H. Obertop

6.0k citations

88 papers · 4.2k indexed · h-index 39

Impact in

Pulmonary and Respiratory Medicine top 0.5%
- Gastric Cancer Management and Outcomes
- Gallbladder and Bile Duct Disorders
Surgery top 0.5%
- Esophageal and GI Pathology
- Esophageal Cancer Research and Treatment
- Pancreatitis Pathology and Treatment
- Cholangiocarcinoma and Gallbladder Cancer Studies

Papers in

Surgery 70
- Esophageal Cancer Research and Treatment 26
- Esophageal and GI Pathology 24
- Cholangiocarcinoma and Gallbladder Cancer Studies 11
- Pancreatitis Pathology and Treatment 8
Transplantation 4

Co-authors: J. Jan B. van Lanschot Jan B.F. Hulscher Dirk J. Gouma Thomas M. van Gulik Jan G.P. Tijssen Olivier R. Busch S. M. M. de Castro Johanna W. van Sandick
Journals: British journal of surgery (17 papers)Digestive Surgery (5 papers)Annals of Surgery (5 papers)Cancer (4 papers)The Annals of Thoracic Surgery (4 papers)
Partner nations: Netherlands United States Norway

In The Last Decade

H. Obertop

87 papers receiving 4.0k citations

Peers

Countries citing papers authored by H. Obertop

Since Specialization

Citations

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

Fields of papers citing papers by H. Obertop

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside H. Obertop, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with H. Obertop Line = papers co-authored together H. Obertop links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Extracapsular Lymph Node Involvement in Node-Positive Patients With Adenocarcinoma of the Distal Esophagus or Gastroesophageal Junction The American Journal of Surgical Pathology ·Sjoerd M. Lagarde, Fiebo J.W. ten Kate, Daan J de Boer, Olivier R. Busch, H. Obertop, J.J.B. van Lanschot	2006	57
2	Limitation of diagnostic laparoscopy for patients with a periampullary carcinoma European Journal of Surgical Oncology ·Esther H.B.M. Tilleman, B. W. Kuiken, Saffire S.K.S. Phoa, S. M. M. de Castro, Olivier R. Busch, H. Obertop, Dirk J. Gouma	2004	16
3	Surgery for Unusual Histopathologic Variants of Esophageal Neoplasms: A Report of 23 Cases With Emphasis on Histopathologic Characteristics Annals of Surgical Oncology ·Joost M. Klaase, Jan B.F. Hulscher, G.J.A. Offerhaus, F.J.W. ten Kate, H. Obertop, J. Jan B. van Lanschot	2003	18
4	Emergency medicine in the Netherlands, the necessity for changing the system: results from two questionnaires European Journal of Emergency Medicine ·Anna A. W. van Geloven, Jan S. K. Luitse, M. P. Simons, Beijtje S. Volker, Marjos J. Verbeek, H. Obertop	2003	14
5	Prospective evaluation of anorectal function after total mesorectal excision for rectal carcinoma with or without preoperative radiotherapy The American Journal of Gastroenterology ·P. van Duijvendijk, J. F. M. Slors, C. W. Taat, Willem F. van Tets, Geertjan van Tienhoven, H. Obertop, Guy E. Boeckxstaens	2002	29
6	Indicators of Prognosis After Transhiatal Esophageal Resection Without Thoracotomy for Cancer Journal of the American College of Surgeons ·Johanna W. van Sandick, J. Jan B. van Lanschot, Fiebo J.W. ten Kate, Jan G.P. Tijssen, H. Obertop	2002	54
7	Disturbed Anastomotic Healing after Esophagectomy: A Novel Treatment of a Benign Tracheo-Neo-Esophageal Fistula Digestive Surgery ·Christianne J. Buskens, Frits van Coevorden, H. Obertop, J. Jan B. van Lanschot	2002	7
8	Benign tracheo-neo-esophageal fistulas after subtotal esophagectomy The Annals of Thoracic Surgery ·Christianne J. Buskens, Jan B.F. Hulscher, Paul Fockens, H. Obertop, J. Jan B. van Lanschot	2001	75
9	Hospital volume and hospital mortality for esophagectomy Cancer ·J. Jan B. van Lanschot, Jan B.F. Hulscher, Christianne J. Buskens, Hugo W. Tilanus, Fiebo J.W. ten Kate, H. Obertop	2001	182
10	Computerized quantitative pathology for the grading of dysplasia in surveillance biopsies of Barrett's oesophagus The Journal of Pathology ·Johanna W. van Sandick, Jan P. A. Baak, J. Jan B. van Lanschot, Wojciech Polkowski, Fiebo J.W. ten Kate, H. Obertop, G. Johan A. Offerhaus	2000	44
11	Limited resection for carcinoma of the upper thoracic oesophagus is not a realistic option European Journal of Surgical Oncology ·C.G. Manshanden, Jan B.F. Hulscher, Marina C. Hovius, Paul Fockens, JJB van Lanschot, H. Obertop	2000	8
12	A Surgical and Pathological Based Classification of Resective Treatment of Pancreatic Cancer Digestive Surgery ·Sergio Pedrazzoli, Hans Günther Beger, H. Obertop, Åke Andrén‐Sandberg, Laureano Fernández‐Cruz, Doris Henne‐Bruns, Jütta Lüttges, John P. Neoptolemos	1999	104
13	Staging laparoscopy and laparoscopic ultrasonography in more than 400 patients with upper gastrointestinal carcinoma11No competing interests declared. Journal of the American College of Surgeons ·Els J. Nieveen van Dijkum, L T de Wit, Otto M. van Delden, Philip M. Kruyt, J. Jan B. van Lanschot, Erik A. Rauws, H. Obertop, Dirk J. Gouma	1999	71
14	Treatment of self-referred patients with abdominal complaints by emergency physicians. A prospective observational study in an emergency department in the Netherlands European Journal of Emergency Medicine ·A. A. W. van Geloven, G. M.J. DE VRIES, Menno M. van der Eerden, J. S.K. LUITSE, H. F. W. Hoitsma, H. Obertop	1999	1
15	The standard diagnostic work-up and surgical treatment of pancreatic head tumours European Journal of Surgical Oncology ·Dirk J. Gouma, E.J.M. Nieveen van Dijkum, H. Obertop	1999	54
16	The vascularization of a gastric tube as a substitute for the esophagus is affected by its diameter Diseases of the Esophagus ·J. P. E. N. Pierie, Peter W. de Graaf, J. M. V. van Vroonhoven, H. Obertop	1998	36
17	Prospective study on the value of endosonographic follow-up after surgery for esophageal carcinoma Gastrointestinal Endoscopy ·Paul Fockens, C.G. Manshanden, J. Jan B. van Lanschot, H. Obertop, Guido N.J. Tytgat	1997	29
18	A patient with seven primary tumors of the upper aerodigestive tract: the process of field cancerization versus distant monoclonal expansion Diseases of the Esophagus ·Huib A. Cense, J.J.B. van Lanschot, Paul Fockens, H. Obertop, G. J. A. Offerhaus	1997	3
19	Long-term follow-up after choledochojejunostomy for bile duct stones with complex clearance of the bile duct British journal of surgery ·D. J. Gouma, Joop Konsten, Peter B. Soeters, Maarten von Meyenfeldt, H. Obertop	1989	7
20	Prolonged survival of renal allografts in tissue typed beagles by treatment with ALS and donor bone marrow. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·J Jeekel, H. Obertop, Westbroek Dl, Vriesendorp Hm	1976	1

About H. Obertop

H. Obertop is a scholar working on Surgery, Transplantation, Gastroenterology, Pulmonary and Respiratory Medicine and Oncology, having authored 88 papers that have together received 4.2k indexed citations. Recurring topics across this work include Esophageal Cancer Research and Treatment (26 papers), Pancreatic and Hepatic Oncology Research (26 papers), Esophageal and GI Pathology (24 papers), Gastric Cancer Management and Outcomes (24 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (11 papers), Gallbladder and Bile Duct Disorders (10 papers), Pancreatitis Pathology and Treatment (8 papers) and Neuroendocrine Tumor Research Advances (7 papers). The work is most often cited by research in Pulmonary and Respiratory Medicine (2.7k citations), Surgery (3.4k citations), Oncology (1.8k citations), Gastroenterology (296 citations) and Emergency Medicine (145 citations). H. Obertop has collaborated with scholars based in Netherlands, United States and Norway. Frequent co-authors include J. Jan B. van Lanschot, Jan B.F. Hulscher, Dirk J. Gouma, Thomas M. van Gulik, Jan G.P. Tijssen, Olivier R. Busch, S. M. M. de Castro, Dirk J. Gouma, Johanna W. van Sandick and L T de Wit. Their work appears in journals such as British journal of surgery, Digestive Surgery, Annals of Surgery, Cancer and The Annals of Thoracic Surgery.

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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