Thomas L. Bollen

14.4k citations

67 papers · 3.3k indexed · 2 hit papers · h-index 28

Surgery top 0.5%
Oncology top 1%
Pulmonary and Respiratory Medicine top 2%
Emergency Medicine top 1%
Epidemiology

Co-authors: Marc G. Besselink Hjalmar C. van Santvoort Hein G. Gooszen Olaf J. Bakker Bert van Ramshorst Marja A. Boermeester Karen D. Horvath Casper H.J. van Eijck
Topics: Pancreatitis Pathology and Treatment (53 papers)Pancreatic and Hepatic Oncology Research (34 papers)Gastrointestinal disorders and treatments (20 papers)
Cited by: Oncology Surgery Emergency Medicine
Journals: JAMA Gastroenterology PLoS ONE
Partner nations: Netherlands United States Germany

In The Last Decade

Thomas L. Bollen

62 papers receiving 3.3k 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.

Endoscopic Transgastric vs Surgical Necrosectomy for Infected Necrotizing Pancreatitis

2012 463 citations Olaf J. Bakker, Hjalmar C. van Santvoort et al. JAMA profile →
Impact of characteristics of organ failure and infected necrosis on mortality in necrotising pancreatitis

2018 276 citations Nicolien J. Schepers, Olaf J. Bakker et al. Gut profile →

Peers

Countries citing papers authored by Thomas L. Bollen

Since Specialization

Citations

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

Fields of papers citing papers by Thomas L. Bollen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas L. Bollen. 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 Thomas L. Bollen. The network helps show where Thomas L. Bollen may publish in the future.

Co-authorship network of co-authors of Thomas L. Bollen

This figure shows the co-authorship network connecting the top 25 collaborators of Thomas L. Bollen. A scholar is included among the top collaborators of Thomas L. Bollen 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 Thomas L. Bollen. Thomas L. Bollen 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

#	Work	Indexed citations
1	Splanchnic vein thrombosis in necrotizing pancreatitis: a post-hoc analysis of a nationwide prospective cohort 2024 ·HPB ·(unknown),Hester C. Timmerhuis,Jesse V. Groen,(unknown),Marc G. Besselink,Bas Boekestijn,Thomas L. Bollen,Bert A. Bonsing,Stefan A.W. Bouwense,Wouter L. Hazen,Frederikus A. Klok,Hjalmar C. van Santvoort,Casper H.J. van Eijck,Robert C. Verdonk,J. Sven D. Mieog,Jeanin E. van Hooft	2
2	Therapeutic anticoagulation for splanchnic vein thrombosis in acute pancreatitis: A systematic review and meta-analysis 2021 ·Pancreatology ·(unknown),Jesse V. Groen,(unknown),Frederikus A. Klok,Bas Boekestijn,Thomas L. Bollen,Hjalmar C. van Santvoort,Robert C. Verdonk,Bert A. Bonsing,Casper H.J. van Eijck,Jeanin E. van Hooft,J. Sven D. Mieog	21
3	Various Modalities Accurate in Diagnosing a Disrupted or Disconnected Pancreatic Duct in Acute Pancreatitis: A Systematic Review 2020 ·Digestive Diseases and Sciences ·Hester C. Timmerhuis,Sven M. van Dijk,Robert C. Verdonk,Thomas L. Bollen,Marco J. Bruno,Paul Fockens,Jeanin E. van Hooft,Rogier P. Voermans,Marc G. Besselink,Hjalmar C. van Santvoort,(unknown)	27
4	Impact of characteristics of organ failure and infected necrosis on mortality in necrotising pancreatitisbreakdown → 2018 ·Gut ·Nicolien J. Schepers,Olaf J. Bakker,Marc G. Besselink,Usama Ahmed Ali,Thomas L. Bollen,Hein G. Gooszen,Hjalmar C. van Santvoort,Marco J. Bruno	276
5	Predicting a ‘difficult cholecystectomy’ after mild gallstone pancreatitis 2018 ·HPB ·David W. da Costa,Nicolien J. Schepers,Stefan A.W. Bouwense,Robbert A. Hollemans,Hjalmar C. van Santvoort,Thomas L. Bollen,Esther C. J. Consten,Harry van Goor,Sijbrand Hofker,Hein G. Gooszen,Djamila Boerma,Marc G. Besselink	23
6	The lateral femoral notch sign: a reliable diagnostic measurement in acute anterior cruciate ligament injury 2018 ·Knee Surgery Sports Traumatology Arthroscopy ·(unknown),Diyar Delawi,Thomas L. Bollen,(unknown),Nienke Wolterbeek,Jacco A. C. Zijl	16
7	Natural History of Gas Configurations and Encapsulation in Necrotic Collections During Necrotizing Pancreatitis 2018 ·Journal of Gastrointestinal Surgery ·Janneke van Grinsven,Sandra van Brunschot,Mark C. van Baal,Marc G. Besselink,Paul Fockens,Harry van Goor,Hjalmar C. van Santvoort,Thomas L. Bollen	39
8	The association between portal system vein diameters and outcomes in acute pancreatitis 2018 ·Pancreatology ·(unknown),(unknown),David W. da Costa,Wietske Kievit,Hjalmar C. van Santvoort,Marc G. Besselink,Paul Fockens,Marco J. Bruno,Jeroen J. Kolkman,Joost P.H. Drenth,Thomas L. Bollen,Erwin J. M. van Geenen	2
9	The Association of Computed Tomography-Assessed Body Composition with Mortality in Patients with Necrotizing Pancreatitis 2017 ·Journal of Gastrointestinal Surgery ·Janneke van Grinsven,Jeroen L.A. van Vugt,Arvind Gharbharan,Thomas L. Bollen,Marc G. Besselink,Hjalmar C. van Santvoort,Casper H.J. van Eijck,Djamila Boerma	26
10	Skeletal Muscle Depletion is Associated with Severe Postoperative Complications in Patients Undergoing Cytoreductive Surgery with Hyperthermic Intraperitoneal Chemotherapy for Peritoneal Carcinomatosis of Colorectal Cancer 2015 ·Annals of Surgical Oncology ·Jeroen L.A. van Vugt,H.J. Braam,Thijs R. van Oudheusden,(unknown),Thomas L. Bollen,Marinus J. Wiezer,Ignace H. J. T. de Hingh,Bert van Ramshorst,Djamila Boerma	75
11	Compromised visceral circulation does not affect the outcome of colorectal surgery 2013 ·Surgery Today ·Verena N. N. Kornmann,(unknown),Thomas L. Bollen,Bert van Ramshorst,Djamila Boerma	12
12	The role of routine fine-needle aspiration in the diagnosis of infected necrotizing pancreatitis 2013 ·Surgery ·Mark C. van Baal,Thomas L. Bollen,Olaf J. Bakker,Harry van Goor,Marja A. Boermeester,C. Dejong,Hein G. Gooszen,Erwin van der Harst,Casper H.J. van Eijck,Hjalmar C. van Santvoort,Marc G. Besselink	78
13	Treatment of Necrotizing Pancreatitis 2012 ·Clinical Gastroenterology and Hepatology ·Sandra van Brunschot,Olaf J. Bakker,Marc G. Besselink,Thomas L. Bollen,Paul Fockens,Hein G. Gooszen,Hjalmar C. van Santvoort	84
14	Endoscopic Transgastric vs Surgical Necrosectomy for Infected Necrotizing Pancreatitisbreakdown → 2012 ·JAMA ·Olaf J. Bakker,Hjalmar C. van Santvoort,Sandra van Brunschot,Ronald B. Geskus,Marc G. Besselink,Thomas L. Bollen,Casper H.J. van Eijck,Paul Fockens,Eric J. Hazebroek,Rian M. Nijmeijer,Jan‐Werner Poley,Bert van Ramshorst,Frank P. Vleggaar,Marja A. Boermeester,Hein G. Gooszen,Bas L. Weusten,Robin Timmer,(unknown)	463
15	Extrapancreatic necrosis without pancreatic parenchymal necrosis: a separate entity in necrotising pancreatitis? 2012 ·Gut ·Olaf J. Bakker,Hjalmar van Santvoort,Marc G. Besselink,Marja A. Boermeester,Casper H.J. van Eijck,(unknown),Harry van Goor,Sijbrand Hofker,Usama Ahmed Ali,Hein G. Gooszen,Thomas L. Bollen,(unknown)	94
16	Large Gluteal Abscesses as a Complication of Transgluteal Drainage of Pelvic Abscesses: Analysis of Three Cases and a Search of the Literature 2009 ·Digestive Surgery ·(unknown),D. Boerma,Thomas L. Bollen,Bert van Ramshorst,Marinus J. Wiezer	14
17	Videoscopic assisted retroperitoneal debridement in infected necrotizing pancreatitis 2007 ·HPB ·Hjalmar C. van Santvoort,Marc G. Besselink,Karen D. Horvath,Mika Sinanan,Thomas L. Bollen,Bert van Ramshorst,Hein G. Gooszen,(unknown)	90
18	Massive portal vein thrombosis and kidney rupture following blunt abdominal trauma: A diagnostic and therapeutic dilemma 2007 ·Injury Extra ·(unknown),(unknown),Marc G. Besselink,Thomas L. Bollen,Jan Albert Vos,M.G. Onaca,M. J. M. Segers	3
19	Bleeding sarcoma of the aorta mimicking a symptomatic aneurysm 2007 ·Journal of Thoracic and Cardiovascular Surgery ·Bart P. van Putte,Thomas L. Bollen,Marc Schepens	7
20	Update on Acute Pancreatitis: Ultrasound, Computed Tomography, and Magnetic Resonance Imaging Features 2007 ·Seminars in Ultrasound CT and MRI ·Thomas L. Bollen,Hjalmar C. van Santvoort,Marc G. Besselink,(unknown),Hein G. Gooszen,Maarten S. van Leeuwen	48

About Thomas L. Bollen

Thomas L. Bollen is a scholar working on Surgery, Oncology and Emergency Medicine, having authored 67 papers that have together received 3.3k indexed citations. Recurring topics across this work include Pancreatitis Pathology and Treatment (53 papers), Pancreatic and Hepatic Oncology Research (34 papers) and Gastrointestinal disorders and treatments (20 papers). The work is most often cited by research in Oncology (2.2k citations), Surgery (3.1k citations) and Emergency Medicine (593 citations). Thomas L. Bollen has collaborated with scholars based in Netherlands, United States and Germany. Frequent co-authors include Marc G. Besselink, Hjalmar C. van Santvoort, Hein G. Gooszen, Olaf J. Bakker, Bert van Ramshorst, Marja A. Boermeester, Karen D. Horvath, Casper H.J. van Eijck, Usama Ahmed Ali and Mark C. van Baal. Their work appears in journals such as JAMA, Gastroenterology and PLoS ONE.

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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