, 2011

DOI: 10.4236/msa.2011.29161 6,923 Downloads 11,779 Views Citations

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