 Andrew Callen
Concepts (187)
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 | 16 | 2025 | 56 | 11.340 |
Why?
| | Cerebrospinal Fluid Leak | 16 | 2025 | 62 | 7.600 |
Why?
| | Blood Patch, Epidural | 6 | 2025 | 20 | 4.600 |
Why?
| | Fistula | 6 | 2025 | 47 | 4.210 |
Why?
| | Myelography | 10 | 2025 | 37 | 3.980 |
Why?
| | Tomography, X-Ray Computed | 18 | 2025 | 2697 | 3.140 |
Why?
| | Magnetic Resonance Imaging | 22 | 2025 | 3636 | 2.520 |
Why?
| | Dura Mater | 2 | 2025 | 34 | 1.840 |
Why?
| | Spine | 3 | 2023 | 179 | 1.580 |
Why?
| | White Matter | 3 | 2025 | 144 | 1.490 |
Why?
| | Radiology | 3 | 2022 | 164 | 1.290 |
Why?
| | Head | 2 | 2022 | 115 | 1.270 |
Why?
| | Cerebrovascular Disorders | 2 | 2021 | 96 | 1.260 |
Why?
| | Fibrin Tissue Adhesive | 2 | 2025 | 19 | 1.150 |
Why?
| | Radiography, Interventional | 2 | 2025 | 119 | 1.110 |
Why?
| | Brain Ischemia | 2 | 2021 | 343 | 1.060 |
Why?
| | Cerebrovascular Circulation | 4 | 2023 | 269 | 1.010 |
Why?
| | Goldenhar Syndrome | 1 | 2025 | 11 | 0.950 |
Why?
| | Spinal Nerve Roots | 1 | 2025 | 29 | 0.950 |
Why?
| | Cranial Fossa, Middle | 1 | 2025 | 15 | 0.940 |
Why?
| | Patient Positioning | 1 | 2025 | 69 | 0.900 |
Why?
| | Embolism, Air | 1 | 2024 | 14 | 0.890 |
Why?
| | Osteoarthritis, Spine | 1 | 2024 | 3 | 0.880 |
Why?
| | Intracranial Embolism | 1 | 2024 | 33 | 0.880 |
Why?
| | Cerebral Infarction | 1 | 2024 | 49 | 0.880 |
Why?
| | Headache Disorders | 1 | 2024 | 19 | 0.850 |
Why?
| | Stroke | 3 | 2022 | 1140 | 0.850 |
Why?
| | Humans | 58 | 2025 | 138972 | 0.850 |
Why?
| | Cerebral Revascularization | 2 | 2020 | 20 | 0.840 |
Why?
| | Post-Dural Puncture Headache | 1 | 2023 | 4 | 0.820 |
Why?
| | Hemosiderosis | 1 | 2023 | 2 | 0.810 |
Why?
| | Fibrin | 1 | 2023 | 88 | 0.780 |
Why?
| | Hyperemia | 1 | 2023 | 49 | 0.770 |
Why?
| | Intracranial Arteriosclerosis | 1 | 2021 | 7 | 0.690 |
Why?
| | Feminization | 1 | 2020 | 6 | 0.690 |
Why?
| | Facial Bones | 1 | 2020 | 30 | 0.680 |
Why?
| | Adult | 21 | 2025 | 38393 | 0.670 |
Why?
| | Radiology Information Systems | 1 | 2020 | 29 | 0.660 |
Why?
| | Vasculitis | 1 | 2021 | 67 | 0.660 |
Why?
| | Carotid Artery Diseases | 1 | 2020 | 61 | 0.650 |
Why?
| | Temporal Arteries | 1 | 2020 | 44 | 0.650 |
Why?
| | Arnold-Chiari Malformation | 3 | 2009 | 28 | 0.650 |
Why?
| | Basal Ganglia | 1 | 2020 | 57 | 0.640 |
Why?
| | Cerebral Arteries | 1 | 2020 | 59 | 0.630 |
Why?
| | Middle Aged | 18 | 2025 | 33782 | 0.630 |
Why?
| | Referral and Consultation | 1 | 2025 | 795 | 0.630 |
Why?
| | Retrospective Studies | 15 | 2025 | 15901 | 0.630 |
Why?
| | Ultrasonography, Prenatal | 4 | 2009 | 286 | 0.620 |
Why?
| | Natural Language Processing | 1 | 2020 | 95 | 0.600 |
Why?
| | Frontal Lobe | 1 | 2020 | 160 | 0.600 |
Why?
| | Female | 27 | 2025 | 74016 | 0.600 |
Why?
| | Headache | 3 | 2024 | 147 | 0.590 |
Why?
| | Reproducibility of Results | 7 | 2025 | 3313 | 0.580 |
Why?
| | Transgender Persons | 1 | 2022 | 187 | 0.580 |
Why?
| | Cerebral Ventricles | 2 | 2009 | 54 | 0.570 |
Why?
| | Preoperative Care | 1 | 2020 | 366 | 0.570 |
Why?
| | Meningomyelocele | 2 | 2009 | 59 | 0.550 |
Why?
| | Mammography | 1 | 2019 | 159 | 0.540 |
Why?
| | Magnetic Resonance Angiography | 5 | 2022 | 243 | 0.510 |
Why?
| | Ovarian Diseases | 1 | 2016 | 13 | 0.510 |
Why?
| | Neuroimaging | 4 | 2023 | 263 | 0.510 |
Why?
| | Cross-Sectional Studies | 6 | 2025 | 5530 | 0.490 |
Why?
| | Edema | 1 | 2016 | 129 | 0.480 |
Why?
| | Epidural Space | 2 | 2025 | 16 | 0.470 |
Why?
| | Male | 18 | 2025 | 68250 | 0.450 |
Why?
| | Predictive Value of Tests | 2 | 2020 | 2030 | 0.450 |
Why?
| | Appendicitis | 1 | 2016 | 139 | 0.440 |
Why?
| | Early Detection of Cancer | 1 | 2019 | 429 | 0.420 |
Why?
| | Physicians | 1 | 2022 | 930 | 0.400 |
Why?
| | Anti-HIV Agents | 1 | 2020 | 836 | 0.400 |
Why?
| | Postoperative Complications | 2 | 2025 | 2716 | 0.390 |
Why?
| | Aged | 10 | 2025 | 24172 | 0.390 |
Why?
| | Acetazolamide | 2 | 2022 | 24 | 0.360 |
Why?
| | HIV Infections | 3 | 2022 | 2945 | 0.340 |
Why?
| | Clinical Competence | 1 | 2019 | 1149 | 0.340 |
Why?
| | Brain | 8 | 2023 | 2791 | 0.330 |
Why?
| | Registries | 1 | 2019 | 2081 | 0.330 |
Why?
| | Treatment Outcome | 4 | 2025 | 10921 | 0.320 |
Why?
| | AIDS Dementia Complex | 2 | 2018 | 51 | 0.290 |
Why?
| | Breast Neoplasms | 1 | 2019 | 2283 | 0.250 |
Why?
| | Injections, Epidural | 1 | 2025 | 28 | 0.240 |
Why?
| | Ligation | 1 | 2025 | 93 | 0.240 |
Why?
| | Cerebrospinal Fluid Rhinorrhea | 1 | 2024 | 10 | 0.220 |
Why?
| | Sensitivity and Specificity | 2 | 2025 | 1939 | 0.220 |
Why?
| | Cerebral Amyloid Angiopathy | 1 | 2024 | 10 | 0.210 |
Why?
| | Sinus Thrombosis, Intracranial | 1 | 2023 | 22 | 0.210 |
Why?
| | Arachnoid | 1 | 2023 | 12 | 0.210 |
Why?
| | Comprehension | 1 | 2025 | 175 | 0.200 |
Why?
| | Punctures | 1 | 2023 | 38 | 0.200 |
Why?
| | Cohort Studies | 2 | 2024 | 5744 | 0.200 |
Why?
| | Lemierre Syndrome | 1 | 2023 | 2 | 0.200 |
Why?
| | Thrombophlebitis | 1 | 2023 | 12 | 0.200 |
Why?
| | Spin Labels | 2 | 2020 | 52 | 0.200 |
Why?
| | Hypoxia-Ischemia, Brain | 1 | 2023 | 39 | 0.200 |
Why?
| | Congresses as Topic | 1 | 2024 | 228 | 0.190 |
Why?
| | Computed Tomography Angiography | 2 | 2021 | 130 | 0.190 |
Why?
| | Prospective Studies | 3 | 2024 | 7661 | 0.190 |
Why?
| | Infant, Newborn, Diseases | 1 | 2023 | 115 | 0.180 |
Why?
| | Blood Flow Velocity | 1 | 2023 | 411 | 0.180 |
Why?
| | Gadolinium | 1 | 2021 | 80 | 0.170 |
Why?
| | Moyamoya Disease | 1 | 2020 | 20 | 0.170 |
Why?
| | Transsexualism | 1 | 2020 | 20 | 0.170 |
Why?
| | Cerebral Angiography | 1 | 2021 | 112 | 0.170 |
Why?
| | Angiography, Digital Subtraction | 1 | 2020 | 45 | 0.170 |
Why?
| | Central Nervous System Vascular Malformations | 1 | 2020 | 25 | 0.170 |
Why?
| | Jugular Veins | 1 | 2020 | 42 | 0.170 |
Why?
| | Patient Reported Outcome Measures | 1 | 2024 | 416 | 0.160 |
Why?
| | Thrombosis | 1 | 2023 | 374 | 0.160 |
Why?
| | Research Report | 1 | 2020 | 86 | 0.160 |
Why?
| | Intracranial Aneurysm | 1 | 2020 | 98 | 0.160 |
Why?
| | Uncertainty | 1 | 2020 | 130 | 0.160 |
Why?
| | Emergency Service, Hospital | 2 | 2022 | 2114 | 0.150 |
Why?
| | Radiography | 1 | 2022 | 839 | 0.150 |
Why?
| | Face | 1 | 2020 | 173 | 0.150 |
Why?
| | Epilepsy | 1 | 2023 | 335 | 0.150 |
Why?
| | False Negative Reactions | 1 | 2019 | 60 | 0.150 |
Why?
| | HIV | 1 | 2020 | 246 | 0.150 |
Why?
| | False Positive Reactions | 1 | 2019 | 124 | 0.150 |
Why?
| | Antiretroviral Therapy, Highly Active | 1 | 2020 | 281 | 0.140 |
Why?
| | Brain Injuries, Traumatic | 1 | 2023 | 380 | 0.140 |
Why?
| | Contrast Media | 1 | 2021 | 463 | 0.140 |
Why?
| | Central Nervous System Infections | 1 | 2018 | 35 | 0.140 |
Why?
| | Hemoperitoneum | 1 | 2017 | 12 | 0.140 |
Why?
| | Alzheimer Disease | 1 | 2024 | 569 | 0.140 |
Why?
| | Head and Neck Neoplasms | 1 | 2023 | 549 | 0.140 |
Why?
| | Radiologists | 1 | 2017 | 49 | 0.130 |
Why?
| | Aneurysm, False | 1 | 2017 | 45 | 0.130 |
Why?
| | Endometriosis | 1 | 2017 | 53 | 0.130 |
Why?
| | Uterine Artery | 1 | 2017 | 75 | 0.130 |
Why?
| | Case-Control Studies | 1 | 2024 | 3574 | 0.120 |
Why?
| | Diagnosis, Differential | 2 | 2020 | 1482 | 0.120 |
Why?
| | RNA, Viral | 1 | 2020 | 684 | 0.120 |
Why?
| | Critical Illness | 1 | 2022 | 836 | 0.120 |
Why?
| | Quality Assurance, Health Care | 1 | 2017 | 331 | 0.120 |
Why?
| | Abdominal Pain | 1 | 2016 | 142 | 0.120 |
Why?
| | Pilot Projects | 1 | 2020 | 1765 | 0.110 |
Why?
| | Aged, 80 and over | 2 | 2024 | 7685 | 0.110 |
Why?
| | Disease Progression | 1 | 2020 | 2752 | 0.100 |
Why?
| | Attitude of Health Personnel | 1 | 2017 | 1159 | 0.080 |
Why?
| | Risk Assessment | 1 | 2019 | 3466 | 0.080 |
Why?
| | Seizures | 2 | 2023 | 431 | 0.070 |
Why?
| | Cysts | 1 | 2009 | 114 | 0.070 |
Why?
| | Septum Pellucidum | 1 | 2008 | 5 | 0.070 |
Why?
| | Brain Diseases | 1 | 2009 | 147 | 0.070 |
Why?
| | Agenesis of Corpus Callosum | 1 | 2008 | 13 | 0.070 |
Why?
| | Fornix, Brain | 1 | 2008 | 6 | 0.070 |
Why?
| | Young Adult | 1 | 2023 | 13371 | 0.060 |
Why?
| | United States | 2 | 2021 | 15074 | 0.060 |
Why?
| | Neuroradiography | 1 | 2024 | 5 | 0.060 |
Why?
| | Gestational Age | 1 | 2008 | 918 | 0.050 |
Why?
| | Image Processing, Computer-Assisted | 1 | 2008 | 748 | 0.050 |
Why?
| | Cranial Sinuses | 1 | 2023 | 14 | 0.050 |
Why?
| | Phlebography | 1 | 2023 | 37 | 0.050 |
Why?
| | Atrophy | 1 | 2024 | 189 | 0.050 |
Why?
| | Brain Injuries | 1 | 2008 | 500 | 0.050 |
Why?
| | Cerebral Hemorrhage | 1 | 2024 | 113 | 0.050 |
Why?
| | Submandibular Gland | 1 | 2023 | 20 | 0.050 |
Why?
| | Pregnancy | 3 | 2017 | 6870 | 0.050 |
Why?
| | Patient Satisfaction | 1 | 2025 | 689 | 0.040 |
Why?
| | Electroencephalography | 1 | 2023 | 444 | 0.040 |
Why?
| | Arteries | 1 | 2022 | 263 | 0.040 |
Why?
| | Surveys and Questionnaires | 2 | 2025 | 5884 | 0.040 |
Why?
| | Neurosurgical Procedures | 1 | 2020 | 204 | 0.040 |
Why?
| | Airports | 1 | 2017 | 3 | 0.030 |
Why?
| | Psychophysics | 1 | 2017 | 15 | 0.030 |
Why?
| | Encephalitis | 1 | 2018 | 136 | 0.030 |
Why?
| | Neoplasm Recurrence, Local | 1 | 2023 | 1058 | 0.030 |
Why?
| | Early Diagnosis | 1 | 2017 | 240 | 0.030 |
Why?
| | Medicare | 1 | 2021 | 792 | 0.030 |
Why?
| | Ultrasonography | 1 | 2017 | 748 | 0.030 |
Why?
| | Infant, Newborn | 1 | 2023 | 6158 | 0.020 |
Why?
| | Child, Preschool | 1 | 2024 | 11158 | 0.020 |
Why?
| | Echoencephalography | 1 | 2009 | 4 | 0.020 |
Why?
| | Mass Screening | 1 | 2017 | 1296 | 0.020 |
Why?
| | Hernia | 1 | 2008 | 11 | 0.020 |
Why?
| | Automation | 1 | 2008 | 98 | 0.020 |
Why?
| | Brain Edema | 1 | 2008 | 64 | 0.020 |
Why?
| | Intracranial Hemorrhages | 1 | 2008 | 89 | 0.020 |
Why?
| | California | 1 | 2009 | 438 | 0.020 |
Why?
| | Fetal Death | 1 | 2008 | 59 | 0.020 |
Why?
| | Corpus Callosum | 1 | 2008 | 70 | 0.020 |
Why?
| | Blood-Brain Barrier | 1 | 2008 | 141 | 0.020 |
Why?
| | Adolescent | 1 | 2024 | 21581 | 0.010 |
Why?
| | Child | 1 | 2024 | 21936 | 0.010 |
Why?
| | Comorbidity | 1 | 2009 | 1657 | 0.010 |
Why?
| | Prevalence | 1 | 2009 | 2745 | 0.010 |
Why?
| | Algorithms | 1 | 2008 | 1730 | 0.010 |
Why?
|
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