Helgi Birgisson

6.3k total citations · 1 hit paper
72 papers, 2.6k citations indexed

About

Helgi Birgisson is a scholar working on Oncology, Surgery and Pathology and Forensic Medicine. According to data from OpenAlex, Helgi Birgisson has authored 72 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Oncology, 29 papers in Surgery and 14 papers in Pathology and Forensic Medicine. Recurrent topics in Helgi Birgisson's work include Colorectal Cancer Screening and Detection (14 papers), Colorectal Cancer Surgical Treatments (14 papers) and Intraperitoneal and Appendiceal Malignancies (13 papers). Helgi Birgisson is often cited by papers focused on Colorectal Cancer Screening and Detection (14 papers), Colorectal Cancer Surgical Treatments (14 papers) and Intraperitoneal and Appendiceal Malignancies (13 papers). Helgi Birgisson collaborates with scholars based in Sweden, Iceland and Denmark. Helgi Birgisson's co-authors include Bengt Glimelius, Ulf Gunnarsson, Lars Påhlman, Björn Cedermark, Joakim Folkesson, Lars Påhlman, Filip Sköldberg, Karin Jirström, Wilhelm Graf and Malin Enblad and has published in prestigious journals such as Journal of Clinical Oncology, Gastroenterology and PLoS ONE.

In The Last Decade

Helgi Birgisson

64 papers receiving 2.6k 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.

Swedish Rectal Cancer Trial: Long Lasting Benefits From Radiotherapy on Survival and Local Recurrence Rate

2005 591 citations Joakim Folkesson, Helgi Birgisson et al. Journal of Clinical Oncology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Helgi Birgisson Sweden	23	1.8k	1.4k	472	350	261	72	2.6k
Maurizio Cosimelli Italy	27	1.6k 0.9×	1.1k 0.8×	562 1.2×	422 1.2×	342 1.3×	103	2.5k
Giovanni Aletti Italy	41	809 0.4×	2.3k 1.6×	516 1.1×	509 1.5×	180 0.7×	119	4.9k
Emmanuel Gabriel United States	23	958 0.5×	850 0.6×	525 1.1×	352 1.0×	156 0.6×	121	1.9k
Walid L. Shaib United States	25	1.4k 0.8×	964 0.7×	472 1.0×	552 1.6×	296 1.1×	129	2.5k
Kenjiro Kotake Japan	26	1.9k 1.1×	993 0.7×	771 1.6×	266 0.8×	473 1.8×	116	2.6k
Susumu Kodaira Japan	27	1.3k 0.7×	989 0.7×	781 1.7×	615 1.8×	249 1.0×	155	2.5k
Bhavana Pothuri United States	30	1.2k 0.7×	686 0.5×	363 0.8×	1.1k 3.0×	296 1.1×	203	3.4k
Felix Hilpert Germany	29	1.6k 0.9×	1.0k 0.7×	477 1.0×	762 2.2×	589 2.3×	172	3.9k
Keith F. Fournier United States	27	824 0.5×	1.3k 0.9×	872 1.8×	672 1.9×	165 0.6×	116	2.8k
Dae Young Zang South Korea	27	1.1k 0.6×	593 0.4×	1.3k 2.7×	558 1.6×	206 0.8×	184	2.6k

Countries citing papers authored by Helgi Birgisson

Since Specialization

Citations

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

Fields of papers citing papers by Helgi Birgisson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Helgi Birgisson

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

Johansson, Anna L.V., Anna Skog, Tom Børge Johannesen, et al.. (2025). Changes in cancer incidence and stage during the COVID-19 pandemic in 2020–2021 in the Nordic countries. Acta Oncologica. 64. 257–266.

Njor, Sisse Helle, et al.. (2025). Nordic colorectal cancer screening programmes: A comparison of organization, operation, and quality indicators. European Journal of Cancer. 222. 115444–115444. 1 indexed citations

Santoni, Giola, Cecilia Radkiewicz, Shao-Hua Xie, et al.. (2025). Risk of Gastric Adenocarcinoma After Eradication of Helicobacter pylori. Gastroenterology. 169(2). 244–250.e1. 5 indexed citations

Palmer, Gabriella Jansson, Per J. Nilsson, Caroline Nordenvall, et al.. (2024). Efficacy of hyperthermic intraperitoneal chemotherapy in colorectal cancer: A phase I and III open label randomized controlled registry-based clinical trial protocol. PLoS ONE. 19(3). e0294018–e0294018. 1 indexed citations

Enblad, Malin, et al.. (2023). Signet Ring Cell Colorectal and Appendiceal Cancer: A Small Signet Ring Cell Component Is Also Associated with Poor Outcome. Cancers. 15(9). 2497–2497. 5 indexed citations

Lundberg, Frida E., Helgi Birgisson, Tom Børge Johannesen, et al.. (2022). Survival trends in patients diagnosed with colon and rectal cancer in the nordic countries 1990–2016: The NORDCAN survival studies. European Journal of Cancer. 172. 76–84. 22 indexed citations

Tiwari, Saumya, Andre Kajdacsy‐Balla, Georgina Cheng, et al.. (2021). INFORM: INFrared-based ORganizational Measurements of tumor and its microenvironment to predict patient survival. Science Advances. 7(6). 20 indexed citations

Birgisson, Helgi, Bjarni A. Agnarsson, Þorvaldur Jónsson, et al.. (2020). In situ breast cancer incidence patterns in Iceland and differences in ductal carcinoma in situ treatment compared to Sweden. Scientific Reports. 10(1). 17623–17623. 3 indexed citations

Enblad, Malin, Wilhelm Graf, Alexei Terman, et al.. (2019). Gains of Chromosome 1p and 15q are Associated with Poor Survival After Cytoreductive Surgery and HIPEC for Treating Colorectal Peritoneal Metastases. Annals of Surgical Oncology. 26(13). 4835–4842. 4 indexed citations

10.

Graf, Wilhelm, Peter Cashin, Malin Enblad, et al.. (2019). Prognostic Impact of BRAF and KRAS Mutation in Patients with Colorectal and Appendiceal Peritoneal Metastases Scheduled for CRS and HIPEC. Annals of Surgical Oncology. 27(1). 293–300. 46 indexed citations

11.

Enblad, Malin, Wilhelm Graf, & Helgi Birgisson. (2018). Risk factors for appendiceal and colorectal peritoneal metastases. European Journal of Surgical Oncology. 44(7). 997–1005. 30 indexed citations

12.

Birgisson, Helgi, Konstantinos Tsimogiannis, Eva Freyhult, & Masood Kamali‐Moghaddam. (2018). Plasma Protein Profiling Reveal Osteoprotegerin as a Marker of Prognostic Impact for Colorectal Cancer. Translational Oncology. 11(4). 1034–1043. 8 indexed citations

13.

Larsson, Anna, Sophie Lehn, Sakarias Wangefjord, et al.. (2016). Significant association and synergistic adverse prognostic effect of podocalyxin-like protein and epidermal growth factor receptor expression in colorectal cancer. Journal of Translational Medicine. 14(1). 128–128. 13 indexed citations

14.

Enblad, Malin, et al.. (2015). Importance of Absent Neoplastic Epithelium in Patients Treated With Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy. Annals of Surgical Oncology. 23(4). 1149–1156. 22 indexed citations

15.

Birgisson, Helgi, Karolina Edlund, Ulrik Wallin, et al.. (2015). Microsatellite instability and mutations in BRAF and KRAS are significant predictors of disseminated disease in colon cancer. BMC Cancer. 15(1). 125–125. 34 indexed citations

16.

Peña, Cristina, María Virtudes Céspedes, Maja Bradic Lindh, et al.. (2012). STC1 Expression By Cancer-Associated Fibroblasts Drives Metastasis of Colorectal Cancer. Cancer Research. 73(4). 1287–1297. 145 indexed citations

17.

Birgisson, Helgi, Ulrik Wallin, Lars Holmberg, & Bengt Glimelius. (2011). Survival endpoints in colorectal cancer and the effect of second primary other cancer on disease free survival. BMC Cancer. 11(1). 438–438. 43 indexed citations

18.

Darmanis, Spyros, Rachel Yuan Nong, Helgi Birgisson, et al.. (2011). Multiplexed solid-phase proximity ligation assays: Highly specific and parallel protein measurements with DNA sequencing readout.

19.

Birgisson, Helgi, Lars Påhlman, Ulf Gunnarsson, & Bengt Glimelius. (2005). Adverse Effects of Preoperative Radiation Therapy for Rectal Cancer: Long-Term Follow-Up of the Swedish Rectal Cancer Trial. Journal of Clinical Oncology. 23(34). 8697–8705. 265 indexed citations

20.

Birgisson, Helgi, Páll Helgi Möller, S Birgisson, et al.. (2002). Acute pancreatitis: a prospective study of its incidence, aetiology, severity, and mortality in Iceland. The European Journal of Surgery. 168(5). 278–282. 56 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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