Shozo Okamoto

2.4k total citations · 1 hit paper
36 papers, 1.1k citations indexed

About

Shozo Okamoto is a scholar working on Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine and Cancer Research. According to data from OpenAlex, Shozo Okamoto has authored 36 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Radiology, Nuclear Medicine and Imaging, 15 papers in Pulmonary and Respiratory Medicine and 13 papers in Cancer Research. Recurrent topics in Shozo Okamoto's work include Medical Imaging Techniques and Applications (19 papers), Cancer, Hypoxia, and Metabolism (13 papers) and Lung Cancer Diagnosis and Treatment (8 papers). Shozo Okamoto is often cited by papers focused on Medical Imaging Techniques and Applications (19 papers), Cancer, Hypoxia, and Metabolism (13 papers) and Lung Cancer Diagnosis and Treatment (8 papers). Shozo Okamoto collaborates with scholars based in Japan, United States and Germany. Shozo Okamoto's co-authors include Nagara Tamaki, Tohru Shiga, Markus Schwaiger, Tobias Maurer, Matthias Eiber, Margitta Retz, Robert Tauber, Matthias Heck, Yuji Kuge and Thomas Pyka and has published in prestigious journals such as PLoS ONE, International Journal of Radiation Oncology*Biology*Physics and Molecules.

In The Last Decade

Shozo Okamoto

35 papers receiving 1.1k 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.

Comparison of bone scintigraphy and 68Ga-PSMA PET for skeletal staging in prostate cancer

2016 280 citations Thomas Pyka, Shozo Okamoto et al. European Journal of Nuclear Medicine and Molecular Imaging profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Shozo Okamoto Japan	17	768	626	273	149	79	36	1.1k
Aurora Poon Australia	16	328 0.4×	269 0.4×	159 0.6×	163 1.1×	78 1.0×	32	800
Srinivasan Senthamizhchelvan United States	14	820 1.1×	581 0.9×	113 0.4×	160 1.1×	45 0.6×	26	1.1k
John C. Paschold United States	3	522 0.7×	243 0.4×	81 0.3×	171 1.1×	119 1.5×	7	847
Amir H. Khandani United States	18	305 0.4×	377 0.6×	110 0.4×	215 1.4×	82 1.0×	59	759
Keiichi Magota Japan	19	605 0.8×	232 0.4×	207 0.8×	50 0.3×	90 1.1×	52	975
Ilaria Grassi Italy	12	330 0.4×	146 0.2×	184 0.7×	276 1.9×	38 0.5×	25	851
Tore Bach‐Gansmo Norway	15	452 0.6×	356 0.6×	112 0.4×	110 0.7×	80 1.0×	45	833
Arndt‐Christian Müller Germany	21	390 0.5×	659 1.1×	83 0.3×	184 1.2×	190 2.4×	71	1.1k
Hani Ashamalla United States	17	322 0.4×	371 0.6×	125 0.5×	276 1.9×	142 1.8×	70	1.0k
Sarah Chittenden United Kingdom	16	591 0.8×	312 0.5×	57 0.2×	150 1.0×	92 1.2×	34	784

Countries citing papers authored by Shozo Okamoto

Since Specialization

Citations

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

Fields of papers citing papers by Shozo Okamoto

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shozo Okamoto

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

Watanabe, Shirô, Shozo Okamoto, Noriyuki Miyamoto, et al.. (2022). Identification of patients with Graves’ disease who benefit from high-dose radioactive iodine therapy. Annals of Nuclear Medicine. 36(11). 923–930. 1 indexed citations

Okamoto, Shozo, Tohru Shiga, & Nagara Tamaki. (2021). Clinical Perspectives of Theranostics. Molecules. 26(8). 2232–2232. 23 indexed citations

Watanabe, Shirô, Ken‐ichi Nishijima, Shozo Okamoto, et al.. (2020). Biodistribution and internal radiation dosimetry of a novel probe for thymidine phosphorylase imaging, [123I]IIMU, in healthy volunteers. Annals of Nuclear Medicine. 34(8). 595–599. 1 indexed citations

Kroenke, Markus, Kenji Hirata, Andrei Gafita, et al.. (2019). Voxel based comparison and texture analysis of 18F-FDG and 18F-FMISO PET of patients with head-and-neck cancer. PLoS ONE. 14(2). e0213111–e0213111. 22 indexed citations

Watanabe, Shirô, Tetsuya Inoue, Shozo Okamoto, et al.. (2019). Combination of FDG-PET and FMISO-PET as a treatment strategy for patients undergoing early-stage NSCLC stereotactic radiotherapy. EJNMMI Research. 9(1). 104–104. 17 indexed citations

Watanabe, Shirô, Tohru Shiga, Kenji Hirata, et al.. (2019). Biodistribution and radiation dosimetry of the novel hypoxia PET probe [18F]DiFA and comparison with [18F]FMISO. EJNMMI Research. 9(1). 60–60. 22 indexed citations

Rischpler, Christoph, Shozo Okamoto, Anna Melissa Schlitter, et al.. (2018). ⁶⁸Ga-PSMA-HBED-CC Uptake in Cervical, Celiac, and Sacral Ganglia as an Important Pitfall in Prostate Cancer PET Imaging. Journal of Nuclear Medicine. 59(9). 1406–1411. 91 indexed citations

Sato, Jun, Yoshimasa Kitagawa, Shirô Watanabe, et al.. (2017). 18 F-Fluoromisonidazole positron emission tomography (FMISO-PET) may reflect hypoxia and cell proliferation activity in oral squamous cell carcinoma. Oral Surgery Oral Medicine Oral Pathology and Oral Radiology. 124(3). 261–270. 9 indexed citations

Nishikawa, Yukiko, Kôichi Yasuda, Shozo Okamoto, et al.. (2017). Local relapse of nasopharyngeal cancer and Voxel-based analysis of FMISO uptake using PET with semiconductor detectors. Radiation Oncology. 12(1). 148–148. 10 indexed citations

10.

Pyka, Thomas, Shozo Okamoto, Robert Tauber, et al.. (2016). Comparison of bone scintigraphy and 68Ga-PSMA PET for skeletal staging in prostate cancer. European Journal of Nuclear Medicine and Molecular Imaging. 43(12). 2114–2121. 280 indexed citations breakdown →

11.

Okamoto, Shozo, Tohru Shiga, Kôichi Yasuda, et al.. (2016). The reoxygenation of hypoxia and the reduction of glucose metabolism in head and neck cancer by fractionated radiotherapy with intensity-modulated radiation therapy. European Journal of Nuclear Medicine and Molecular Imaging. 43(12). 2147–2154. 24 indexed citations

12.

Okamoto, Shozo, Anne Thieme, Calogero D’Alessandria, et al.. (2016). Radiation Dosimetry for¹⁷⁷Lu-PSMA I&T in Metastatic Castration-Resistant Prostate Cancer: Absorbed Dose in Normal Organs and Tumor Lesions. Journal of Nuclear Medicine. 58(3). 445–450. 158 indexed citations

13.

Gaertner, Florian, Shozo Okamoto, Tohru Shiga, et al.. (2015). FDG PET Performed at Thyroid Remnant Ablation Has a Higher Predictive Value for Long-Term Survival of High-Risk Patients With Well-Differentiated Thyroid Cancer Than Radioiodine Uptake. Clinical Nuclear Medicine. 40(5). 378–383. 18 indexed citations

14.

Hirata, Kenji, Naoya Hattori, Wataru Takeuchi, et al.. (2015). Metabolic Activity of Red Nucleus and Its Correlation with Cerebral Cortex and Cerebellum: A Study Using a High-Resolution Semiconductor PET System. Journal of Nuclear Medicine. 56(8). 1206–1211. 11 indexed citations

15.

Sato, Jun, Yoshimasa Kitagawa, Yutaka Yamazaki, et al.. (2014). Advantage of FMISO-PET over FDG-PET for predicting histological response to preoperative chemotherapy in patients with oral squamous cell carcinoma. European Journal of Nuclear Medicine and Molecular Imaging. 41(11). 2031–2041. 25 indexed citations

16.

Sato, Jun, Yoshimasa Kitagawa, Yutaka Yamazaki, et al.. (2013). ¹⁸F-Fluoromisonidazole PET Uptake Is Correlated with Hypoxia-Inducible Factor-1α Expression in Oral Squamous Cell Carcinoma. Journal of Nuclear Medicine. 54(7). 1060–1065. 46 indexed citations

17.

Okamoto, Shozo, Tohru Shiga, Kôichi Yasuda, et al.. (2013). High Reproducibility of Tumor Hypoxia Evaluated by ¹⁸F-Fluoromisonidazole PET for Head and Neck Cancer. Journal of Nuclear Medicine. 54(2). 201–207. 115 indexed citations

18.

Takei, Toshiki, Tohru Shiga, Wataru Takeuchi, et al.. (2012). A novel PET scanner with semiconductor detectors may improve diagnostic accuracy in the metastatic survey of head and neck cancer patients. Annals of Nuclear Medicine. 27(1). 17–24. 5 indexed citations

19.

Hirata, Kenji, et al.. (2009). Radioiodine Therapy for Thyroid Cancer Depicted Uterine Leiomyoma. Clinical Nuclear Medicine. 34(3). 180–181. 17 indexed citations

20.

Inoue, Tetsuya, Keiichiro Yoshinaga, Koichi Morita, et al.. (2007). Whole-body iodine-131 metaiodobenzylguanidine imaging for detection of bone metastases in patients with paraganglioma: comparison with bone scintigraphy. Annals of Nuclear Medicine. 21(5). 307–310. 1 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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