Junko Fujisaki

7.4k total citations · 2 hit papers
186 papers, 5.2k citations indexed

About

Junko Fujisaki is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Gastroenterology. According to data from OpenAlex, Junko Fujisaki has authored 186 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 153 papers in Pulmonary and Respiratory Medicine, 112 papers in Surgery and 64 papers in Gastroenterology. Recurrent topics in Junko Fujisaki's work include Gastric Cancer Management and Outcomes (134 papers), Metastasis and carcinoma case studies (68 papers) and Gastrointestinal Tumor Research and Treatment (57 papers). Junko Fujisaki is often cited by papers focused on Gastric Cancer Management and Outcomes (134 papers), Metastasis and carcinoma case studies (68 papers) and Gastrointestinal Tumor Research and Treatment (57 papers). Junko Fujisaki collaborates with scholars based in Japan, United States and Greece. Junko Fujisaki's co-authors include Toshiaki Hirasawa, Akiyoshi Ishiyama, Tomohiro Tsuchida, Masahiro Igarashi, Toshiyuki Yoshio, Yorimasa Yamamoto, Yusuke Horiuchi, Tomohiro Tada, Kazuharu Aoyama and Tadakazu Shimoda and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Clinical Endocrinology & Metabolism and Cancer.

In The Last Decade

Junko Fujisaki

172 papers receiving 5.0k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Application of artificial intelligence using a convolutional neural network for detecting gastric cancer in endoscopic images

2018 524 citations Toshiaki Hirasawa, Tsuyoshi Ozawa et al. Gastric Cancer profile →
Diagnostic outcomes of esophageal cancer by artificial intelligence using convolutional neural networks

2018 321 citations Yoshimasa Horie, Toshiyuki Yoshio et al. Gastrointestinal Endoscopy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Junko Fujisaki Japan	35	3.9k	2.5k	1.7k	1.5k	599	186	5.2k
Shiro Oka Japan	43	3.8k 1.0×	3.1k 1.2×	2.3k 1.4×	2.0k 1.3×	341 0.6×	269	6.2k
James Lau Hong Kong	33	1.7k 0.4×	2.5k 1.0×	1.6k 0.9×	1.3k 0.9×	292 0.5×	77	4.4k
Ajay Bansal United States	45	3.5k 0.9×	4.0k 1.6×	1.1k 0.6×	1.6k 1.1×	211 0.4×	221	5.4k
Rajvinder Singh Australia	34	3.2k 0.8×	2.1k 0.9×	950 0.6×	2.3k 1.5×	190 0.3×	154	4.7k
Toshiaki Hirasawa Japan	32	3.1k 0.8×	2.1k 0.8×	1.3k 0.8×	1.2k 0.8×	622 1.0×	149	4.1k
Hiroaki Ikematsu Japan	27	3.1k 0.8×	1.8k 0.7×	842 0.5×	2.1k 1.4×	299 0.5×	166	3.9k
Yunshi Zhong China	34	2.2k 0.6×	3.0k 1.2×	2.4k 1.4×	986 0.6×	305 0.5×	204	4.5k
Taku Sakamoto Japan	32	2.7k 0.7×	1.3k 0.5×	923 0.5×	1.9k 1.3×	243 0.4×	149	3.5k
Tomohiro Tada Japan	35	2.2k 0.6×	1.6k 0.6×	896 0.5×	2.1k 1.4×	1.3k 2.2×	136	4.6k
Marcin Polkowski Poland	23	3.8k 1.0×	2.4k 1.0×	1.2k 0.7×	3.7k 2.4×	244 0.4×	54	5.1k

Countries citing papers authored by Junko Fujisaki

Since Specialization

Citations

This map shows the geographic impact of Junko Fujisaki'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 Junko Fujisaki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Junko Fujisaki more than expected).

Fields of papers citing papers by Junko Fujisaki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Junko Fujisaki. 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 Junko Fujisaki. The network helps show where Junko Fujisaki may publish in the future.

Co-authorship network of co-authors of Junko Fujisaki

This figure shows the co-authorship network connecting the top 25 collaborators of Junko Fujisaki. A scholar is included among the top collaborators of Junko Fujisaki 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 Junko Fujisaki. Junko Fujisaki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ishimura, Norihisa, Nobuyuki Matsuhashi, Junko Fujisaki, et al.. (2025). Cancer Incidence in Japanese Patients With Long‐Segment Barrett's Esophagus—Japan Nationwide 10‐Year Prospective Cohort Study. Digestive Endoscopy. 38(1). e70070–e70070.

Yoshimizu, Shoichi, Manabu Takamatsu, Hiroshi Kawachi, et al.. (2023). Prediction of the invasion depth of superficial nonampullary duodenal adenocarcinoma. Digestive Endoscopy. 36(8). 927–938. 1 indexed citations

Ishioka, Mitsuaki, Akiko Chino, Ryo Shimizu, et al.. (2023). Advantage of magnifying narrow‐band imaging for the diagnosis of colorectal neoplasia associated with sessile serrated lesions. SHILAP Revista de lepidopterología. 4(1). e315–e315. 1 indexed citations

Namikawa, Ken, Toshiaki Hirasawa, Kaoru Nakano, et al.. (2022). Risk factors for lymph node metastasis and indication of local resection in duodenal neuroendocrine tumors. JGH Open. 6(3). 189–195. 5 indexed citations

Ishioka, Mitsuaki, Hiroyuki Osawa, Toshiaki Hirasawa, et al.. (2022). Performance of an artificial intelligence‐based diagnostic support tool for early gastric cancers: Retrospective study. Digestive Endoscopy. 35(4). 483–491. 17 indexed citations

Horie, Yoshimasa, Yusuke Horiuchi, Akiyoshi Ishiyama, et al.. (2022). The effect of antithrombotic drug use on delayed bleeding with esophageal endoscopic resection. Journal of Gastroenterology and Hepatology. 37(9). 1792–1800. 4 indexed citations

Namikawa, Ken, Kaoru Nakano, Yoshitaka Tokai, et al.. (2022). Clinicopathological characteristics of advanced gastric cancer after Helicobacter pylori eradication. JGH Open. 6(12). 833–838.

Tokai, Yoshitaka, Junko Fujisaki, Naoki Ishizuka, et al.. (2021). Usefulness of the l‐type Wako Helicobacter pylori antibody J test. JGH Open. 5(6). 673–678. 6 indexed citations

Ishiyama, Akiyoshi, Ken Namikawa, Yoshitaka Tokai, et al.. (2021). Effect of sprayingl‐menthol on peristalsis resumption during endoscopic submucosal dissection of gastric tumors. JGH Open. 5(6). 653–657. 1 indexed citations

10.

Yoshimizu, Shoichi, Hiroshi Kawachi, Yorimasa Yamamoto, et al.. (2020). Clinicopathological features and risk factors for lymph node metastasis in early-stage non-ampullary duodenal adenocarcinoma. Journal of Gastroenterology. 55(8). 754–762. 16 indexed citations

11.

Horiuchi, Yusuke, Toshiaki Hirasawa, Naoki Ishizuka, et al.. (2020). Performance of a computer-aided diagnosis system in diagnosing early gastric cancer using magnifying endoscopy videos with narrow-band imaging (with videos). Gastrointestinal Endoscopy. 92(4). 856–865.e1. 59 indexed citations

12.

Chino, Akiko, Daisuke Ide, Shôichi Saito, et al.. (2019). Clinicopathological characteristics and frequency of multiple rectal neuroendocrine tumors: a single-center retrospective study. International Journal of Colorectal Disease. 34(11). 1887–1894. 6 indexed citations

13.

Ishioka, Mitsuaki, Toshiaki Hirasawa, Hiroshi Kawachi, et al.. (2019). Enterochromaffin-like cell neuroendocrine tumor associated with parietal cell dysfunction. Gastrointestinal Endoscopy. 90(5). 841–845.e1. 6 indexed citations

14.

Osumi, Hiroki, Hiroshi Kawachi, Toshiyuki Yoshio, & Junko Fujisaki. (2019). Clinical impact of Epstein‐Barr virus status on the incidence of lymph node metastasis in early gastric cancer. Digestive Endoscopy. 32(3). 316–322. 17 indexed citations

15.

Yagi, Shusuke, Takeru Wakatsuki, Noriko Yamamoto, et al.. (2018). Clinical significance of intratumoral HER2 heterogeneity on trastuzumab efficacy using endoscopic biopsy specimens in patients with advanced HER2 positive gastric cancer. Gastric Cancer. 22(3). 518–525. 57 indexed citations

16.

Horiuchi, Yusuke, Junko Fujisaki, Noriko Yamamoto, et al.. (2015). Accuracy of diagnostic demarcation of undifferentiated-type early gastric cancers for magnifying endoscopy with narrow-band imaging: endoscopic submucosal dissection cases. Gastric Cancer. 19(2). 515–523. 40 indexed citations

17.

Fujisaki, Junko, Takashi Nakayoshi, Keiko Mochizuki, et al.. (2002). A CASE OF EARLY ESOPHAGEAL ADEINOCARCINOMA ORIGINATED FROM SHORT SEGMENT BARRETT'S ESOPHAGUS, REISECTED BY EINDOSCOPIC MUCOSAL RESECTION. Acta gastro-enterologica belgica. 44(1). 11–16. 1 indexed citations

18.

Fujisaki, Junko, et al.. (2002). 化学放射線療法の前後における進行した食道癌に対する3次元超音波内視鏡検査(3-D EUS)の有効性. Gastrointestinal Endoscopy. 56(4). 109. 1 indexed citations

19.

Inagaki, Yoshinori, et al.. (1998). A Case of the Carcinoma of the Small Intestine after Operation for Hereditary Non-polyposis Colorectal Cancer.. The Japanese Journal of Gastroenterological Surgery. 31(5). 1131–1135. 3 indexed citations

20.

Fujisaki, Junko, et al.. (1994). TWO CASES OF BLEEDING RECTAL VARICES DEVELOPED DURING FOLLOW UP OF SCLEROTHERAPY FOR ESOPHAGEAL VARICES. Acta gastro-enterologica belgica. 36(1). 2 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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