Yutaka Koga

760 total citations
50 papers, 470 citations indexed

About

Yutaka Koga is a scholar working on Oncology, Surgery and Epidemiology. According to data from OpenAlex, Yutaka Koga has authored 50 papers receiving a total of 470 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Oncology, 16 papers in Surgery and 10 papers in Epidemiology. Recurrent topics in Yutaka Koga's work include Pancreatic and Hepatic Oncology Research (8 papers), Neuroendocrine Tumor Research Advances (8 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (6 papers). Yutaka Koga is often cited by papers focused on Pancreatic and Hepatic Oncology Research (8 papers), Neuroendocrine Tumor Research Advances (8 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (6 papers). Yutaka Koga collaborates with scholars based in Japan, India and United States. Yutaka Koga's co-authors include Yoshinao Oda, Tetsuo Ikari, S. Shigetomi, Masao Tanaka, Masafumi Nakamura, Atsushi Sugitani, Hiroyuki Ohara, Kazuharu Ienaga, Kazuo Chijiiwa and Masuo Hosokawa and has published in prestigious journals such as SHILAP Revista de lepidopterología, International Journal of Cancer and Life Sciences.

In The Last Decade

Yutaka Koga

48 papers receiving 451 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Yutaka Koga Japan 13 148 133 86 71 68 50 470
Kathy Nguyen United States 10 115 0.8× 50 0.4× 82 1.0× 171 2.4× 30 0.4× 22 819
Judith Lechner Austria 14 158 1.1× 44 0.3× 27 0.3× 200 2.8× 21 0.3× 21 628
Kai Ma China 15 49 0.3× 90 0.7× 59 0.7× 261 3.7× 31 0.5× 50 603
Jia Huang China 14 37 0.3× 89 0.7× 36 0.4× 229 3.2× 49 0.7× 28 562
Adelina Curaj Germany 15 148 1.0× 125 0.9× 50 0.6× 231 3.3× 49 0.7× 30 756
Qingyi Liu China 9 189 1.3× 100 0.8× 32 0.4× 128 1.8× 50 0.7× 24 423
Minghua Ge China 15 186 1.3× 84 0.6× 38 0.4× 270 3.8× 54 0.8× 51 734
Haruki Matsumoto Japan 13 68 0.5× 59 0.4× 23 0.3× 145 2.0× 57 0.8× 75 513
Jack Sharkey United Kingdom 13 41 0.3× 68 0.5× 19 0.2× 240 3.4× 43 0.6× 24 661

Countries citing papers authored by Yutaka Koga

Since Specialization
Citations

This map shows the geographic impact of Yutaka Koga's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Yutaka Koga with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yutaka Koga more than expected).

Fields of papers citing papers by Yutaka Koga

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yutaka Koga. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Yutaka Koga. The network helps show where Yutaka Koga may publish in the future.

Co-authorship network of co-authors of Yutaka Koga

This figure shows the co-authorship network connecting the top 25 collaborators of Yutaka Koga. A scholar is included among the top collaborators of Yutaka Koga based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Yutaka Koga. Yutaka Koga is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Fujimori, Nao, Masatoshi Murakami, Kohei Nakata, et al.. (2024). Pathological complete response with FOLFIRINOX therapy for recurrence of pancreatic acinar cell carcinoma. Clinical Journal of Gastroenterology. 17(4). 776–781. 1 indexed citations
2.
3.
Koga, Yutaka, Yuki Shimada, Yutaka Yamada, et al.. (2023). Clinicopathologic Features and Genetic Alterations in Mixed-Type Ampullary Carcinoma. Modern Pathology. 36(8). 100181–100181. 2 indexed citations
4.
Fujimori, Nao, Yoshitaka Hata, Yosuke Minoda, et al.. (2022). Ampullary Neuroendocrine Neoplasm: Clinicopathological Characteristics and Novel Endoscopic Entity. Digestive Diseases. 41(2). 316–324. 1 indexed citations
5.
Koga, Yutaka, Takeo Yamamoto, Yuki Shimada, et al.. (2022). RNF43 as a predictor of malignant transformation of pancreatic mucinous cystic neoplasm. Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin. 480(6). 1189–1199. 8 indexed citations
6.
Yamamoto, Takeo, Kenichi Kohashi, Yutaka Yamada, et al.. (2021). Relationship between cellular morphology and abnormality of SWI/SNF complex subunits in pancreatic undifferentiated carcinoma. Journal of Cancer Research and Clinical Oncology. 148(11). 2945–2957. 6 indexed citations
7.
Koga, Yutaka, Yoshihiro Ohishi, Yuichi Yamada, et al.. (2021). Prognostic implications of the coexisting precursor lesion types in invasive gallbladder cancer. Human Pathology. 114. 44–53. 19 indexed citations
8.
Miyasaka, Yoshihiro, Yuichi Yamada, Takeo Yamamoto, et al.. (2020). Chronic inflammatory changes and oxidative stress in the background of “pancreatic ductal adenocarcinoma concomitant with intraductal papillary mucinous neoplasm”. Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin. 477(6). 799–806. 3 indexed citations
9.
Shindo, Koji, Kenoki Ohuchida, Taiki Moriyama, et al.. (2020). A rare case of PSA-negative metastasized prostate cancer to the stomach with serum CEA and CA19-9 elevation: a case report. SHILAP Revista de lepidopterología. 6(1). 303–303. 3 indexed citations
10.
Fujimori, Nao, Takamasa Oono, Hisato Igarashi, et al.. (2020). Collision of a pancreatic ductal adenocarcinoma and a pancreatic neuroendocrine tumor associated with multiple endocrine neoplasm type 1. Clinical Journal of Gastroenterology. 14(1). 358–363. 3 indexed citations
11.
Miyasaka, Yoshihiro, Yoshihiro Ohishi, Takeo Yamamoto, et al.. (2018). Intrapancreatic recurrence of intraductal tubulopapillary neoplasm (ITPN) 16 years after the initial surgery for noninvasive ITPN: a case report. SHILAP Revista de lepidopterología. 4(1). 96–96. 7 indexed citations
12.
Nakamura, Katsuya, Haruo Tanaka, Makoto Kubo, et al.. (2015). [Mediastinal Hemangioma with Literature Review;Report of a Case].. PubMed. 68(7). 556–9. 1 indexed citations
13.
Ueki, Takashi, Kinuko Nagayoshi, Yutaka Koga, et al.. (2014). A CpG island methylator phenotype of colorectal cancer that is contiguous with conventional adenomas, but not serrated polyps. Oncology Letters. 8(5). 1937–1944. 13 indexed citations
14.
Hirahashi, Minako, Yutaka Koga, Reiko Kumagai, et al.. (2014). Induced nitric oxide synthetase and peroxiredoxin expression in intramucosal poorly differentiated gastric cancer of young patients. Pathology International. 64(4). 155–163. 12 indexed citations
15.
Koga, Yutaka, et al.. (2009). TWO CASES OF TETANUS. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 70(10). 2941–2944. 1 indexed citations
16.
Masatsugu, Toshihiro, Hiroyuki Yamashita, Shiro Noguchi, et al.. (2005). Thyroid Evaluation in Patients with Primary Hyperparathyroidism. Endocrine Journal. 52(2). 177–182. 20 indexed citations
17.
Koga, Yutaka, et al.. (2005). Complete Extirpation of a Bronchogenic Cyst Causing Recurrent Laryngeal Nerve Palsy by Thoracoscopy: Report of a Case. Surgery Today. 36(1). 79–81. 1 indexed citations
18.
Koga, Yutaka, Koji Yamaguchi, Atsushi Sugitani, Kazuo Chijiiwa, & Masao Tanaka. (2002). Autoimmune pancreatitis starting as a localized form. Journal of Gastroenterology. 37(2). 133–137. 44 indexed citations
19.
20.
Ikari, Tetsuo, et al.. (1988). Carrier Transport Mechanisms of InSe p-n Homojunction. Japanese Journal of Applied Physics. 27(7R). 1271–1271. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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