Lorenna L. M. Vidal, MD, DABR

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Lorenna L. M. Vidal, MD, DABR, is a pediatric neuroradiologist with the Department of Radiology at Children's Hospital of Philadelphia.

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Universidade Federal do Pará, School of Medicine, Belém, BR


Radiology - Hospital Ophir Loyola, Belém, BR


Neuroradiology - University Hospitals Cleveland Medical Center, Cleveland, OH
Body Imaging - University Hospitals Cleveland Medical Center, Cleveland, OH
Nuclear Medicine - University Hospitals Cleveland Medical Center, Cleveland, OH
Pediatric Neuroradiology - Texas Children's Hospital, Houston, TX

Board Certification

Certified Diplomate (DABR) – American Board of Radiology
Diagnostic Radiology – American Board of Radiology

Titles and Academic Titles

Pediatric Neuroradiologist

Associate Director, Quality and Safety for Neuroradiology

Assistant Professor of Radiology, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




K Chetcuti, C Chilingulo, MS Goyal, L Vidal, NF O'Brien, DG Postels, KB Seydel, TE Taylor: Implementation of a Low-Field Portable MRI Scanner in a Resource-Constrained Environment: Our Experience in Malawi. American Journal of Neuroradiology. American Journal of Neuroradiology, 43(5): 670-674, May 2022.

Nicole F O'Brien, Yudy Fonseca, Hunter C Johnson, Douglas Postels, Gretchen L Birbeck, Yamikani Chimalizeni, Karl B Seydel, Montfort Bernard Gushu, Tusekile Phiri, Sylvester June, Karen Chetcuti, Lorenna Vidal, Manu S Goyal, Terrie E Taylor: Mechanisms of Transcranial Doppler Ultrasound phenotypes in paediatric cerebral malaria remain elusive. Malaria Journal. BioMed Central 21(1): 1-13, June 2022.


Danni Tu, Manu S Goyal, Jordan D Dworkin, Samuel Kampondeni, Lorenna Vidal, Eric Biondo-Savin, Sandeep Juvvadi, Prashant Raghavan, Jennifer Nicholas, Karen Chetcuti, Kelly Clark, Theodore D Satterthwaite, Paul Yushkevich, Christos Davatzikos, Guray Erus, Douglas G Postels, Terrie E Taylor, Dylan S Small, Russell T Shinohara: Automated analysis of low-field brain MRI in cerebral malaria. bioRxiv. Cold Spring Harbor Laboratory, January 2021 Notes: PMID: 35731973 DOI: 10.1111/biom.13708.

Nicole F. O'Brien, Karen Chetcuti, Yudy Fonseca, Lorenna Vidal, Prashant Raghavan, Douglas G. Postels, Yamikani Chimalizeni, Stephen Ray, Karl B. Seydel, Terrie E. Taylor: Cerebral Metabolic Crisis in Pediatric Cerebral Malaria. Journal of Pediatric Intensive Care. Thieme, August 2021 Notes: DOI: 10.1055/s-0041-1732444.


Ospel J M, Wright C H, Jung R, Vidal L L M, Manjila S, Singh G, Heck D V, Ray A, Blackham K A: Intra-Arterial Verapamil Treatment in Oral Therapy-Refractory Reversible Cerebral Vasoconstriction Syndrome. AJNR. American journal of neuroradiology 41(2): 293-299, February 2020 Notes: doi: 10.3174/ajnr.A6378.


Partovi Sasan, Lu Ziang, Vidal Lorenna, Nakamoto Dean A, Buethe Ji, Coffey Michael, Patel Indravadan J: Real-time MRI-guided percutaneous sclerotherapy treatment of venous low-flow malformations in the head and neck. Phlebology 33(5): 344-352, June 2018.


Partovi Sasan, Vidal Lorenna, Lu Ziang, Nakamoto Dean A, Buethe Ji, Clampitt Mark, Coffey Michael, Patel Indravadan J: Real-time MRI-guided percutaneous sclerotherapy of low-flow head and neck lymphatic malformations in the pediatric population - a stepwise approach. Pediatric radiology 47(6): 755-760, May 2017.


S Partovi, L Vidal, D Nakamoto, Z Lu, J Buethe, M Coffey, I Patel: Real-time MRI guided percutaneous sclerotherapy of low-flow venous malformations. Journal of Vascular and Interventional Radiology 3(27): S290, 2016.


KA Blackham, LLM Vidal: Computed Tomography. Academic Press Page: 848-853, January 2014.

Posters and Presentations


Rachel Madhogarhia, Anahita Fathi Kazerooni, Sherjeel Arif, Jeffrey B Ware, Ariana M Familiar, Lorenna Vidal, Sina Bagheri, Hannah Anderson, Debanjan Haldar, Sophie Yagoda, Erin Graves, Michael Spadola, Rachel Yan, Nadia Dahmane, Chiharu Sako, Arastoo Vossough, Phillip Storm, Adam Resnick, Christos Davatzikos, Ali Nabavizadeh: Automated segmentation of pediatric brain tumors based on multi-parametric MRI and deep learning. Medical Imaging 2022: Computer-Aided Diagnosis SPIE, 12033: 723-731, April 2022.


Parissa Feizi, MD; Jason Thomas, MD; Lorenna L M Vidal, MD: Evaluation of Fetal Intracranial Hemorrhage with MRI: Is Echoplanar Imaging Reliable. American Society of Pediatric Neuroradiology, New Orleans, LA. Abstract, January 2019 Notes: Poster presentation.

Invited Lectures


LLM Vidal. "Epilepsy Imaging", The 9th Annual National Pediatric Radiology Continuing Medical Education Conference, Department of Radiology, Addis Ababa University (AAU), Tikur Anbessa Hospital, Department of Radiology, Children's Hospital of Philadelphia (CHOP), University of Pennsylvania and the Ethiopian Society of Radiology (RSE) (virtual). Mar 2021.


LLM Vidal. "Neonatal Hypoxic Ischemic Encephalopathy - Imaging Features and Pitfalls", University of Maryland Medical Center, Baltimore, MD. Apr 2019.

Awards and Honors

2010, Best Resident Award, Hospital Ophir Loyola and Clinica Lobo

Editorial and Academic Positions

Editorial Positions

2021-present, Reviewer, Journal of Computer Assisted Tomography

Academic and Institutional Committees

2021-present, CHOP Global Pediatric Radiology Education & Outreach Program (CHOP RAD-AID Chapter)

Leadership and Memberships

Memberships in Professional Organizations


2008-present, Radiological Society of North America


2018-present, American Society of Pediatric Neuroradiology
 - 2019-present, Gold Medal Committee
2018-present, American Society of Functional Neuroradiology
2012-present, American Society of Neuroradiology