Ryusaku Yamada

3.3k total citations · 2 hit papers
67 papers, 2.6k citations indexed

About

Ryusaku Yamada is a scholar working on Hepatology, Surgery and Epidemiology. According to data from OpenAlex, Ryusaku Yamada has authored 67 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Hepatology, 30 papers in Surgery and 17 papers in Epidemiology. Recurrent topics in Ryusaku Yamada's work include Liver Disease and Transplantation (23 papers), Hepatocellular Carcinoma Treatment and Prognosis (21 papers) and Liver Disease Diagnosis and Treatment (17 papers). Ryusaku Yamada is often cited by papers focused on Liver Disease and Transplantation (23 papers), Hepatocellular Carcinoma Treatment and Prognosis (21 papers) and Liver Disease Diagnosis and Treatment (17 papers). Ryusaku Yamada collaborates with scholars based in Japan, United States and China. Ryusaku Yamada's co-authors include Yuichi Inoue, M Shakudo, Shigeki Arii, Masamichi Kojiro, Michiharu Morino, Kenichi Wakasa, Kenji Ohata, Keiko Nakayama, Masatoshi Makuuchi and Kenichi Kobayashi and has published in prestigious journals such as Hepatology, Cancer and International Journal of Radiation Oncology*Biology*Physics.

In The Last Decade

Ryusaku Yamada

64 papers receiving 2.5k citations

Hit Papers

align trajectories

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.

Results of Surgical and Nonsurgical Treatment for Small–Sized Hepatocellular Carcinomas: A Retrospective and Nationwide Survey in Japan

2000 582 citations Shigeki Arii, Ryusaku Yamada et al. profile →
The role of diffusion-weighted imaging in patients with brain tumors.

2001 534 citations M Shakudo, Ryusaku Yamada et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ryusaku Yamada Japan	19	1.4k	873	863	631	349	67	2.6k
Géraldine Sergent France	20	1.7k 1.2×	830 1.0×	1.1k 1.2×	174 0.3×	598 1.7×	42	2.5k
Masami Sakurai Japan	26	982 0.7×	770 0.9×	704 0.8×	127 0.2×	530 1.5×	136	2.5k
Sylvain Terraz Switzerland	27	1.8k 1.3×	767 0.9×	788 0.9×	562 0.9×	486 1.4×	84	2.9k
Christos Georgiades United States	31	1.0k 0.7×	460 0.5×	855 1.0×	575 0.9×	1.0k 2.9×	121	3.1k
Soon Jin Lee South Korea	38	1.1k 0.8×	929 1.1×	1.4k 1.7×	1.0k 1.6×	830 2.4×	113	3.7k
Kazuto Kozaka Japan	26	1.6k 1.1×	1.1k 1.2×	770 0.9×	628 1.0×	358 1.0×	90	2.4k
Magaly Zappa France	24	740 0.5×	921 1.1×	711 0.8×	200 0.3×	253 0.7×	69	2.0k
Sachiko Minamiguchi Japan	28	497 0.4×	430 0.5×	901 1.0×	216 0.3×	543 1.6×	176	2.7k
Young So South Korea	26	487 0.3×	414 0.5×	774 0.9×	598 0.9×	641 1.8×	111	2.2k
Rheun‐Chuan Lee Taiwan	29	1.6k 1.1×	958 1.1×	961 1.1×	483 0.8×	623 1.8×	124	3.0k

Countries citing papers authored by Ryusaku Yamada

Since Specialization

Citations

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

Fields of papers citing papers by Ryusaku Yamada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryusaku Yamada

This figure shows the co-authorship network connecting the top 25 collaborators of Ryusaku Yamada. A scholar is included among the top collaborators of Ryusaku Yamada 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 Ryusaku Yamada. Ryusaku Yamada 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

Koyama, Koichi, Terue Okamura, Joji Kawabe, et al.. (2003). Evaluation of 18F-FDG PET with bladder irrigation in patients with uterine and ovarian tumors.. PubMed. 44(3). 353–8. 60 indexed citations

Koyama, Koichi, Terue Okamura, Joji Kawabe, et al.. (2002). The usefulness of18F-FDG PET images obtained 2 hours after intravenous injection in liver tumor. Annals of Nuclear Medicine. 16(3). 169–176. 25 indexed citations

Nakamura, Kenji, et al.. (2002). Inhibition of Neointimal Hyperplasia by Heat Stress in an Experimental Model. Journal of Vascular and Interventional Radiology. 13(12). 1247–1253. 1 indexed citations

Kubo, Shoji, Taichi Shuto, Hiromu Tanaka, et al.. (2002). Power Doppler Ultrasonographic Diagnosis of Small Hepatocellular Carcinomas. Digestive Surgery. 19(5). 379–388. 3 indexed citations

Kitada, Takuya, et al.. (2001). Cardiac tamponade caused by spontaneous rupture of mediastinal lymph node metastasis of hepatocellular carcinoma. Journal of Gastroenterology and Hepatology. 16(6). 702–704. 10 indexed citations

Koyama, Koichi, Terue Okamura, Joji Kawabe, et al.. (2001). Diagnostic usefulness of FDG PET for pancreatic mass lesions. Annals of Nuclear Medicine. 15(3). 217–24. 64 indexed citations

Hamuro, Masao, Kenji Nakamura, Yukimasa Sakai, et al.. (1999). New oily agents for targeting chemoembolization for hepatocellular carcinoma. CardioVascular and Interventional Radiology. 22(2). 130–134. 13 indexed citations

Kawabe, Joji, Terue Okamura, M Shakudo, et al.. (1999). Thallium and FDG uptake by atelectasis with bronchogenic carcinoma. Annals of Nuclear Medicine. 13(4). 273–276. 7 indexed citations

Kawabe, Joji, Terue Okamura, Koichi Koyama, et al.. (1998). Relatively high F-18 fluorodeoxyglucose uptake in paranasal sinus aspergillosis: A PET study. Annals of Nuclear Medicine. 12(3). 145–148. 13 indexed citations

10.

Sonomura, Tetsuo, et al.. (1997). Dependency of tissue necrosis on gelatin sponge particle size after canine hepatic artery embolization. CardioVascular and Interventional Radiology. 20(1). 50–53. 24 indexed citations

11.

Yamasaki, Susumu, Hiroshi Hasegawa, Hiroaki Kinoshita, et al.. (1996). A Prospective Randomized Trial of the Preventive Effect of Pre‐operative Transcatheter Arterial Embolization against Recurrence of Hepatocellular Carcinoma. Japanese Journal of Cancer Research. 87(2). 206–211. 126 indexed citations

12.

Sonomura, Tetsuo, et al.. (1992). Study on Time Course of PIVKA-II and AFP levels after hepatic artery embolization for hepatocellular carcinomas. Relation between time course in PIVKA-II and AFP levels and tumor necrosis.. Kanzo. 33(9). 692–698. 1 indexed citations

13.

Sato, Morio, et al.. (1989). Treatment of advanced hepatocellular carcinoma with hepatic artery infusion of SMANCS-Lipiodol.. Kanzo. 30(8). 898–903. 1 indexed citations

14.

Yamada, Ryusaku, et al.. (1987). A study on intestinal 47Ca absorption test by employing scintillation camera.. RADIOISOTOPES. 36(5). 227–231. 2 indexed citations

15.

Yamada, Ryusaku, et al.. (1986). Evaluation of osteocalcin in serum of hemodialysis patients with renal insufficiency.. RADIOISOTOPES. 35(9). 482–485. 1 indexed citations

16.

Kinoshita, Hiroaki, Katsuji Sakai, Shoji Kubo, et al.. (1984). Evaluation of hepatic angiography in diagnosis of hepatocellular carcinoma - Usefulness of balloon-occluded hepatic arteriography and percutaneous transhepatic portography.. The Japanese Journal of Gastroenterological Surgery. 17(10). 1841–1850. 1 indexed citations

17.

Kanno, Toru, Takeyuki Monna, Narito KURIOKA, et al.. (1982). . Kanzo. 23(6). 622–628. 1 indexed citations

18.

Yamada, Ryusaku, H Nakatsuka, Morio Sato, et al.. (1982). . Kanzo. 23(10). 1211–1215.

19.

Yamada, Ryusaku, Toru Kanno, Takeyuki Monna, et al.. (1981). . Kanzo. 22(11). 1577–1582. 3 indexed citations

20.

Yamada, Ryusaku, H Nakatsuka, Kenji Nakamura, et al.. (1979). Transcatheter arterial embolization therapy in unresectable hepatomas. Kanzo. 20(6). 595–603. 17 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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