ALEXANDER ROPPER

Concepts (227)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Spinal Fusion
12
2022
107
4.900
Why?
Spinal Cord Injuries
8
2020
309
2.270
Why?
Atlanto-Axial Joint
3
2021
21
1.540
Why?
Pedicle Screws
2
2022
3
1.470
Why?
Spinal Diseases
2
2021
46
1.470
Why?
Bone Transplantation
5
2021
49
1.370
Why?
Spinal Cord Compression
3
2017
30
1.150
Why?
Intervertebral Disc Degeneration
5
2018
13
1.130
Why?
Central Nervous System Vascular Malformations
2
2021
19
1.120
Why?
Spinal Cord Diseases
2
2021
40
1.110
Why?
Lumbar Vertebrae
5
2022
108
1.040
Why?
Surgical Wound Infection
2
2022
265
1.000
Why?
Cervical Vertebrae
7
2021
107
0.980
Why?
Laminectomy
4
2020
26
0.980
Why?
Surgery, Computer-Assisted
2
2022
61
0.950
Why?
Embolization, Therapeutic
2
2021
227
0.950
Why?
Occipital Bone
3
2021
21
0.880
Why?
Neck Pain
1
2022
19
0.820
Why?
Mesenchymal Stem Cell Transplantation
3
2019
80
0.810
Why?
Spinal Cord Neoplasms
3
2019
71
0.790
Why?
Physical Examination
1
2022
163
0.760
Why?
Kyphosis
1
2021
21
0.740
Why?
Surgical Flaps
2
2022
206
0.730
Why?
Tomography, X-Ray Computed
5
2020
2056
0.680
Why?
Radiation Injuries
1
2021
141
0.680
Why?
Spinal Neoplasms
2
2017
59
0.670
Why?
Meningocele
1
2019
20
0.670
Why?
Pseudarthrosis
1
2019
6
0.650
Why?
Neuronavigation
1
2018
7
0.630
Why?
Spondylolisthesis
1
2018
6
0.630
Why?
Postoperative Complications
7
2019
3015
0.620
Why?
Neural Stem Cells
2
2016
126
0.600
Why?
Thoracic Vertebrae
5
2022
66
0.590
Why?
Stem Cell Transplantation
2
2016
238
0.580
Why?
Epidural Abscess
1
2017
9
0.560
Why?
Tissue Scaffolds
4
2019
74
0.560
Why?
Head and Neck Neoplasms
1
2021
481
0.540
Why?
Meningomyelocele
1
2019
236
0.530
Why?
Disease Management
2
2021
516
0.510
Why?
Spinal Cord
3
2018
305
0.490
Why?
Humans
46
2022
123180
0.470
Why?
Genetic Therapy
2
2016
678
0.410
Why?
Angiography
1
2012
215
0.390
Why?
Bone Morphogenetic Proteins
1
2012
124
0.390
Why?
Decompressive Craniectomy
1
2011
13
0.390
Why?
Glioma
1
2016
496
0.390
Why?
Corynebacterium Infections
1
2011
4
0.380
Why?
Neurosurgical Procedures
4
2022
299
0.380
Why?
Body Fluids
1
2011
47
0.380
Why?
Image Interpretation, Computer-Assisted
1
2012
220
0.370
Why?
Drainage
1
2012
257
0.360
Why?
Klippel-Feil Syndrome
2
2020
8
0.360
Why?
Polymorphism, Single Nucleotide
6
2018
2587
0.360
Why?
Ossification of Posterior Longitudinal Ligament
3
2016
3
0.350
Why?
Low Back Pain
2
2022
34
0.350
Why?
Brain Ischemia
2
2012
258
0.340
Why?
Imaging, Three-Dimensional
1
2012
361
0.340
Why?
Abscess
1
2011
138
0.340
Why?
Spine
2
2021
143
0.310
Why?
Female
27
2021
65562
0.300
Why?
Rats, Sprague-Dawley
5
2019
1214
0.290
Why?
Osteoporotic Fractures
2
2018
24
0.290
Why?
Absorbable Implants
2
2018
23
0.290
Why?
Spinal Fractures
2
2018
38
0.280
Why?
Middle Aged
18
2021
26015
0.270
Why?
Male
23
2021
60173
0.270
Why?
Aged
12
2021
19108
0.270
Why?
Hindlimb
2
2017
75
0.260
Why?
Disease Models, Animal
1
2015
4288
0.240
Why?
Stroke
2
2012
956
0.240
Why?
Genetic Predisposition to Disease
5
2017
3080
0.230
Why?
Retrospective Studies
7
2022
16062
0.230
Why?
Transplantation, Autologous
2
2021
297
0.210
Why?
Acute Disease
2
2017
1093
0.210
Why?
Adult
15
2022
29032
0.210
Why?
Rats
4
2019
3651
0.200
Why?
Joint Instability
2
2020
42
0.200
Why?
Diagnosis, Differential
3
2022
1876
0.200
Why?
Hydrocephalus
2
2017
242
0.200
Why?
Lordosis
1
2021
6
0.190
Why?
Neurosurgery
1
2022
76
0.190
Why?
Foramen Magnum
1
2021
5
0.190
Why?
Scapula
1
2021
12
0.190
Why?
Ilium
1
2021
20
0.190
Why?
Fractures, Compression
2
2018
7
0.180
Why?
Cadaver
1
2021
129
0.180
Why?
Ribs
1
2021
45
0.180
Why?
Spinal Stenosis
1
2020
9
0.180
Why?
MicroRNAs
2
2017
829
0.170
Why?
Prospective Studies
2
2022
6029
0.170
Why?
Decompression, Surgical
3
2020
92
0.170
Why?
Subdural Effusion
1
2019
8
0.170
Why?
Polymorphism, Genetic
2
2013
807
0.160
Why?
Coculture Techniques
2
2017
233
0.160
Why?
Contusions
1
2018
17
0.160
Why?
Intraoperative Neurophysiological Monitoring
1
2018
15
0.160
Why?
Therapeutic Irrigation
1
2018
43
0.150
Why?
Thymidylate Synthase
1
2018
22
0.150
Why?
Osteoporosis, Postmenopausal
1
2018
24
0.150
Why?
Arachnoid Cysts
1
2017
8
0.150
Why?
Methylenetetrahydrofolate Reductase (NADPH2)
1
2018
70
0.150
Why?
Dura Mater
1
2017
27
0.150
Why?
Cerebral Ventricle Neoplasms
1
2017
16
0.140
Why?
Hemangioma, Cavernous, Central Nervous System
1
2017
17
0.140
Why?
Third Ventricle
1
2017
29
0.140
Why?
Hemangioma, Cavernous
1
2017
19
0.140
Why?
Polyglycolic Acid
1
2017
27
0.140
Why?
Trauma Severity Indices
1
2017
87
0.140
Why?
Hyaluronic Acid
1
2017
95
0.140
Why?
Craniotomy
2
2020
108
0.140
Why?
Neuroimaging
1
2020
332
0.140
Why?
Chondrosarcoma
1
2016
10
0.140
Why?
Flucytosine
1
2016
17
0.140
Why?
Cytosine Deaminase
1
2016
20
0.140
Why?
Ganglia, Spinal
1
2017
73
0.140
Why?
Locomotion
1
2017
69
0.130
Why?
Thymidine Kinase
1
2016
95
0.130
Why?
Osteotomy
1
2016
39
0.130
Why?
Ganciclovir
1
2016
102
0.130
Why?
Lactic Acid
1
2017
146
0.130
Why?
Fluorouracil
1
2016
128
0.130
Why?
Scoliosis
1
2017
134
0.130
Why?
Spinal Dysraphism
1
2019
265
0.130
Why?
Reoperation
1
2019
818
0.130
Why?
Genetic Engineering
1
2016
161
0.130
Why?
Reflex
1
2015
52
0.120
Why?
Total Disc Replacement
1
2015
2
0.120
Why?
Cervical Cord
1
2015
9
0.120
Why?
Animals
7
2019
33798
0.120
Why?
Joint Prosthesis
1
2015
15
0.120
Why?
Lipopolysaccharides
1
2017
292
0.120
Why?
Bone Diseases, Metabolic
1
2015
54
0.120
Why?
Recovery of Function
1
2017
437
0.120
Why?
Myelin Sheath
1
2015
132
0.120
Why?
Random Allocation
1
2015
426
0.120
Why?
Psychomotor Performance
1
2015
182
0.110
Why?
Case-Control Studies
6
2018
3235
0.110
Why?
Republic of Korea
4
2016
37
0.110
Why?
Population
1
2013
21
0.110
Why?
Vitamin K Epoxide Reductases
1
2013
5
0.110
Why?
Intervertebral Disc Displacement
1
2013
14
0.110
Why?
Xenograft Model Antitumor Assays
1
2016
886
0.110
Why?
Bone Marrow Cells
1
2015
260
0.110
Why?
Radiography
2
2015
822
0.110
Why?
Analysis of Variance
1
2015
1009
0.110
Why?
Magnetic Resonance Imaging
3
2020
3547
0.110
Why?
Blood Patch, Epidural
1
2012
6
0.110
Why?
Intracranial Hypotension
1
2012
10
0.110
Why?
Sesquiterpenes
1
2013
22
0.110
Why?
Alkaloids
1
2013
33
0.100
Why?
Transforming Growth Factor beta1
1
2013
126
0.100
Why?
Urinary Incontinence
1
2012
62
0.100
Why?
Nitric Oxide Synthase Type III
1
2013
220
0.100
Why?
Fecal Incontinence
1
2012
64
0.100
Why?
Melanoma
1
2019
824
0.100
Why?
Internship and Residency
1
2022
1159
0.100
Why?
Vascular Endothelial Growth Factor Receptor-2
1
2012
66
0.100
Why?
Brain Infarction
1
2012
30
0.100
Why?
Vascular Endothelial Growth Factor A
1
2013
413
0.090
Why?
Prognosis
1
2020
4512
0.090
Why?
Aged, 80 and over
1
2021
6375
0.090
Why?
Pain
1
2013
469
0.080
Why?
Genotype
4
2017
2533
0.080
Why?
Back Pain
2
2022
27
0.080
Why?
Inflammation
1
2015
1403
0.070
Why?
Treatment Outcome
6
2017
12142
0.060
Why?
Time Factors
1
2015
6221
0.060
Why?
Pain Measurement
2
2017
358
0.060
Why?
Haplotypes
2
2016
517
0.050
Why?
Gene Frequency
2
2016
715
0.050
Why?
Personnel Staffing and Scheduling
1
2022
79
0.050
Why?
Workload
1
2022
147
0.050
Why?
Atlanto-Occipital Joint
1
2020
6
0.040
Why?
Odontoid Process
1
2020
7
0.040
Why?
Anti-Inflammatory Agents, Non-Steroidal
1
2022
303
0.040
Why?
Alleles
2
2016
1603
0.040
Why?
Bone Wires
1
2019
6
0.040
Why?
Hospitals
1
2022
393
0.040
Why?
Bone Screws
1
2019
51
0.040
Why?
Cell Differentiation
2
2017
1909
0.040
Why?
Polyesters
1
2018
40
0.040
Why?
Polyradiculopathy
1
2017
2
0.040
Why?
Injections, Intralesional
1
2017
47
0.040
Why?
Intervertebral Disc
1
2017
12
0.040
Why?
Lysine
1
2018
198
0.040
Why?
Education, Medical, Graduate
1
2022
507
0.040
Why?
Young Adult
3
2017
8864
0.040
Why?
Neoplasms, Second Primary
1
2019
152
0.040
Why?
3' Untranslated Regions
1
2018
165
0.040
Why?
Follow-Up Studies
2
2017
5040
0.030
Why?
Postmenopause
1
2017
125
0.030
Why?
Water
1
2017
182
0.030
Why?
Headache
1
2017
108
0.030
Why?
Neurologic Examination
1
2016
195
0.030
Why?
Polymers
1
2016
106
0.030
Why?
Cell Engineering
1
2015
21
0.030
Why?
Transcription Factor HES-1
1
2015
16
0.030
Why?
Lewis X Antigen
1
2015
11
0.030
Why?
CD24 Antigen
1
2015
29
0.030
Why?
Dipeptides
1
2015
56
0.030
Why?
Receptor, Notch1
1
2015
65
0.030
Why?
Adipose Tissue
1
2017
464
0.030
Why?
Disability Evaluation
1
2015
190
0.030
Why?
Microscopy, Confocal
1
2015
348
0.030
Why?
Feasibility Studies
1
2016
756
0.030
Why?
Polymorphism, Restriction Fragment Length
1
2013
143
0.030
Why?
Chronic Disease
1
2017
1165
0.030
Why?
Patient Safety
1
2017
395
0.030
Why?
Urinary Bladder Diseases
1
2012
33
0.030
Why?
Survival
1
2012
19
0.030
Why?
Basic Helix-Loop-Helix Transcription Factors
1
2015
381
0.030
Why?
Pilot Projects
1
2016
1389
0.020
Why?
Skin Neoplasms
1
2019
798
0.020
Why?
Glasgow Coma Scale
1
2012
204
0.020
Why?
Homeodomain Proteins
1
2015
544
0.020
Why?
Accidents, Traffic
1
2012
105
0.020
Why?
Subarachnoid Hemorrhage
1
2012
73
0.020
Why?
Models, Biological
1
2016
1442
0.020
Why?
Proteins
1
2016
1037
0.020
Why?
Behavior, Animal
1
2013
476
0.020
Why?
Genetic Association Studies
1
2013
760
0.020
Why?
Sex Factors
1
2013
1261
0.020
Why?
Cells, Cultured
1
2015
3040
0.020
Why?
Brain Injuries
1
2012
762
0.020
Why?
Adolescent
2
2013
19111
0.010
Why?
Brain Neoplasms
1
2012
1236
0.010
Why?
Signal Transduction
1
2015
4494
0.010
Why?
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Concepts (227)
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Co-Authors (17)
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