Per Syrak Hansen

4.8k total citations · 3 hit papers
20 papers, 3.6k citations indexed

About

Per Syrak Hansen is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Immunology. According to data from OpenAlex, Per Syrak Hansen has authored 20 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Surgery, 7 papers in Pulmonary and Respiratory Medicine and 6 papers in Immunology. Recurrent topics in Per Syrak Hansen's work include Vasculitis and related conditions (7 papers), Helicobacter pylori-related gastroenterology studies (6 papers) and Galectins and Cancer Biology (6 papers). Per Syrak Hansen is often cited by papers focused on Vasculitis and related conditions (7 papers), Helicobacter pylori-related gastroenterology studies (6 papers) and Galectins and Cancer Biology (6 papers). Per Syrak Hansen collaborates with scholars based in Denmark, United States and United Kingdom. Per Syrak Hansen's co-authors include Henning T. Mouridsen, C. Gadeberg, Jens Overgaard, Marie Overgaard, Carsten Rose, Michael Kjær, Maj‐Britt Jensen, Karin Zedeler, Michael Andersson and Flemming W. Bach and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Scientific Reports.

In The Last Decade

Per Syrak Hansen

20 papers receiving 3.5k citations

Hit Papers

Postoperative Radiotherap... 1997 2026 2006 2016 1997 1999 2020 500 1000 1.5k
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.

  1. Postoperative Radiotherapy in High-Risk Premenopausal Women with Breast Cancer Who Receive Adjuvant Chemotherapy
    1997 1.9k citations Marie Overgaard, Per Syrak Hansen et al. New England Journal of Medicine profile →
  2. Postoperative radiotherapy in high-risk postmenopausal breast-cancer patients given adjuvant tamoxifen: Danish Breast Cancer Cooperative Group DBCG 82c randomised trial
    1999 1.2k citations Marie Overgaard, Maj‐Britt Jensen et al. The Lancet profile →
  3. FRI0203 A SINGLE-CENTER INVESTIGATION ON THE PREVALENCE OF MALIGNANCIES IN PATIENTS WITH POLYMYALGIA RHEUMATICA AND GIANT CELL ARTERITIS BY WAY OF 18F-FDG PET/CT: A PROSPECTIVE COHORT STUDY
    2020 280 citations Amir Emamifar, Søren Hess et al. Annals of the Rheumatic Diseases profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Per Syrak Hansen Denmark 12 2.7k 1.4k 1.4k 1.1k 523 20 3.6k
Rachel Rabinovitch United States 32 1.4k 0.5× 555 0.4× 912 0.6× 830 0.8× 623 1.2× 99 2.8k
C. Gadeberg Denmark 12 2.8k 1.1× 1.7k 1.2× 1.5k 1.1× 1.4k 1.3× 565 1.1× 26 3.8k
Ninja Antonini Netherlands 27 790 0.3× 1.5k 1.0× 963 0.7× 2.4k 2.2× 927 1.8× 50 4.1k
W. Van den Bogaert Belgium 23 597 0.2× 686 0.5× 323 0.2× 722 0.7× 936 1.8× 69 2.4k
J Dauplat France 30 1.0k 0.4× 828 0.6× 671 0.5× 1.2k 1.1× 452 0.9× 184 3.1k
Swei Hsueh Taiwan 41 515 0.2× 1.3k 0.9× 375 0.3× 781 0.7× 514 1.0× 108 4.1k
A. Altendorf-Hofmann Germany 31 431 0.2× 2.2k 1.5× 379 0.3× 3.7k 3.4× 1.6k 3.0× 124 5.8k
Ira J. Bleiweiss United States 36 2.0k 0.8× 936 0.6× 1.7k 1.2× 1.3k 1.2× 329 0.6× 122 3.9k
Catheryn M. Yashar United States 32 582 0.2× 1.2k 0.8× 275 0.2× 578 0.5× 571 1.1× 149 3.5k
Chul Won Choi South Korea 28 221 0.1× 534 0.4× 664 0.5× 851 0.8× 657 1.3× 192 2.8k

Countries citing papers authored by Per Syrak Hansen

Since Specialization
Citations

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

Fields of papers citing papers by Per Syrak Hansen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Per Syrak Hansen. 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 Per Syrak Hansen. The network helps show where Per Syrak Hansen may publish in the future.

Co-authorship network of co-authors of Per Syrak Hansen

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

All Works

20 of 20 papers shown
1.
Hansen, Per Syrak, Oke Gerke, Jakob Kjellberg, et al.. (2024). Risk of cancer and serious disease in Danish patients with urgent referral for serious non-specific symptoms and signs of cancer in Funen 2014–2021. British Journal of Cancer. 130(8). 1304–1315. 5 indexed citations
2.
Emamifar, Amir, Torkell Ellingsen, Anne Pernille Hermann, et al.. (2021). Prognostic impacts of glucocorticoid treatment in patients with polymyalgia rheumatica and giant cell arteritis. Scientific Reports. 11(1). 6220–6220. 8 indexed citations
3.
Emamifar, Amir, Søren Hess, Torkell Ellingsen, et al.. (2021). Clinical presentation and treatment response in patients with polymyalgia rheumatica and giant cell arteritis during a 40-week follow-up. Rheumatology Advances in Practice. 5(3). rkab091–rkab091. 2 indexed citations
4.
Emamifar, Amir, Torkell Ellingsen, Søren Hess, et al.. (2020). The Utility of 18F‐FDG PET/CT in Patients With Clinical Suspicion of Polymyalgia Rheumatica and Giant Cell Arteritis: A Prospective, Observational, and Cross‐sectional Study. ACR Open Rheumatology. 2(8). 478–490. 24 indexed citations
5.
Emamifar, Amir, Søren Hess, Oke Gerke, et al.. (2020). FRI0203 A SINGLE-CENTER INVESTIGATION ON THE PREVALENCE OF MALIGNANCIES IN PATIENTS WITH POLYMYALGIA RHEUMATICA AND GIANT CELL ARTERITIS BY WAY OF 18F-FDG PET/CT: A PROSPECTIVE COHORT STUDY. Annals of the Rheumatic Diseases. 79. 685–685. 280 indexed citations breakdown →
6.
7.
Emamifar, Amir, Torkell Ellingsen, Søren Hess, et al.. (2019). THU0297 STEROID TREATMENT MAY IMPROVE ARTERIAL STIFFNESS IN PATIENTSWITH POLYMYALGIA RHEUMATICA AND GIANT CELL ARTERITIS: A PROSPECTIVE COHORT STUDY. Annals of the Rheumatic Diseases. 78. 427–428. 1 indexed citations
8.
Emamifar, Amir, Søren Hess, Oke Gerke, et al.. (2017). Polymyalgia rheumatica and giant cell arteritis—three challenges—consequences of the vasculitis process, osteoporosis, and malignancy. Medicine. 96(26). e7297–e7297. 7 indexed citations
9.
Mølle, Ingolf, et al.. (2006). Use of Medical Chemoprophylaxis and Antimosquito Precautions in Danish Malaria Patients and their Traveling Companions. Journal of Travel Medicine. 7(5). 253–258. 11 indexed citations
10.
Hansen, Per Syrak, et al.. (2005). Dysgonomonas capnocytophagoides bacteraemia in a neutropenic patient treated for acute myeloid leukaemia. Apmis. 113(3). 229–231. 13 indexed citations
11.
Hansen, Per Syrak, et al.. (2002). Helicobacter pylori Additive Effects of Helicobacter pylori Lipopolysaccharide and Proteins in Monocyte Inflammatory Responses. Scandinavian Journal of Gastroenterology. 37(7). 765–771. 10 indexed citations
12.
Hansen, Per Syrak, et al.. (2001). Helicobacter felisdoes not stimulate human neutrophil oxidative burst in contrast to ‘Gastrospirillum hominis’ andHelicobacter pylori. FEMS Immunology & Medical Microbiology. 30(3). 187–195. 4 indexed citations
13.
Hansen, Per Syrak, Peter Madsen, Steffen B. Petersen, & Henrik Nielsen. (2001). Inflammatory activation of neutrophils by Helicobacter pylori; a mechanism insensitive to pertussis toxin. Clinical & Experimental Immunology. 123(1). 73–80. 11 indexed citations
14.
Overgaard, Marie, Maj‐Britt Jensen, Jens Overgaard, et al.. (1999). Postoperative radiotherapy in high-risk postmenopausal breast-cancer patients given adjuvant tamoxifen: Danish Breast Cancer Cooperative Group DBCG 82c randomised trial. The Lancet. 353(9165). 1641–1648. 1203 indexed citations breakdown →
15.
Hansen, Per Syrak, Mae F. Go, Kim Varming, et al.. (1999). Proinflammatory Activation of Neutrophils and Monocytes byHelicobacter pyloriin Patients with Different Clinical Presentations. Infection and Immunity. 67(6). 3171–3174. 14 indexed citations
16.
Hansen, Per Syrak, Mae F. Go, Kim Varming, et al.. (1999). Proinflammatory activation of neutrophils and monocytes by Helicobacter pylori is not associated with cagA, vacA or picB genotypes.. PubMed. 107(12). 1117–23. 13 indexed citations
17.
Hansen, Per Syrak, Mae F. Go, Kim Varming, et al.. (1999). Proinflammatory activation of neutrophils and monocytes byHelicobacter pyloriis not associated withcagA,vacA orpicB genotypes. Apmis. 107(7-12). 1117–1123. 12 indexed citations
18.
Hansen, Per Syrak & Henrik Carl Schønheyder. (1998). Pyogenic hepatic abscess. A 10‐year population‐based retrospective study. Apmis. 106(1-6). 396–402. 59 indexed citations
19.
Hansen, Per Syrak, et al.. (1997). Quality Control of End Results in a Danish Adjuvant Breast Cancer Multi-Center Study. Acta Oncologica. 36(7). 711–714. 16 indexed citations
20.
Overgaard, Marie, Per Syrak Hansen, Jens Overgaard, et al.. (1997). Postoperative Radiotherapy in High-Risk Premenopausal Women with Breast Cancer Who Receive Adjuvant Chemotherapy. New England Journal of Medicine. 337(14). 949–955. 1921 indexed citations breakdown →

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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