Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.
Surgery
Metrics
H-Index
i10 Index
Citation
162
1,305
115,895
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
Metrics
H-Index
i10 Index
Citation
115
386
41,779
* Rankings
Ranking Based On Selection :3
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
Metrics
H-Index
i10 Index
Citation
83
331
26,058
* Rankings
Ranking Based On Selection :4
Surgery
Cancer
Metrics
H-Index
i10 Index
Citation
74
211
18,324
* Rankings
Ranking Based On Selection :5
surgery
obesity
artificial intelligence
philosophy
diabetes
Metrics
H-Index
i10 Index
Citation
72
279
23,944
* Rankings
Ranking Based On Selection :6
surgery
robotics
digital health
AI & ML in healthcare
obesity
Metrics
H-Index
i10 Index
Citation
62
153
13,707
* Rankings
Ranking Based On Selection :7
Endoscopy
Surgical Imaging
Polarization-resolved Endoscopy
Multispectral Endoscopy
Image-Guided Intervention
Metrics
H-Index
i10 Index
Citation
51
133
9,551
* Rankings
Ranking Based On Selection :8
bariatric surgery
microbial function
colon cancer
diet
Metrics
H-Index
i10 Index
Citation
40
77
9,420
* Rankings
Ranking Based On Selection :9
Colorectal Cancer
Pelvic exenterative surgery
Robotic Surgery
Pelvic floor disorders
Metrics
H-Index
i10 Index
Citation
38
113
7,396
* Rankings
Ranking Based On Selection :10
Colorectal Cancer
Colorectal Surgery
Medical leadership and management
hernia and abdominal wall reconstruction
Metrics
H-Index
i10 Index
Citation
37
89
10,066
* Rankings
Ranking Based On Selection :11
HPB Surgery
Liver and Pancreatic Cancer
Metrics
H-Index
i10 Index
Citation
35
63
6,708
* Rankings
Ranking Based On Selection :12
Surgical innovation
Cognitive load assessment
Neural Engineering Brain computer Interfaces
Machine learning Artificial intell
Metrics
H-Index
i10 Index
Citation
34
125
6,663
* Rankings
Ranking Based On Selection :13
Trauma
Acute Care Surgery
Damage Control Resuscitation
General Surgery
Metrics
H-Index
i10 Index
Citation
30
64
4,249
* Rankings
Ranking Based On Selection :14
Surgical epidemiology
Colorectal Surgery
Surgical Quality
Metrics
H-Index
i10 Index
Citation
29
49
3,567
* Rankings
Ranking Based On Selection :15
Colorectal surgery
Neurogastroenterology
Metrics
H-Index
i10 Index
Citation
27
36
2,781
* Rankings
Ranking Based On Selection :16
Colorectal Cancer Diagnostics & Imaging
Colorectal Surgery
Trauma & Emergency Surgery
Metrics
H-Index
i10 Index
Citation
25
39
2,008
* Rankings
Ranking Based On Selection :17
Surgery
Patient Safety
Simulation
Technology
mHealth
Metrics
H-Index
i10 Index
Citation
23
36
8,151
* Rankings
Ranking Based On Selection :18
Surgery
General Surgery
Surgical Technology
Medicine
Cancer
Metrics
H-Index
i10 Index
Citation
20
27
5,487
* Rankings
Ranking Based On Selection :19
Surgery
Anaesthesia
Cancer
Metrics
H-Index
i10 Index
Citation
19
23
2,293
* Rankings
Ranking Based On Selection :20
Surgery
Metrics
H-Index
i10 Index
Citation
19
33
1,759
* Rankings
Ranking Based On Selection :21
Surgery
Metrics
H-Index
i10 Index
Citation
19
30
3,428
* Rankings
Ranking Based On Selection :22
Surgery
Metrics
H-Index
i10 Index
Citation
19
21
1,856
* Rankings
Ranking Based On Selection :23
Metrics
H-Index
i10 Index
Citation
18
26
1,690
* Rankings
Ranking Based On Selection :24
Colorectal Surgery
Colorectal cancer
Biomarkers
Novel therapeutics.
Metrics
H-Index
i10 Index
Citation
18
23
1,012
* Rankings
Ranking Based On Selection :25
Surgery
Laparoscopy
Outcome
Metrics
H-Index
i10 Index
Citation
18
21
2,147
* Rankings
Ranking Based On Selection :26
implementation science
qualitative health research
translational science
translational research
Metrics
H-Index
i10 Index
Citation
15
21
1,132
* Rankings
Ranking Based On Selection :27
General Surgery
Upper GI Surgery
Bariatric Surgery
Metrics
H-Index
i10 Index
Citation
14
19
1,453
* Rankings
Ranking Based On Selection :28
Surgery
Quality Improvement
Intestinal/Colorectal Disease
Metrics
H-Index
i10 Index
Citation
8
8
881
* Rankings
Ranking Based On Selection :29
General Surgery
sensors
enhanced recovery
Metrics
H-Index
i10 Index
Citation
7
6
259
* Rankings
Ranking Based On Selection :30
Surgery
Metrics
H-Index
i10 Index
Citation
6
6
259
* Rankings
Ranking Based On Selection :31
Surgery
Metrics
H-Index
i10 Index
Citation
6
6
203
* Rankings
Ranking Based On Selection :32
Surgery
cognitive workload
Metrics
H-Index
i10 Index
Citation
4
3
93
* Rankings
Ranking Based On Selection :33
Surgery
Healthcare
Metrics
H-Index
i10 Index
Citation
4
2
89
* Rankings
Ranking Based On Selection :34
Surgery
Metrics
H-Index
i10 Index
Citation
2
0
11
Ara Darzi
Metrics
H-Index
i10 Index
Citation Counts
162
1,305
115,895
Paris Tekkis
Metrics
H-Index
i10 Index
Citation Counts
115
386
41,779
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
George B Hanna
Metrics
H-Index
i10 Index
Citation Counts
83
331
26,058
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
Sheraz Markar
Metrics
H-Index
i10 Index
Citation Counts
74
211
18,324
Hutan Ashrafian
Metrics
H-Index
i10 Index
Citation Counts
72
279
23,944
surgery
obesity
artificial intelligence
philosophy
diabetes
Sanjay Purkayastha
Metrics
H-Index
i10 Index
Citation Counts
62
153
13,707
surgery
robotics
digital health
AI & ML in healthcare
obesity
Dan S Elson
Metrics
H-Index
i10 Index
Citation Counts
51
133
9,551
Endoscopy
Surgical Imaging
Polarization-resolved Endoscopy
Multispectral Endoscopy
Image-Guided Intervention
Jia Li
Metrics
H-Index
i10 Index
Citation Counts
40
77
9,420
bariatric surgery
microbial function
colon cancer
diet
Christos Kontovounisios
Metrics
H-Index
i10 Index
Citation Counts
38
113
7,396
Colorectal Cancer
Pelvic exenterative surgery
Robotic Surgery
Pelvic floor disorders
Oliver Warren
Metrics
H-Index
i10 Index
Citation Counts
37
89
10,066
Colorectal Cancer
Colorectal Surgery
Medical leadership and management
hernia and abdominal wall reconstruction
Madhava Pai
Metrics
H-Index
i10 Index
Citation Counts
35
63
6,708
HPB Surgery
Liver and Pancreatic Cancer
Harsimrat Singh
Metrics
H-Index
i10 Index
Citation Counts
34
125
6,663
Surgical innovation
Cognitive load assessment
Neural Engineering Brain computer Interfaces
Machine learning Artificial intell
Mansoor Khan
Metrics
H-Index
i10 Index
Citation Counts
30
64
4,249
Trauma
Acute Care Surgery
Damage Control Resuscitation
General Surgery
Elaine Burns
Metrics
H-Index
i10 Index
Citation Counts
29
49
3,567
Surgical epidemiology
Colorectal Surgery
Surgical Quality
Emma V Carrington
Metrics
H-Index
i10 Index
Citation Counts
27
36
2,781
Colorectal surgery
Neurogastroenterology
Nigel D Souza
Metrics
H-Index
i10 Index
Citation Counts
25
39
2,008
Colorectal Cancer Diagnostics & Imaging
Colorectal Surgery
Trauma & Emergency Surgery
Max Johnston
Metrics
H-Index
i10 Index
Citation Counts
23
36
8,151
Surgery
Patient Safety
Simulation
Technology
mHealth
Shobhit Arya
Metrics
H-Index
i10 Index
Citation Counts
20
27
5,487
Surgery
General Surgery
Surgical Technology
Medicine
Cancer
Ankur Khajuria
Metrics
H-Index
i10 Index
Citation Counts
19
33
1,759
Mátyás Fehérvári
Metrics
H-Index
i10 Index
Citation Counts
19
30
3,428
Alex Almoudaris
Metrics
H-Index
i10 Index
Citation Counts
19
21
1,856
Christoph Kittl
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,690
Shengyang Qiu
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,012
Colorectal Surgery
Colorectal cancer
Biomarkers
Novel therapeutics.
Ravikrishna Mamidanna
Metrics
H-Index
i10 Index
Citation Counts
18
21
2,147
Surgery
Laparoscopy
Outcome
Patrick Kierkegaard
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,132
implementation science
qualitative health research
translational science
translational research
Myutan Kulendran
Metrics
H-Index
i10 Index
Citation Counts
14
19
1,453
General Surgery
Upper GI Surgery
Bariatric Surgery
Pritesh Morar
Metrics
H-Index
i10 Index
Citation Counts
8
8
881
Surgery
Quality Improvement
Intestinal/Colorectal Disease
Aliza Abeles
Metrics
H-Index
i10 Index
Citation Counts
7
6
259
General Surgery
sensors
enhanced recovery
Bartosz Szyszka
Metrics
H-Index
i10 Index
Citation Counts
6
6
259
Amjad Belramman
Metrics
H-Index
i10 Index
Citation Counts
6
6
203
Mohammad A Fallaha
Metrics
H-Index
i10 Index
Citation Counts
4
2
89
Emmanuel Manolis Giannas
Metrics
H-Index
i10 Index
Citation Counts
2
0
11