Corey Wells Arnold

Professor, Radiological Sciences, University of California Los Angeles

Professor, Pathology and Laboratory Medicine, University of California Los Angeles

310-794-3538

I am a professor and the Vice Chair of Research in the UCLA Department of Radiological Sciences and hold joint appointments in the Departments of Pathology & Laboratory Medicine, Electrical & Computer Engineering, and Bioengineering. I lead the Computational Diagnostics Lab, a team focused on using machine learning to improve healthcare.

Education and Training

UCLAPhDInformation Science
Wisconsin - MadisonBSBiomedical Engineering and Computer Science

Publications

  1. Tavakkol E, Kihira S, McArthur M, Polson J, Zhang H, Arnold CW, Yoo B, Linetsky M, Salehi B, Ledbetter L, Kim C, Jahan R, Duckwiler G, Saver JL, Liebeskind DS, Nael K. Automated Assessment of the DWI-FLAIR Mismatch in Patients with Acute Ischemic Stroke: Added Value to Routine Clinical Practice.. AJNR. American journal of neuroradiology, 2024.
  2. Radhachandran A, Kinzel A, Chen J, Sant V, Patel M, Masamed R, Arnold CW, Speier W. A multitask approach for automated detection and segmentation of thyroid nodules in ultrasound images.. Computers in biology and medicine, 2024.
  3. Ravipati Y, Pouratian N, Arnold C, Speier W. Evaluating Deep Learning Performance for P300 Neural Signal Classification.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2024.
  4. Zhuang L, Ivezic V, Feng J, Shen C, Radhachandran A, Sant V, Patel M, Masamed R, Arnold C, Speier W. Patient-level thyroid cancer classification using attention multiple instance learning on fused multi-scale ultrasound image features.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2024.
  5. Khalil C, Almario CV, Dupuy T, Arnold C, Chen YJ, Spiegel BMR. Perspectives, experiences, and concerns with cyclical vomiting syndrome: Insights from online targeted-disease forums.. Neurogastroenterology and motility, 2024.
  6. Avram O, Durmus B, Rakocz N, Corradetti G, An U, Nitalla MG, Rudas A, Wakatsuki Y, Hirabayashi K, Velaga S, Tiosano L, Corvi F, Verma A, Karamat A, Lindenberg S, Oncel D, Almidani L, Hull V, Fasih-Ahmad S, Esmaeilkhanian H, Wykoff CC, Rahmani E, Arnold CW, Zhou B, Zaitlen N, Gronau I, Sankararaman S, Chiang JN, Sadda SR, Halperin E. SLIViT: a general AI framework for clinical-feature diagnosis from limited 3D biomedical-imaging data.. Research square, 2023.
  7. Khalil C, van Deen WK, Dupuy T, Syal G, Arnold C, Cazzetta SE, Nazarey PP, Almario CV, Spiegel BMR. Patients' Perspectives, Experiences, and Concerns With Perianal Fistulae: Insights From Online Targeted-Disease Forums.. Crohn's & colitis 360, 2023.
  8. Gibson D, Tran T, Raveendran V, Bonnet C, Siu N, Vinet M, Stoddard-Bennett T, Arnold C, Deng SX, Speier W. Latent diffusion augmentation enhances deep learning analysis of neuro-morphology in limbal stem cell deficiency.. Frontiers in medicine, 2023.
  9. Tsui B, Chen IE, Nour M, Kihira S, Tavakkol E, Polson J, Zhang H, Qiao J, Bahr-Hosseini M, Arnold C, Tateshima S, Salamon N, Villablanca JP, Colby GP, Jahan R, Duckwiler G, Saver JL, Liebeskind DS, Nael K. Perfusion Collateral Index versus Hypoperfusion Intensity Ratio in Assessment of Collaterals in Patients with Acute Ischemic Stroke.. AJNR. American journal of neuroradiology, 2023.
  10. Zhang M, Wu Y, Zhang H, Qin Y, Zheng H, Tang W, Arnold C, Pei C, Yu P, Nan Y, Yang G, Walsh S, Marshall DC, Komorowski M, Wang P, Guo D, Jin D, Wu Y, Zhao S, Chang R, Zhang B, Lu X, Qayyum A, Mazher M, Su Q, Wu Y, Liu Y, Zhu Y, Yang J, Pakzad A, Rangelov B, Estepar RSJ, Espinosa CC, Sun J, Yang GZ, Gu Y. Multi-site, Multi-domain Airway Tree Modeling.. Medical image analysis, 2023.
  11. Panchavati S, Daida A, Edmonds B, Miyakoshi M, Oana S, Ahn SS, Arnold C, Salamon N, Sankar R, Fallah A, Speier W, Nariai H. Uncovering Spatiotemporal Dynamics of the Corticothalamic Network during Seizures.. medRxiv : the preprint server for health sciences, 2023.
  12. Rao K, Speier W, Meng Y, Wang J, Ramesh N, Xie F, Su Y, Nowell WB, Curtis JR, Arnold C. Machine Learning Approaches to Classify Self-Reported Rheumatoid Arthritis Health Scores Using Activity Tracker Data: Longitudinal Observational Study.. JMIR formative research, 2023.
  13. Radhachandran A, Kinzel A, Chen J, Sant V, Patel M, Masamed R, Arnold CW, Speier W. A Multitask Approach for Automated Detection and Segmentation of Thyroid Nodules in Ultrasound Images.. medRxiv : the preprint server for health sciences, 2023.
  14. Rajagopal A, Redekop E, Kemisetti A, Kulkarni R, Raman S, Sarma K, Magudia K, Arnold CW, Larson PEZ. Federated Learning with Research Prototypes: Application to Multi-Center MRI-based Detection of Prostate Cancer with Diverse Histopathology.. Academic radiology, 2023.
  15. Kihira S, Derakhshani A, Leung M, Mahmoudi K, Bauer A, Zhang H, Polson J, Arnold C, Tsankova NM, Hormigo A, Salehi B, Pham N, Ellingson BM, Cloughesy TF, Nael K. Multi-Parametric Radiomic Model to Predict 1p/19q Co-Deletion in Patients with IDH-1 Mutant Glioma: Added Value to the T2-FLAIR Mismatch Sign.. Cancers, 2023.
  16. Chen C, Raymond C, Speier W, Jin X, Cloughesy TF, Enzmann D, Ellingson BM, Arnold CW. Synthesizing MR Image Contrast Enhancement Using 3D High-Resolution ConvNets.. IEEE transactions on bio-medical engineering, 2023.
  17. Ho ML, Arnold CW, Decker SJ, Hazle JD, Krupinski EA, Mankoff DA. Institutional Strategies to Maintain and Grow Imaging Research During the COVID-19 Pandemic.. Academic radiology, 2023.
  18. Chen IE, Tsui B, Zhang H, Qiao JX, Hsu W, Nour M, Salamon N, Ledbetter L, Polson J, Arnold C, BahrHossieni M, Jahan R, Duckwiler G, Saver J, Liebeskind D, Nael K. Automated estimation of ischemic core volume on noncontrast-enhanced CT via machine learning.. Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2022.
  19. Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold CW, Almario CV, Spiegel BMR, Anger JT. Experiences of Women With Interstitial Cystitis/Bladder Pain Syndrome: What Can We Learn From Women's Online Discussions?. The Journal of urology, 2022.
  20. Polson JS, Zhang H, Nael K, Salamon N, Yoo BY, El-Saden S, Starkman S, Kim N, Kang DW, Speier WF, Arnold CW. Identifying acute ischemic stroke patients within the thrombolytic treatment window using deep learning.. Journal of neuroimaging : official journal of the American Society of Neuroimaging, 2022.
  21. Li W, Li J, Wang Z, Polson J, Sisk AE, Sajed DP, Speier W, Arnold CW. PathAL: An Active Learning Framework for Histopathology Image Analysis.. IEEE transactions on medical imaging, 2022.
  22. Barsky L, Speier W, Fuller G, Cheng S, Kim A, Joung S, Arnold C, Dhawan S, Lopez M, Mastali M, van den Broek I, Wei J, Spiegel B, Van Eyk JE, Bairey Merz CN, Shufelt C. Sex-based differences in remote monitoring of biometric, psychometric and biomarker indices in stable ischemic heart disease.. Biology of sex differences, 2022.
  23. Chen C, Chen Z, Jin X, Li L, Speier W, Arnold CW. Attention-Guided Discriminative Region Localization and Label Distribution Learning for Bone Age Assessment.. IEEE journal of biomedical and health informatics, 2022.
  24. Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold C, Almario CV, Spiegel B, Anger J. Using Large-scale Social Media Analytics to Understand Patient Perspectives About Urinary Tract Infections: Thematic Analysis.. Journal of medical Internet research, 2022.
  25. Nobori A, Jumniensuk C, Chen X, Enzmann D, Dry S, Nelson S, Arnold CW. Electronic Health Record-Integrated Tumor Board Application to Save Preparation Time and Reduce Errors.. JCO clinical cancer informatics, 2022.
  26. Li W, Li J, Polson J, Wang Z, Speier W, Arnold C. High resolution histopathology image generation and segmentation through adversarial training.. Medical image analysis, 2021.
  27. Polson J, Zhang H, Nael K, Salamon N, Yoo B, Kim N, Kang DW, Speier W, Arnold CW. A Semi-Supervised Learning Framework to Leverage Proxy Information for Stroke MRI Analysis.. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference, 2021.
  28. Zhang H, Polson J, Nael K, Salamon N, Yoo B, Speier W, Arnold C. A Machine Learning Approach to Predict Acute Ischemic Stroke Thrombectomy Reperfusion using Discriminative MR Image Features.. ... IEEE-EMBS International Conference on Biomedical and Health Informatics. IEEE-EMBS International Conference on Biomedical and Health Informatics, 2021.
  29. Meng Y, Speier W, Ong MK, Arnold CW. Bidirectional Representation Learning From Transformers Using Multimodal Electronic Health Record Data to Predict Depression.. IEEE journal of biomedical and health informatics, 2021.
  30. Sarma KV, Raman AG, Dhinagar NJ, Priester AM, Harmon S, Sanford T, Mehralivand S, Turkbey B, Marks LS, Raman SS, Speier W, Arnold CW. Harnessing clinical annotations to improve deep learning performance in prostate segmentation.. PloS one, 2021.
  31. Sarma KV, Harmon S, Sanford T, Roth HR, Xu Z, Tetreault J, Xu D, Flores MG, Raman AG, Kulkarni R, Wood BJ, Choyke PL, Priester AM, Marks LS, Raman SS, Enzmann D, Turkbey B, Speier W, Arnold CW. Federated learning improves site performance in multicenter deep learning without data sharing.. Journal of the American Medical Informatics Association : JAMIA, 2021.
  32. Li B, Mercan E, Mehta S, Knezevich S, Arnold CW, Weaver DL, Elmore JG, Shapiro LG. Classifying Breast Histopathology Images with a Ductal Instance-Oriented Pipeline.. Proceedings of the ... IAPR International Conference on Pattern Recognition. International Conference on Pattern Recognition, 2021.
  33. Raman AG, Sarma KV, Raman SS, Priester AM, Mirak SA, Riskin-Jones HH, Dhinagar N, Speier W, Felker E, Sisk AE, Lu D, Kinnaird A, Reiter RE, Marks LS, Arnold CW. Optimizing Spatial Biopsy Sampling for the Detection of Prostate Cancer.. The Journal of urology, 2021.
  34. Zhang H, Polson JS, Nael K, Salamon N, Yoo B, El-Saden S, Scalzo F, Speier W, Arnold CW. Intra-domain task-adaptive transfer learning to determine acute ischemic stroke onset time.. Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society, 2021.
  35. Meng Y, Speier W, Ong M, Arnold CW. HCET: Hierarchical Clinical Embedding With Topic Modeling on Electronic Health Records for Predicting Future Depression.. IEEE journal of biomedical and health informatics, 2021.
  36. Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold CW, Almario CV, Spiegel BMR, Anger JT. Social media analytics of overactive bladder posts: what do patients know and want to know?. International urogynecology journal, 2021.
  37. Li J, Li W, Sisk A, Ye H, Wallace WD, Speier W, Arnold CW. A multi-resolution model for histopathology image classification and localization with multiple instance learning.. Computers in biology and medicine, 2021.
  38. Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold C, Almario CV, Spiegel BMR, Anger JT. Using Digital Ethnography to Understand the Experience of Women With Pelvic Organ Prolapse.. Female pelvic medicine & reconstructive surgery, 2021.
  39. Dhinagar NJ, Speier W, Sarma KV, Raman A, Kinnaird A, Raman SS, Marks LS, Arnold CW. Semi-automated PIRADS scoring via mpMRI analysis.. Journal of medical imaging (Bellingham, Wash.), 2020.
  40. Sohn A, Speier W, Lan E, Aoki K, Fonarow GC, Ong MK, Arnold CW. Integrating remote monitoring into heart failure patients' care regimen: A pilot study.. PloS one, 2020.
  41. Shufelt CL, Kim A, Joung S, Barsky L, Arnold C, Cheng S, Dhawan S, Fuller G, Speier W, Lopez M, Mastali M, Mouapi K, van den Broek I, Wei J, Spiegel B, Van Eyk JE, Bairey-Merz CN. Biometric and Psychometric Remote Monitoring and Cardiovascular Risk Biomarkers in Ischemic Heart Disease.. Journal of the American Heart Association, 2020.
  42. Burton CS, Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold C, Almario CV, Spiegel BMR, Anger JT. Female Lower Urinary Tract Symptom Prevention and Treatment Strategies on Social Media: Mixed Correlation With Evidence.. Urology, 2020.
  43. Wang Z, Zhou M, Arnold C. Toward heterogeneous information fusion: bipartite graph convolutional networks for in silico drug repurposing.. Bioinformatics (Oxford, England), 2020.
  44. Enzmann DR, Arnold CW, Zaragoza E, Siegel E, Pfeffer MA. Radiology's Information Architecture Could Migrate to One Emulating That of Smartphones.. Journal of the American College of Radiology : JACR, 2020.
  45. Guorgui J, Kinnaird A, Jayadevan R, Priester AM, Arnold CW, Marks LS. An Electronic Form for Reporting Results of Targeted Prostate Biopsy: Urology Integrated Diagnostic Report (Uro-IDR).. Urology, 2020.
  46. Gonzalez G, Vaculik K, Khalil C, Zektser Y, Arnold C, Almario CV, Spiegel BMR, Anger JT. Women's Experience with Stress Urinary Incontinence: Insights from Social Media Analytics.. The Journal of urology, 2019.
  47. Sohn A, Speier W, Lan E, Aoki K, Fonarow G, Ong M, Arnold C. Assessment of Heart Failure Patients' Interest in Mobile Health Apps for Self-Care: Survey Study.. JMIR cardio, 2019.
  48. Shufelt C, Dzubur E, Joung S, Fuller G, Mouapi KN, Van Den Broek I, Lopez M, Dhawan S, Arnold CW, Speier W, Mastali M, Fu Q, Van Eyk JE, Spiegel B, Merz CNB. A protocol integrating remote patient monitoring patient reported outcomes and cardiovascular biomarkers.. NPJ digital medicine, 2019.
  49. Sarma KV, Spiegel BMR, Reid MW, Chen S, Merchant RM, Seltzer E, Arnold CW. Estimating the Health-Related Quality of Life of Twitter Users Using Semantic Processing.. Studies in health technology and informatics, 2019.
  50. Meng Y, Speier W, Shufelt C, Joung S, E Van Eyk J, Bairey Merz CN, Lopez M, Spiegel B, Arnold CW. A Machine Learning Approach to Classifying Self-Reported Health Status in a Cohort of Patients With Heart Disease Using Activity Tracker Data.. IEEE journal of biomedical and health informatics, 2019.
  51. Ho KC, Scalzo F, Sarma KV, Speier W, El-Saden S, Arnold C. Predicting ischemic stroke tissue fate using a deep convolutional neural network on source magnetic resonance perfusion images.. Journal of medical imaging (Bellingham, Wash.), 2019.
  52. Ho KC, Speier W, Zhang H, Scalzo F, El-Saden S, Arnold CW. A Machine Learning Approach for Classifying Ischemic Stroke Onset Time From Imaging.. IEEE transactions on medical imaging, 2019.
  53. Dzubur E, Khalil C, Almario CV, Noah B, Minhas D, Ishimori M, Arnold C, Park Y, Kay J, Weisman MH, Spiegel BMR. Patient Concerns and Perceptions Regarding Biologic Therapies in Ankylosing Spondylitis: Insights From a Large-Scale Survey of Social Media Platforms.. Arthritis care & research, 2019.
  54. Li W, Li J, Sarma KV, Ho KC, Shen S, Knudsen BS, Gertych A, Arnold CW. Path R-CNN for Prostate Cancer Diagnosis and Gleason Grading of Histological Images.. IEEE transactions on medical imaging, 2018.
  55. Speier W, Dzubur E, Zide M, Shufelt C, Joung S, Van Eyk JE, Bairey Merz CN, Lopez M, Spiegel B, Arnold C. Evaluating utility and compliance in a patient-based eHealth study using continuous-time heart rate and activity trackers.. Journal of the American Medical Informatics Association : JAMIA, 2018.
  56. Li J, Speier W, Ho KC, Sarma KV, Gertych A, Knudsen BS, Arnold CW. An EM-based semi-supervised deep learning approach for semantic segmentation of histopathological images from radical prostatectomies.. Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society, 2018.
  57. Li J, Sarma KV, Chung Ho K, Gertych A, Knudsen BS, Arnold CW. A Multi-scale U-Net for Semantic Segmentation of Histological Images from Radical Prostatectomies.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2018.
  58. Ho KC, Speier W, El-Saden S, Arnold CW. Classifying Acute Ischemic Stroke Onset Time using Deep Imaging Features.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2018.
  59. Speier W, Arnold C, Chandravadia N, Roberts D, Pendekanti S, Pouratian N. Improving P300 Spelling Rate using Language Models and Predictive Spelling.. Brain computer interfaces (Abingdon, England), 2017.
  60. Zide M, Caswell K, Peterson E, Aberle DR, Bui AA, Arnold CW. Consumers' Patient Portal Preferences and Health Literacy: A Survey Using Crowdsourcing.. JMIR research protocols, 2016.
  61. Speier W, Ong MK, Arnold CW. Using phrases and document metadata to improve topic modeling of clinical reports.. Journal of biomedical informatics, 2016.
  62. Hsu W, Han SX, Arnold CW, Bui AA, Enzmann DR. A data-driven approach for quality assessment of radiologic interpretations.. Journal of the American Medical Informatics Association : JAMIA, 2015.
  63. Arnold CW, Oh A, Chen S, Speier W. Evaluating topic model interpretability from a primary care physician perspective.. Computer methods and programs in biomedicine, 2015.
  64. Arnold CW, Wallace WD, Chen S, Oh A, Abtin F, Genshaft S, Binder S, Aberle D, Enzmann D. RadPath: A Web-based System for Integrating and Correlating Radiology and Pathology Findings During Cancer Diagnosis.. Academic radiology, 2015.
  65. Whitman CB, Reid MW, Arnold C, Patel H, Ursos L, Sa'adon R, Pourmorady J, Spiegel BM. Balancing opioid-induced gastrointestinal side effects with pain management: Insights from the online community.. Journal of opioid management, 2015.
  66. McNamara M, Arnold C, Sarma K, Aberle D, Garon E, Bui AA. Patient Portal Preferences: Perspectives on Imaging Information.. Journal of the Association for Information Science and Technology, 2015.
  67. Oh AS, Arnold CW, Vangala S, Wallace WD, Genshaft SJ, Sarma K, Aberle DR. Imaging-histologic discordance at percutaneous biopsy of the lung.. Academic radiology, 2015.
  68. McNamara M, Sarma K, Aberle DR, Bui AA, Arnold C. Data model for personalized patient health guidelines: an exploratory study.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2014.
  69. Ho KC, Speier W, El-Saden S, Liebeskind DS, Saver JL, Bui AA, Arnold CW. Predicting discharge mortality after acute ischemic stroke using balanced data.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2014.
  70. Speier W, Arnold C, Lu J, Deshpande A, Pouratian N. Integrating language information with a hidden Markov model to improve communication rate in the P300 speller.. IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society, 2014.
  71. Speier W, Arnold C, Pouratian N. Evaluating true BCI communication rate through mutual information and language models.. PloS one, 2013.
  72. Bui AA, Hsu W, Arnold C, El-Saden S, Aberle DR, Taira RK. Imaging-based observational databases for clinical problem solving: the role of informatics.. Journal of the American Medical Informatics Association : JAMIA, 2013.
  73. Arnold CW, McNamara M, El-Saden S, Chen S, Taira RK, Bui AA. Imaging informatics for consumer health: towards a radiology patient portal.. Journal of the American Medical Informatics Association : JAMIA, 2013.
  74. Arnold CW, Nguyen T, Janzen C. BabySTEPS: a sugar tracking electronic portal system for gestational diabetes.. Studies in health technology and informatics, 2013.
  75. Taira RK, Arnold CW. Hierarchical semantic structures for medical NLP.. Studies in health technology and informatics, 2013.
  76. Chen X, Arnold CW. Integrating UIMA annotators in a web-based text processing framework.. Studies in health technology and informatics, 2013.
  77. Love A, Arnold CW, El-Saden S, Liebeskind DS, Andrada L, Saver J, Bui AA. Unifying acute stroke treatment guidelines for a Bayesian belief network.. Studies in health technology and informatics, 2013.
  78. Speier W, Arnold C, Lu J, Taira RK, Pouratian N. Natural language processing with dynamic classification improves P300 speller accuracy and bit rate.. Journal of neural engineering, 2011.
  79. Singleton KW, Lan M, Arnold C, Vahidi M, Arangua L, Gelberg L, Bui AA. Wireless data collection of self-administered surveys using tablet computers.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2011.
  80. Speier W, Iglesias JE, El-Kara L, Tu Z, Arnold C. Robust skull stripping of clinical glioblastoma multiforme data.. Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention, 2011.
  81. Arnold CW, El-Saden SM, Bui AA, Taira R. Clinical Case-based Retrieval Using Latent Topic Analysis.. AMIA ... Annual Symposium proceedings. AMIA Symposium, 2010.
  82. Hsu W, Arnold CW, Taira RK. A Neuro-Oncology Workstation for Structuring, Modeling, and Visualizing Patient Records.. IHI ... : proceedings of the ... ACM SIGHIT International Health Informatics Symposium. ACM SIGHIT International Health Informatics Symposium, 2010.
  83. Arnold CW, Bui AA, Morioka C, El-Saden S, Kangarloo H. Informatics in radiology: A prototype Web-based reporting system for onsite-offsite clinician communication.. Radiographics : a review publication of the Radiological Society of North America, Inc, 2007.