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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
572
Downloads
2,114
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
292
Downloads
899
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
421
Downloads
1,456
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
543
Downloads
1,492
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
107
Downloads
473
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
157
Downloads
1,015
Views
Citations
Proliferative Brenner Tumor with Borderline Mucinous Cystadenocarcinoma of the Ovary in a 75-Year-Old Woman
(Articles)
Kenji
Niwa
,
Hiroshi Makino
,
Yoshio Yamaguchi
,
Sakae Mori
,
Nozomi Narikawa
,
Takuji Tanaka
Open Journal of Pathology
Vol.4 No.2
,April 22, 2014
DOI:
10.4236/ojpathology.2014.42008
4,417
Downloads
5,733
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
2,865
Downloads
3,579
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
4,316
Downloads
5,241
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
1,461
Downloads
2,385
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
1,143
Downloads
2,105
Views
Citations
A Case of Struma Ovarii Diagnosed by Cytology during Laparoscopic Surgery
(Case Report)
Kenji
Niwa
,
Motoki Takenaka
,
Tsuneo Ishihara
,
Sakae Mori
,
Keigo Kuwabara
,
Saki Murase
,
Yoshio Yamaguchi
,
Takuji Tanaka
Open Journal of Pathology
Vol.9 No.1
,December 17, 2018
DOI:
10.4236/ojpathology.2019.91001
1,176
Downloads
2,179
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
563
Downloads
1,412
Views
Citations
A Case of Serous Tubal Intraepithelial Carcinoma Diagnosed by Cytology during the Operation
(Case Report)
Kenji
Niwa
,
Tsuneo Ishihara
,
Yoko Ueda
,
Motoki Takenaka
,
Tomomi Shiga
,
Sakae Mori
,
Keigo Kuwabara
,
Yoshio Yamaguchi
,
Takuji Tanaka
Open Journal of Pathology
Vol.8 No.3
,June 27, 2018
DOI:
10.4236/ojpathology.2018.83008
1,223
Downloads
2,250
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
4,732
Downloads
6,173
Views
Citations
Evolution from Primitive Life to Homo sapiens Based on Visible Genome Structures: The Amino Acid World
(Articles)
Kenji
Sorimachi
Natural Science
Vol.1 No.2
,September 28, 2009
DOI:
10.4236/ns.2009.12013
6,755
Downloads
12,592
Views
Citations
Genomic data provides simple evidence for a single origin of life
(Articles)
Kenji
Sorimachi
Natural Science
Vol.2 No.5
,June 2, 2010
DOI:
10.4236/ns.2010.25065
5,928
Downloads
11,172
Views
Citations
Codon evolution in double-stranded organelle DNA: strong regulation of homonucleotides and their analog alternations
(Articles)
Kenji
Sorimachi
Natural Science
Vol.2 No.8
,August 25, 2010
DOI:
10.4236/ns.2010.28106
5,226
Downloads
8,932
Views
Citations
Evolution based on genome structure: the “diagonal genome universe”
(Articles)
Kenji
Sorimachi
Natural Science
Vol.2 No.10
,October 29, 2010
DOI:
10.4236/ns.2010.210137
6,505
Downloads
12,055
Views
Citations
A Comment on Reis
(Articles)
Kenji
Miyazaki
Theoretical Economics Letters
Vol.1 No.3
,November 3, 2011
DOI:
10.4236/tel.2011.13019
5,696
Downloads
9,786
Views
Citations
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