 Andrew Callen
Concepts (199)
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?
|
|---|
| Intracranial Hypotension | 20 | 2026 | 65 | 13.550 |
Why?
| | Cerebrospinal Fluid Leak | 18 | 2026 | 70 | 8.390 |
Why?
| | Blood Patch, Epidural | 7 | 2026 | 22 | 5.370 |
Why?
| | Myelography | 12 | 2026 | 44 | 4.950 |
Why?
| | Fistula | 6 | 2025 | 49 | 4.030 |
Why?
| | Tomography, X-Ray Computed | 19 | 2025 | 2770 | 3.020 |
Why?
| | Dura Mater | 3 | 2026 | 40 | 2.710 |
Why?
| | Magnetic Resonance Imaging | 26 | 2026 | 3916 | 2.580 |
Why?
| | Neuroimaging | 8 | 2026 | 300 | 1.810 |
Why?
| | Headache | 5 | 2026 | 151 | 1.640 |
Why?
| | Spine | 3 | 2023 | 182 | 1.520 |
Why?
| | White Matter | 3 | 2025 | 155 | 1.420 |
Why?
| | Radiology | 3 | 2022 | 174 | 1.230 |
Why?
| | Head | 2 | 2022 | 123 | 1.220 |
Why?
| | Cerebrovascular Disorders | 2 | 2021 | 105 | 1.200 |
Why?
| | Fibrin Tissue Adhesive | 2 | 2025 | 20 | 1.100 |
Why?
| | Radiography, Interventional | 2 | 2025 | 128 | 1.040 |
Why?
| | Brain Ischemia | 2 | 2021 | 359 | 1.020 |
Why?
| | Diverticulum | 1 | 2026 | 15 | 0.960 |
Why?
| | Cerebrospinal Fluid Pressure | 1 | 2026 | 5 | 0.950 |
Why?
| | Cerebrovascular Circulation | 4 | 2023 | 290 | 0.950 |
Why?
| | Sacrum | 1 | 2026 | 80 | 0.930 |
Why?
| | Pseudotumor Cerebri | 1 | 2026 | 32 | 0.920 |
Why?
| | Goldenhar Syndrome | 1 | 2025 | 11 | 0.910 |
Why?
| | Spinal Nerve Roots | 1 | 2025 | 29 | 0.910 |
Why?
| | Cranial Fossa, Middle | 1 | 2025 | 19 | 0.900 |
Why?
| | Meninges | 1 | 2026 | 49 | 0.900 |
Why?
| | Humans | 64 | 2026 | 145783 | 0.900 |
Why?
| | Stroke | 4 | 2023 | 1271 | 0.890 |
Why?
| | Patient Positioning | 1 | 2025 | 70 | 0.860 |
Why?
| | Embolism, Air | 1 | 2024 | 14 | 0.850 |
Why?
| | Osteoarthritis, Spine | 1 | 2024 | 3 | 0.850 |
Why?
| | Cerebral Infarction | 1 | 2024 | 47 | 0.850 |
Why?
| | Intracranial Embolism | 1 | 2024 | 34 | 0.850 |
Why?
| | Headache Disorders | 1 | 2024 | 19 | 0.810 |
Why?
| | Cerebral Revascularization | 2 | 2020 | 22 | 0.800 |
Why?
| | Post-Dural Puncture Headache | 1 | 2023 | 5 | 0.790 |
Why?
| | Hemosiderosis | 1 | 2023 | 2 | 0.770 |
Why?
| | Adult | 24 | 2026 | 40881 | 0.770 |
Why?
| | Fibrin | 1 | 2023 | 84 | 0.760 |
Why?
| | Hyperemia | 1 | 2023 | 49 | 0.740 |
Why?
| | Middle Aged | 21 | 2026 | 36309 | 0.730 |
Why?
| | Retrospective Studies | 18 | 2026 | 17330 | 0.730 |
Why?
| | Intracranial Arteriosclerosis | 1 | 2021 | 8 | 0.660 |
Why?
| | Feminization | 1 | 2020 | 6 | 0.660 |
Why?
| | Female | 31 | 2026 | 79045 | 0.660 |
Why?
| | Facial Bones | 1 | 2020 | 28 | 0.650 |
Why?
| | Vasculitis | 1 | 2021 | 69 | 0.630 |
Why?
| | Radiology Information Systems | 1 | 2020 | 35 | 0.630 |
Why?
| | Carotid Artery Diseases | 1 | 2020 | 70 | 0.620 |
Why?
| | Temporal Arteries | 1 | 2020 | 45 | 0.620 |
Why?
| | Arnold-Chiari Malformation | 3 | 2009 | 29 | 0.620 |
Why?
| | Basal Ganglia | 1 | 2020 | 57 | 0.620 |
Why?
| | Cerebral Arteries | 1 | 2020 | 59 | 0.610 |
Why?
| | Ultrasonography, Prenatal | 4 | 2009 | 295 | 0.590 |
Why?
| | Referral and Consultation | 1 | 2025 | 869 | 0.580 |
Why?
| | Frontal Lobe | 1 | 2020 | 160 | 0.580 |
Why?
| | Natural Language Processing | 1 | 2020 | 106 | 0.580 |
Why?
| | Healthcare Disparities | 1 | 2026 | 736 | 0.570 |
Why?
| | Reproducibility of Results | 7 | 2025 | 3418 | 0.550 |
Why?
| | Cerebral Ventricles | 2 | 2009 | 56 | 0.550 |
Why?
| | Transgender Persons | 1 | 2022 | 210 | 0.540 |
Why?
| | Preoperative Care | 1 | 2020 | 380 | 0.540 |
Why?
| | Male | 22 | 2026 | 73011 | 0.530 |
Why?
| | Meningomyelocele | 2 | 2009 | 62 | 0.530 |
Why?
| | Health Services Accessibility | 1 | 2026 | 1101 | 0.520 |
Why?
| | Mammography | 1 | 2019 | 166 | 0.520 |
Why?
| | Magnetic Resonance Angiography | 5 | 2022 | 251 | 0.490 |
Why?
| | Ovarian Diseases | 1 | 2016 | 14 | 0.490 |
Why?
| | Aged | 13 | 2026 | 26217 | 0.490 |
Why?
| | Cross-Sectional Studies | 6 | 2025 | 5925 | 0.460 |
Why?
| | Edema | 1 | 2016 | 125 | 0.460 |
Why?
| | Epidural Space | 2 | 2025 | 17 | 0.450 |
Why?
| | Brain | 10 | 2025 | 2969 | 0.430 |
Why?
| | Predictive Value of Tests | 2 | 2020 | 2123 | 0.420 |
Why?
| | Appendicitis | 1 | 2016 | 150 | 0.420 |
Why?
| | Cohort Studies | 4 | 2026 | 6033 | 0.420 |
Why?
| | Early Detection of Cancer | 1 | 2019 | 486 | 0.390 |
Why?
| | Physicians | 1 | 2022 | 956 | 0.390 |
Why?
| | Treatment Outcome | 5 | 2026 | 11794 | 0.380 |
Why?
| | Anti-HIV Agents | 1 | 2020 | 912 | 0.360 |
Why?
| | Postoperative Complications | 2 | 2025 | 2977 | 0.360 |
Why?
| | Acetazolamide | 2 | 2022 | 26 | 0.340 |
Why?
| | Emergency Service, Hospital | 4 | 2026 | 2383 | 0.320 |
Why?
| | Clinical Competence | 1 | 2019 | 1247 | 0.320 |
Why?
| | HIV Infections | 3 | 2022 | 3195 | 0.320 |
Why?
| | Registries | 1 | 2019 | 2410 | 0.300 |
Why?
| | AIDS Dementia Complex | 2 | 2018 | 52 | 0.280 |
Why?
| | Breast Neoplasms | 1 | 2019 | 2393 | 0.230 |
Why?
| | Injections, Epidural | 1 | 2025 | 28 | 0.230 |
Why?
| | Ligation | 1 | 2025 | 91 | 0.230 |
Why?
| | Cerebrospinal Fluid Rhinorrhea | 1 | 2024 | 10 | 0.210 |
Why?
| | Sensitivity and Specificity | 2 | 2025 | 2000 | 0.210 |
Why?
| | Cerebral Amyloid Angiopathy | 1 | 2024 | 11 | 0.200 |
Why?
| | Sinus Thrombosis, Intracranial | 1 | 2023 | 25 | 0.200 |
Why?
| | Arachnoid | 1 | 2023 | 11 | 0.200 |
Why?
| | Punctures | 1 | 2023 | 41 | 0.200 |
Why?
| | Comprehension | 1 | 2025 | 187 | 0.190 |
Why?
| | Lemierre Syndrome | 1 | 2023 | 4 | 0.190 |
Why?
| | Thrombophlebitis | 1 | 2023 | 12 | 0.190 |
Why?
| | Spin Labels | 2 | 2020 | 59 | 0.190 |
Why?
| | Congresses as Topic | 1 | 2024 | 224 | 0.190 |
Why?
| | Hypoxia-Ischemia, Brain | 1 | 2023 | 50 | 0.180 |
Why?
| | Computed Tomography Angiography | 2 | 2021 | 146 | 0.180 |
Why?
| | Ischemic Attack, Transient | 1 | 2023 | 71 | 0.180 |
Why?
| | Prospective Studies | 3 | 2024 | 8078 | 0.180 |
Why?
| | Infant, Newborn, Diseases | 1 | 2023 | 115 | 0.170 |
Why?
| | Blood Flow Velocity | 1 | 2023 | 421 | 0.170 |
Why?
| | Socioeconomic Factors | 1 | 2026 | 1327 | 0.170 |
Why?
| | Gadolinium | 1 | 2021 | 84 | 0.160 |
Why?
| | Moyamoya Disease | 1 | 2020 | 20 | 0.160 |
Why?
| | Transsexualism | 1 | 2020 | 19 | 0.160 |
Why?
| | Cerebral Angiography | 1 | 2021 | 119 | 0.160 |
Why?
| | Angiography, Digital Subtraction | 1 | 2020 | 48 | 0.160 |
Why?
| | Central Nervous System Vascular Malformations | 1 | 2020 | 27 | 0.160 |
Why?
| | Jugular Veins | 1 | 2020 | 42 | 0.160 |
Why?
| | Research Report | 1 | 2020 | 86 | 0.150 |
Why?
| | Uncertainty | 1 | 2020 | 146 | 0.150 |
Why?
| | Thrombosis | 1 | 2023 | 400 | 0.150 |
Why?
| | Patient Reported Outcome Measures | 1 | 2024 | 498 | 0.150 |
Why?
| | Intracranial Aneurysm | 1 | 2020 | 106 | 0.150 |
Why?
| | Face | 1 | 2020 | 175 | 0.150 |
Why?
| | Radiography | 1 | 2022 | 853 | 0.150 |
Why?
| | False Negative Reactions | 1 | 2019 | 61 | 0.140 |
Why?
| | HIV | 1 | 2020 | 251 | 0.140 |
Why?
| | False Positive Reactions | 1 | 2019 | 123 | 0.140 |
Why?
| | Antiretroviral Therapy, Highly Active | 1 | 2020 | 279 | 0.140 |
Why?
| | Epilepsy | 1 | 2023 | 390 | 0.140 |
Why?
| | Central Nervous System Infections | 1 | 2018 | 35 | 0.130 |
Why?
| | Phenotype | 1 | 2026 | 3170 | 0.130 |
Why?
| | Contrast Media | 1 | 2021 | 497 | 0.130 |
Why?
| | Hemoperitoneum | 1 | 2017 | 12 | 0.130 |
Why?
| | Head and Neck Neoplasms | 1 | 2023 | 561 | 0.130 |
Why?
| | Brain Injuries, Traumatic | 1 | 2023 | 453 | 0.130 |
Why?
| | Aneurysm, False | 1 | 2017 | 46 | 0.130 |
Why?
| | Alzheimer Disease | 1 | 2024 | 630 | 0.130 |
Why?
| | Radiologists | 1 | 2017 | 61 | 0.130 |
Why?
| | Endometriosis | 1 | 2017 | 58 | 0.120 |
Why?
| | Aged, 80 and over | 3 | 2024 | 8347 | 0.120 |
Why?
| | Uterine Artery | 1 | 2017 | 74 | 0.120 |
Why?
| | Case-Control Studies | 1 | 2024 | 3634 | 0.120 |
Why?
| | Diagnosis, Differential | 2 | 2020 | 1512 | 0.120 |
Why?
| | RNA, Viral | 1 | 2020 | 693 | 0.120 |
Why?
| | Critical Illness | 1 | 2022 | 900 | 0.120 |
Why?
| | Colorado | 1 | 2026 | 4556 | 0.110 |
Why?
| | Quality Assurance, Health Care | 1 | 2017 | 342 | 0.110 |
Why?
| | Abdominal Pain | 1 | 2016 | 149 | 0.110 |
Why?
| | Pilot Projects | 1 | 2020 | 1898 | 0.110 |
Why?
| | Disease Progression | 1 | 2020 | 2865 | 0.090 |
Why?
| | Attitude of Health Personnel | 1 | 2017 | 1197 | 0.070 |
Why?
| | Risk Assessment | 1 | 2019 | 3752 | 0.070 |
Why?
| | Cysts | 1 | 2009 | 112 | 0.070 |
Why?
| | Septum Pellucidum | 1 | 2008 | 5 | 0.070 |
Why?
| | Fornix, Brain | 1 | 2008 | 5 | 0.070 |
Why?
| | Agenesis of Corpus Callosum | 1 | 2008 | 13 | 0.070 |
Why?
| | Brain Diseases | 1 | 2009 | 155 | 0.070 |
Why?
| | United States | 3 | 2023 | 16126 | 0.070 |
Why?
| | Seizures | 2 | 2023 | 485 | 0.070 |
Why?
| | Medicare | 2 | 2023 | 904 | 0.060 |
Why?
| | Young Adult | 1 | 2023 | 14254 | 0.060 |
Why?
| | Neuroradiography | 1 | 2024 | 5 | 0.050 |
Why?
| | Gestational Age | 1 | 2008 | 990 | 0.050 |
Why?
| | Cranial Sinuses | 1 | 2023 | 16 | 0.050 |
Why?
| | Phlebography | 1 | 2023 | 41 | 0.050 |
Why?
| | Image Processing, Computer-Assisted | 1 | 2008 | 783 | 0.050 |
Why?
| | Atrophy | 1 | 2024 | 199 | 0.050 |
Why?
| | Brain Injuries | 1 | 2008 | 507 | 0.050 |
Why?
| | Submandibular Gland | 1 | 2023 | 20 | 0.050 |
Why?
| | Cerebral Hemorrhage | 1 | 2024 | 125 | 0.050 |
Why?
| | Pregnancy | 3 | 2017 | 7216 | 0.050 |
Why?
| | Patient Satisfaction | 1 | 2025 | 712 | 0.040 |
Why?
| | Arteries | 1 | 2022 | 261 | 0.040 |
Why?
| | Electroencephalography | 1 | 2023 | 563 | 0.040 |
Why?
| | Surveys and Questionnaires | 2 | 2025 | 6085 | 0.040 |
Why?
| | Neurosurgical Procedures | 1 | 2020 | 202 | 0.040 |
Why?
| | Airports | 1 | 2017 | 3 | 0.030 |
Why?
| | Psychophysics | 1 | 2017 | 15 | 0.030 |
Why?
| | Encephalitis | 1 | 2018 | 142 | 0.030 |
Why?
| | Early Diagnosis | 1 | 2017 | 251 | 0.030 |
Why?
| | Neoplasm Recurrence, Local | 1 | 2023 | 1150 | 0.030 |
Why?
| | Ultrasonography | 1 | 2017 | 788 | 0.020 |
Why?
| | Infant, Newborn | 1 | 2023 | 6465 | 0.020 |
Why?
| | Echoencephalography | 1 | 2009 | 4 | 0.020 |
Why?
| | Child, Preschool | 1 | 2024 | 11868 | 0.020 |
Why?
| | Hernia | 1 | 2008 | 10 | 0.020 |
Why?
| | Mass Screening | 1 | 2017 | 1361 | 0.020 |
Why?
| | Risk Factors | 1 | 2023 | 10919 | 0.020 |
Why?
| | Brain Edema | 1 | 2008 | 62 | 0.020 |
Why?
| | Automation | 1 | 2008 | 104 | 0.020 |
Why?
| | Fetal Death | 1 | 2008 | 58 | 0.020 |
Why?
| | California | 1 | 2009 | 473 | 0.020 |
Why?
| | Intracranial Hemorrhages | 1 | 2008 | 106 | 0.020 |
Why?
| | Corpus Callosum | 1 | 2008 | 72 | 0.020 |
Why?
| | Blood-Brain Barrier | 1 | 2008 | 160 | 0.020 |
Why?
| | Adolescent | 1 | 2024 | 22577 | 0.010 |
Why?
| | Child | 1 | 2024 | 22740 | 0.010 |
Why?
| | Comorbidity | 1 | 2009 | 1662 | 0.010 |
Why?
| | Prevalence | 1 | 2009 | 2875 | 0.010 |
Why?
| | Algorithms | 1 | 2008 | 1851 | 0.010 |
Why?
|
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