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
4.950
Why?
Spinal Cord Injuries
8
2020
311
2.290
Why?
Atlanto-Axial Joint
3
2021
21
1.550
Why?
Pedicle Screws
2
2022
3
1.490
Why?
Spinal Diseases
2
2021
46
1.490
Why?
Bone Transplantation
5
2021
48
1.390
Why?
Spinal Cord Compression
3
2017
30
1.160
Why?
Intervertebral Disc Degeneration
5
2018
13
1.150
Why?
Central Nervous System Vascular Malformations
2
2021
19
1.140
Why?
Spinal Cord Diseases
2
2021
39
1.120
Why?
Lumbar Vertebrae
5
2022
107
1.060
Why?
Surgical Wound Infection
2
2022
258
1.010
Why?
Cervical Vertebrae
7
2021
104
0.990
Why?
Laminectomy
4
2020
26
0.990
Why?
Surgery, Computer-Assisted
2
2022
59
0.970
Why?
Embolization, Therapeutic
2
2021
225
0.960
Why?
Occipital Bone
3
2021
21
0.890
Why?
Neck Pain
1
2022
19
0.830
Why?
Mesenchymal Stem Cell Transplantation
3
2019
78
0.820
Why?
Spinal Cord Neoplasms
3
2019
70
0.800
Why?
Physical Examination
1
2022
163
0.770
Why?
Kyphosis
1
2021
21
0.750
Why?
Surgical Flaps
2
2022
205
0.730
Why?
Tomography, X-Ray Computed
5
2020
2035
0.690
Why?
Radiation Injuries
1
2021
142
0.680
Why?
Spinal Neoplasms
2
2017
59
0.680
Why?
Meningocele
1
2019
20
0.670
Why?
Pseudarthrosis
1
2019
6
0.660
Why?
Neuronavigation
1
2018
7
0.640
Why?
Spondylolisthesis
1
2018
6
0.640
Why?
Postoperative Complications
7
2019
2998
0.630
Why?
Neural Stem Cells
2
2016
126
0.610
Why?
Thoracic Vertebrae
5
2022
66
0.590
Why?
Stem Cell Transplantation
2
2016
239
0.580
Why?
Epidural Abscess
1
2017
9
0.570
Why?
Tissue Scaffolds
4
2019
74
0.570
Why?
Head and Neck Neoplasms
1
2021
468
0.560
Why?
Meningomyelocele
1
2019
222
0.550
Why?
Disease Management
2
2021
513
0.520
Why?
Spinal Cord
3
2018
302
0.500
Why?
Humans
46
2022
122410
0.470
Why?
Genetic Therapy
2
2016
707
0.420
Why?
Angiography
1
2012
214
0.400
Why?
Bone Morphogenetic Proteins
1
2012
124
0.390
Why?
Decompressive Craniectomy
1
2011
13
0.390
Why?
Glioma
1
2016
495
0.390
Why?
Corynebacterium Infections
1
2011
4
0.390
Why?
Neurosurgical Procedures
4
2022
296
0.380
Why?
Body Fluids
1
2011
48
0.380
Why?
Image Interpretation, Computer-Assisted
1
2012
215
0.380
Why?
Drainage
1
2012
254
0.370
Why?
Klippel-Feil Syndrome
2
2020
8
0.360
Why?
Polymorphism, Single Nucleotide
6
2018
2582
0.360
Why?
Ossification of Posterior Longitudinal Ligament
3
2016
3
0.360
Why?
Low Back Pain
2
2022
33
0.350
Why?
Brain Ischemia
2
2012
258
0.350
Why?
Imaging, Three-Dimensional
1
2012
353
0.350
Why?
Abscess
1
2011
138
0.350
Why?
Spine
2
2021
148
0.310
Why?
Female
27
2021
64958
0.300
Why?
Rats, Sprague-Dawley
5
2019
1214
0.300
Why?
Osteoporotic Fractures
2
2018
23
0.290
Why?
Absorbable Implants
2
2018
24
0.290
Why?
Spinal Fractures
2
2018
37
0.280
Why?
Middle Aged
18
2021
25591
0.280
Why?
Male
23
2021
59592
0.270
Why?
Aged
12
2021
18781
0.270
Why?
Hindlimb
2
2017
76
0.260
Why?
Disease Models, Animal
1
2015
4313
0.240
Why?
Stroke
2
2012
956
0.240
Why?
Genetic Predisposition to Disease
5
2017
3073
0.240
Why?
Retrospective Studies
7
2022
15879
0.230
Why?
Transplantation, Autologous
2
2021
300
0.210
Why?
Acute Disease
2
2017
1092
0.210
Why?
Adult
15
2022
28746
0.210
Why?
Rats
4
2019
3660
0.210
Why?
Hydrocephalus
2
2017
236
0.210
Why?
Joint Instability
2
2020
41
0.200
Why?
Diagnosis, Differential
3
2022
1874
0.200
Why?
Lordosis
1
2021
6
0.190
Why?
Neurosurgery
1
2022
77
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
132
0.180
Why?
Ribs
1
2021
51
0.180
Why?
Spinal Stenosis
1
2020
9
0.180
Why?
Prospective Studies
2
2022
5974
0.170
Why?
MicroRNAs
2
2017
837
0.170
Why?
Decompression, Surgical
3
2020
97
0.170
Why?
Subdural Effusion
1
2019
8
0.170
Why?
Polymorphism, Genetic
2
2013
804
0.160
Why?
Coculture Techniques
2
2017
234
0.160
Why?
Contusions
1
2018
16
0.160
Why?
Intraoperative Neurophysiological Monitoring
1
2018
15
0.160
Why?
Therapeutic Irrigation
1
2018
43
0.160
Why?
Thymidylate Synthase
1
2018
21
0.150
Why?
Osteoporosis, Postmenopausal
1
2018
23
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
28
0.140
Why?
Hemangioma, Cavernous
1
2017
19
0.140
Why?
Polyglycolic Acid
1
2017
27
0.140
Why?
Trauma Severity Indices
1
2017
84
0.140
Why?
Hyaluronic Acid
1
2017
95
0.140
Why?
Neuroimaging
1
2020
329
0.140
Why?
Chondrosarcoma
1
2016
10
0.140
Why?
Craniotomy
2
2020
108
0.140
Why?
Flucytosine
1
2016
17
0.140
Why?
Cytosine Deaminase
1
2016
21
0.140
Why?
Ganglia, Spinal
1
2017
73
0.140
Why?
Locomotion
1
2017
68
0.140
Why?
Thymidine Kinase
1
2016
102
0.140
Why?
Osteotomy
1
2016
41
0.130
Why?
Ganciclovir
1
2016
105
0.130
Why?
Lactic Acid
1
2017
146
0.130
Why?
Fluorouracil
1
2016
140
0.130
Why?
Scoliosis
1
2017
134
0.130
Why?
Reoperation
1
2019
807
0.130
Why?
Spinal Dysraphism
1
2019
262
0.130
Why?
Genetic Engineering
1
2016
159
0.130
Why?
Reflex
1
2015
52
0.130
Why?
Total Disc Replacement
1
2015
2
0.130
Why?
Cervical Cord
1
2015
9
0.120
Why?
Joint Prosthesis
1
2015
12
0.120
Why?
Animals
7
2019
33888
0.120
Why?
Lipopolysaccharides
1
2017
292
0.120
Why?
Bone Diseases, Metabolic
1
2015
55
0.120
Why?
Random Allocation
1
2015
415
0.120
Why?
Recovery of Function
1
2017
433
0.120
Why?
Myelin Sheath
1
2015
133
0.120
Why?
Psychomotor Performance
1
2015
188
0.120
Why?
Republic of Korea
4
2016
37
0.110
Why?
Case-Control Studies
6
2018
3231
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
873
0.110
Why?
Radiography
2
2015
807
0.110
Why?
Magnetic Resonance Imaging
3
2020
3456
0.110
Why?
Bone Marrow Cells
1
2015
261
0.110
Why?
Analysis of Variance
1
2015
995
0.110
Why?
Blood Patch, Epidural
1
2012
5
0.110
Why?
Intracranial Hypotension
1
2012
10
0.110
Why?
Sesquiterpenes
1
2013
22
0.110
Why?
Alkaloids
1
2013
32
0.110
Why?
Transforming Growth Factor beta1
1
2013
127
0.100
Why?
Urinary Incontinence
1
2012
69
0.100
Why?
Nitric Oxide Synthase Type III
1
2013
221
0.100
Why?
Fecal Incontinence
1
2012
69
0.100
Why?
Internship and Residency
1
2022
1154
0.100
Why?
Vascular Endothelial Growth Factor Receptor-2
1
2012
66
0.100
Why?
Brain Infarction
1
2012
30
0.100
Why?
Melanoma
1
2019
836
0.100
Why?
Vascular Endothelial Growth Factor A
1
2013
414
0.090
Why?
Prognosis
1
2020
4492
0.090
Why?
Aged, 80 and over
1
2021
6303
0.090
Why?
Pain
1
2013
446
0.080
Why?
Genotype
4
2017
2534
0.080
Why?
Back Pain
2
2022
27
0.080
Why?
Inflammation
1
2015
1398
0.080
Why?
Treatment Outcome
6
2017
12036
0.060
Why?
Time Factors
1
2015
6176
0.060
Why?
Pain Measurement
2
2017
329
0.060
Why?
Haplotypes
2
2016
513
0.050
Why?
Gene Frequency
2
2016
707
0.050
Why?
Personnel Staffing and Scheduling
1
2022
78
0.050
Why?
Workload
1
2022
146
0.050
Why?
Atlanto-Occipital Joint
1
2020
6
0.050
Why?
Odontoid Process
1
2020
7
0.040
Why?
Anti-Inflammatory Agents, Non-Steroidal
1
2022
302
0.040
Why?
Alleles
2
2016
1594
0.040
Why?
Bone Wires
1
2019
6
0.040
Why?
Hospitals
1
2022
397
0.040
Why?
Bone Screws
1
2019
52
0.040
Why?
Cell Differentiation
2
2017
1936
0.040
Why?
Polyesters
1
2018
40
0.040
Why?
Polyradiculopathy
1
2017
2
0.040
Why?
Injections, Intralesional
1
2017
48
0.040
Why?
Intervertebral Disc
1
2017
12
0.040
Why?
Lysine
1
2018
200
0.040
Why?
Education, Medical, Graduate
1
2022
507
0.040
Why?
Young Adult
3
2017
8805
0.040
Why?
Neoplasms, Second Primary
1
2019
152
0.040
Why?
3' Untranslated Regions
1
2018
166
0.040
Why?
Follow-Up Studies
2
2017
4987
0.040
Why?
Postmenopause
1
2017
117
0.030
Why?
Water
1
2017
180
0.030
Why?
Headache
1
2017
107
0.030
Why?
Neurologic Examination
1
2016
196
0.030
Why?
Polymers
1
2016
106
0.030
Why?
Cell Engineering
1
2015
21
0.030
Why?
Transcription Factor HES-1
1
2015
18
0.030
Why?
Lewis X Antigen
1
2015
11
0.030
Why?
CD24 Antigen
1
2015
30
0.030
Why?
Dipeptides
1
2015
56
0.030
Why?
Receptor, Notch1
1
2015
66
0.030
Why?
Adipose Tissue
1
2017
444
0.030
Why?
Disability Evaluation
1
2015
183
0.030
Why?
Microscopy, Confocal
1
2015
347
0.030
Why?
Feasibility Studies
1
2016
747
0.030
Why?
Polymorphism, Restriction Fragment Length
1
2013
142
0.030
Why?
Chronic Disease
1
2017
1166
0.030
Why?
Patient Safety
1
2017
390
0.030
Why?
Urinary Bladder Diseases
1
2012
35
0.030
Why?
Survival
1
2012
19
0.030
Why?
Basic Helix-Loop-Helix Transcription Factors
1
2015
379
0.030
Why?
Pilot Projects
1
2016
1364
0.020
Why?
Skin Neoplasms
1
2019
801
0.020
Why?
Glasgow Coma Scale
1
2012
200
0.020
Why?
Homeodomain Proteins
1
2015
547
0.020
Why?
Accidents, Traffic
1
2012
99
0.020
Why?
Subarachnoid Hemorrhage
1
2012
74
0.020
Why?
Models, Biological
1
2016
1439
0.020
Why?
Proteins
1
2016
1041
0.020
Why?
Behavior, Animal
1
2013
477
0.020
Why?
Genetic Association Studies
1
2013
756
0.020
Why?
Sex Factors
1
2013
1236
0.020
Why?
Cells, Cultured
1
2015
3076
0.020
Why?
Brain Injuries
1
2012
760
0.020
Why?
Adolescent
2
2013
18984
0.010
Why?
Brain Neoplasms
1
2012
1222
0.010
Why?
Signal Transduction
1
2015
4511
0.010
Why?
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Concepts (227)
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Co-Authors (17)
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