Masaru Hirai

573 total citations · 1 hit paper
12 papers, 458 citations indexed

About

Masaru Hirai is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Rheumatology. According to data from OpenAlex, Masaru Hirai has authored 12 papers receiving a total of 458 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Surgery, 5 papers in Pulmonary and Respiratory Medicine and 4 papers in Rheumatology. Recurrent topics in Masaru Hirai's work include Prostate Cancer Treatment and Research (3 papers), Bladder and Urothelial Cancer Treatments (2 papers) and Prostate Cancer Diagnosis and Treatment (2 papers). Masaru Hirai is often cited by papers focused on Prostate Cancer Treatment and Research (3 papers), Bladder and Urothelial Cancer Treatments (2 papers) and Prostate Cancer Diagnosis and Treatment (2 papers). Masaru Hirai collaborates with scholars based in Japan and United Kingdom. Masaru Hirai's co-authors include Satoshi Washino, Yutaka Kobayashi, Kimitoshi Saito, Tomoaki Miyagawa, Tsuzumi Konishi, Tomohisa Okochi, H Ishikura, Fumitoshi Terauchi, Koji Yamazawa and Hirotaka Nishi and has published in prestigious journals such as SHILAP Revista de lepidopterología, Human Reproduction and British Journal of Urology.

In The Last Decade

Masaru Hirai

11 papers receiving 450 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.

Combination of prostate imaging reporting and data system ( PI ‐ RADS ) score and prostate‐specific antigen ( PSA ) density predicts biopsy outcome in prostate biopsy naïve patients

2016 248 citations Satoshi Washino, Tomohisa Okochi et al. British Journal of Urology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Masaru Hirai Japan	6	282	176	104	100	67	12	458
Steve Hazell United Kingdom	8	155 0.5×	22 0.1×	64 0.6×	57 0.6×	49 0.7×	15	332
P. Carpentier Netherlands	10	188 0.7×	39 0.2×	35 0.3×	9 0.1×	144 2.1×	27	397
G.R. Kerr United Kingdom	10	55 0.2×	24 0.1×	89 0.9×	44 0.4×	98 1.5×	15	271
Ines Nikolovski United States	11	100 0.4×	21 0.1×	50 0.5×	80 0.8×	88 1.3×	19	261
Thomas Papathemelis Germany	9	32 0.1×	38 0.2×	125 1.2×	88 0.9×	95 1.4×	39	289
Ronald R. Pfister United States	12	273 1.0×	89 0.5×	34 0.3×	5 0.1×	118 1.8×	25	393
Sherif Elsherif United States	11	61 0.2×	17 0.1×	81 0.8×	78 0.8×	74 1.1×	33	345
Denis Heitz France	9	90 0.3×	40 0.2×	576 5.5×	416 4.2×	164 2.4×	15	698
Anne Mourrégot France	10	83 0.3×	19 0.1×	150 1.4×	188 1.9×	474 7.1×	32	640
Susan Marshall United States	10	481 1.7×	103 0.6×	5 0.0×	8 0.1×	141 2.1×	16	548

Countries citing papers authored by Masaru Hirai

Since Specialization

Citations

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

Fields of papers citing papers by Masaru Hirai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masaru Hirai

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

All Works

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12 of 12 papers shown

Nakamura, Tomohiro, et al.. (2021). Use of oral hydromorphone in a patient with stage D heart failure. SHILAP Revista de lepidopterología. 9. 2050313X211037445–2050313X211037445.

Washino, Satoshi, Masaru Hirai, Kimitoshi Saito, et al.. (2016). Impact of Androgen Deprivation Therapy on Volume Reduction and Lower Urinary Tract Symptoms in Patients with Prostate Cancer. LUTS Lower Urinary Tract Symptoms. 10(1). 57–63. 19 indexed citations

Washino, Satoshi, Tomohisa Okochi, Kimitoshi Saito, et al.. (2016). Combination of prostate imaging reporting and data system ( PI ‐ RADS ) score and prostate‐specific antigen ( PSA ) density predicts biopsy outcome in prostate biopsy naïve patients. British Journal of Urology. 119(2). 225–233. 248 indexed citations breakdown →

Hirai, Masaru, Tsuzumi Konishi, Kimitoshi Saito, et al.. (2015). SMALL CELL CARCINOMA OF THE PROSTATE: A CASE REPORT OF RELATIVE LONG-TERM SURVIVAL. The Japanese Journal of Urology. 106(4). 280–284. 4 indexed citations

Washino, Satoshi, Masaru Hirai, Yutaka Kobayashi, Kimitoshi Saito, & Tomoaki Miyagawa. (2015). Heavy hematuria requiring cystectomy in a patient with hemophilia A: a case report and literature review. BMC Urology. 15(1). 84–84. 1 indexed citations

Saito, Kimitoshi, Satoshi Washino, Masaru Hirai, et al.. (2013). A CASE OF ISOLATED POLYARTERITIS NODOSA APPEARED IN BILATERAL EPIDIDYMIDES WITH ASYNCHRONOUS ONSET. The Japanese Journal of Urology. 104(1). 22–25. 1 indexed citations

Washino, Satoshi, et al.. (2012). Long-Term Survival after Adrenalectomy for Asynchronous Metastasis of Bladder Cancer to the Bilateral Adrenal Glands. SHILAP Revista de lepidopterología. 2012. 1–3. 4 indexed citations

Washino, Satoshi, et al.. (2011). Clinical Usefulness of CEA, CA19-9, and CYFRA 21-1 as Tumor Markers for Urothelial Bladder Carcinoma. Urologia Internationalis. 87(4). 420–428. 25 indexed citations

Washino, Satoshi, et al.. (2010). 18F-Fluorodeoxyglucose positron emission tomography for diagnosis and monitoring of idiopathic retroperitoneal fibrosis associated with mediastinal fibrosis. Annals of Nuclear Medicine. 24(3). 225–229. 17 indexed citations

10.

Yamazawa, Koji, Masaru Hirai, Atsuya Fujito, et al.. (2007). Fertility-preserving treatment with progestin, and pathological criteria to predict responses, in young women with endometrial cancer. Human Reproduction. 22(7). 1953–1958. 121 indexed citations

11.

Hirokawa, Mitsuyoshi, et al.. (2000). Teratocarcinosarcoma of the nasal cavity Report of a case showing favorable prognosis. Apmis. 108(9). 553–557. 17 indexed citations

12.

Hashimoto, Yasuhiko, et al.. (1971). On the Electrorefining of Titanium from Crude Titanium Containing Carbon and Oxygen. Journal of the Japan Institute of Metals and Materials. 35(11). 1055–1062. 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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