Osamu Nakashima

10.8k total citations · 2 hit papers
204 papers, 7.5k citations indexed

About

Osamu Nakashima is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Osamu Nakashima has authored 204 papers receiving a total of 7.5k indexed citations (citations by other indexed papers that have themselves been cited), including 99 papers in Hepatology, 69 papers in Epidemiology and 66 papers in Surgery. Recurrent topics in Osamu Nakashima's work include Hepatocellular Carcinoma Treatment and Prognosis (85 papers), Liver Disease Diagnosis and Treatment (48 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (41 papers). Osamu Nakashima is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (85 papers), Liver Disease Diagnosis and Treatment (48 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (41 papers). Osamu Nakashima collaborates with scholars based in Japan, United States and United Kingdom. Osamu Nakashima's co-authors include Masamichi Kojiro, Masatoshi Kudo, Namiki Izumi, Michiie Sakamoto, Norihiro Kokudo, Yutaka Matsuyama, Osamu Matsui, Masatoshi Makuuchi, M Kojiro and Yonson Ku and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Osamu Nakashima

194 papers receiving 7.3k 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.

Management of Hepatocellular Carcinoma in Japan: Consensus-Based Clinical Practice Guidelines Proposed by the Japan Society of Hepatology (JSH) 2010 Updated Version

2011 672 citations Masatoshi Kudo, Namiki Izumi et al. profile →
Survival benefit of liver resection for hepatocellular carcinoma associated with portal vein invasion

2016 335 citations Takashi Kokudo, Kiyoshi Hasegawa et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Osamu Nakashima Japan	46	4.6k	2.9k	2.2k	1.7k	1.2k	204	7.5k
Olivier Rosmorduc France	43	4.6k 1.0×	3.0k 1.0×	2.3k 1.1×	2.4k 1.4×	990 0.8×	129	8.0k
Kang Mo Kim South Korea	43	5.0k 1.1×	3.9k 1.4×	1.4k 0.6×	1.2k 0.7×	937 0.8×	184	7.2k
Iwao Ikai Japan	54	6.6k 1.5×	3.5k 1.2×	4.1k 1.9×	2.1k 1.2×	1.4k 1.2×	221	10.3k
Joong‐Won Park South Korea	46	5.4k 1.2×	2.6k 0.9×	2.5k 1.1×	2.3k 1.3×	1.5k 1.3×	164	8.5k
Jean‐Frédéric Blanc France	41	2.9k 0.6×	1.8k 0.6×	1.4k 0.6×	2.0k 1.2×	1.4k 1.2×	164	6.8k
Kenichi Wakasa Japan	40	2.2k 0.5×	2.1k 0.7×	1.5k 0.7×	1.5k 0.9×	808 0.7×	260	6.5k
Ahmed O. Kaseb United States	42	3.7k 0.8×	1.8k 0.6×	2.1k 0.9×	2.9k 1.7×	1.5k 1.2×	263	8.1k
Min-Shan Chen China	32	3.3k 0.7×	1.9k 0.7×	1.3k 0.6×	1.4k 0.8×	896 0.8×	58	5.3k
Koji Umeshita Japan	51	3.4k 0.7×	1.6k 0.6×	3.1k 1.4×	2.2k 1.2×	1.8k 1.5×	290	8.5k
Cheol Keun Park South Korea	40	2.0k 0.4×	1.4k 0.5×	1.8k 0.8×	1.5k 0.8×	805 0.7×	169	6.2k

Countries citing papers authored by Osamu Nakashima

Since Specialization

Citations

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

Fields of papers citing papers by Osamu Nakashima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Osamu Nakashima

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

Kim, Soo Ryang, Soo Ki Kim, Hisato Kobayashi, et al.. (2023). Hepatic Inflammatory pseudotumor differentiated from malignant hepatic tumor: A case report. Kanzo. 64(3). 141–149. 1 indexed citations

Koizumi, Yohei, Masashi Hirooka, Nobuharu Tamaki, et al.. (2019). New diagnostic technique to evaluate hepatic steatosis using the attenuation coefficient on ultrasound B mode. PLoS ONE. 14(8). e0221548–e0221548. 33 indexed citations

Hiraoka, Atsushi, Kojiro Michitaka, Takashi Kumada, et al.. (2019). Prediction of Prognosis of Intermediate-Stage HCC Patients: Validation of the Tumor Marker Score in a Nationwide Database in Japan. Liver Cancer. 8(5). 403–411. 27 indexed citations

Tamaki, Nobuharu, Yohei Koizumi, Masashi Hirooka, et al.. (2018). Novel quantitative assessment system of liver steatosis using a newly developed attenuation measurement method. Hepatology Research. 48(10). 821–828. 74 indexed citations

Takayasu, Kenichi, Shigeki Arii, Michiie Sakamoto, et al.. (2017). Impact of resection and ablation for single hypovascular hepatocellular carcinoma ≤2 cm analysed with propensity score weighting. Liver International. 38(3). 484–493. 30 indexed citations

Hiraoka, Atsushi, Kojiro Michitaka, Takashi Kumada, et al.. (2017). Validation and Potential of Albumin-Bilirubin Grade and Prognostication in a Nationwide Survey of 46,681 Hepatocellular Carcinoma Patients in Japan: The Need for a More Detailed Evaluation of Hepatic Function. Liver Cancer. 6(4). 325–336. 177 indexed citations

Hisaka, Toru, Hiroyuki Horiuchi, Shinji Uchida, et al.. (2016). Expression of HSP27 in Hepatocellular Carcinoma.. PubMed. 36(7). 3775–9. 20 indexed citations

Hasegawa, Kiyoshi, Masatoshi Makuuchi, Norihiro Kokudo, et al.. (2013). Impact of Histologically Confirmed Lymph Node Metastases on Patient Survival After Surgical Resection for Hepatocellular Carcinoma. Annals of Surgery. 259(1). 166–170. 48 indexed citations

Yoshida, Naohiro, Toshiro Ogata, Koji Okuda, et al.. (2013). A case of primary hepatic neuroendocrine tumor with an intrahepatic metastasis treated by right hepatic trisegmentectomy. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 74(3). 756–762. 2 indexed citations

10.

Taguchi, Jun, Osamu Nakashima, Tomotake Shirono, et al.. (2010). A resected case of primary liver cancer, consisting of hepatocellular carcinoma and cholangiolocellular carcinoma, arising in alcoholic liver disease. Kanzo. 51(11). 664–673. 1 indexed citations

11.

Yamaguchi, Rin, Maki Tanaka, Toshiro Yokoyama, et al.. (2009). Clinicocytopathology of breast cancers with a ring‐like appearance on ultrasonography and/or magnetic resonance imaging. Pathology International. 60(1). 22–26. 4 indexed citations

12.

Kita, Ryuichi, Norihiro Nishijima, Hisato Kawakami, et al.. (2007). Corona enhancement may emerge via sinusoidal drainage pathways. Kanzo. 48(5). 246–248. 1 indexed citations

13.

Watanabe, Makoto, et al.. (2004). Estimation of Mortality and Morbidity Risk in Colorectal Surgery using POSSUM Predictor Equation. The Japanese Journal of Gastroenterological Surgery. 37(11). 1714–1720. 2 indexed citations

14.

Nakashima, Osamu, Jirô Watanabe, Masaya Tanaka, et al.. (1996). Clinicopathologic study of hyperplastic nodules in patient with chronic alcoholic liver disease.. Kanzo. 37(12). 704–713. 19 indexed citations

15.

Hirai, Kenji, Naofumi Ono, Yoshinori Aoki, et al.. (1991). A case of hepatocellular carcinoma metastatic to the left humerus with survival for 6years and 9months.. Kanzo. 32(12). 1163–1168. 1 indexed citations

16.

Nakashima, Osamu, Shigetaka Sugihara, Masamichi Kojiro, et al.. (1991). Pathomorphologic study on hepatocellular carcinoma showing hyperechoic pattern.. Kanzo. 32(6). 618–624. 7 indexed citations

17.

Nakashima, Osamu, et al.. (1990). Pathomorphologic study on hyperplastic nodule of the liver. A special reference to the containment of cancerous foci.. Kanzo. 31(3). 324–330. 6 indexed citations

18.

Sugihara, Shigetaka, et al.. (1990). Pathomorphologic study on macrophages in hepatocellular carcinoma.. Kanzo. 31(1). 12–18. 10 indexed citations

19.

Nakashima, Osamu. (1989). Pathomorphological study on early hepatocellular carcinoma. A study of capsule and septum formation.. Kanzo. 30(1). 28–34. 11 indexed citations

20.

Kakizoe, Saburo, et al.. (1988). Clinicopathologic study of hepatocellular carcinoma with sarcomatous appearance.. Kanzo. 29(1). 71–76. 11 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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