School of Medicine
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Clinical Assistant Professor, Radiology
BioDr. Abdelkader Mahammedi is Assistant Professor of Neuroradiology at the Department of Radiology, Stanford University School of Medicine. He completed medical school at the University of Algiers in Algeria, and then continued a postdoctoral research fellowship in Diagnostic Radiology at Johns Hopkins Hospital under the mentorship of Dr. Stanley Siegelman. Prior to becoming a specialist neuroradiologist, Dr. Mahammedi completed a Neuroradiology fellowship at the Cleveland Clinic Imaging Institute after having completed residencies in both Nuclear Medicine and Diagnostic Radiology. His specialty interests include brain tumors, stroke, small vessel disease, head and neck imaging, and functional magnetic resonance imaging (fMRI). Dr. Mahammedi has contributed to over 30 peer-reviewed publications, including lead authoring multiple articles in high-impact journals. During the beginning of the COVID-19 pandemic, he led and collaborated with multiple institutions from Italy, Spain, and Brazil. His work was considered the first and largest study in the literature that systematically characterized neurological symptoms and neuroimaging features in hospitalized COVID-19 patients, which was published in the journal Radiology. Recently, he has published the most recent multicenter and global COVID-19-related articles, which were featured by the international media in more than 25 languages including 200 newspapers, CNN, BBC, NPR, local televised broadcasts, and the 2020 RSNA Press Release. He co-authored multiple books, including “Imaging Appearance of Migraine and Tension Type Headache” and "Humanizing BrainTumors: Strategies for You and Your Physician" which was published in 2022. Dr. Mahammedi has received numerous awards and honors, including being selected as a semi-finalist for the prestigious Cornelius Dyke Award of the American Society of Neuroradiology (ASNR) 2021, and Best Case Award at the American Institute of Radiologic Pathology (AIRP) in Neuroradiology. In 2014, he was recognized as one of the authors with top-cited articles for his work in the Journal of Thoracic Imaging at the Society of Thoracic Imaging (STR) meeting, where he introduced a new technique for early detection of pulmonary hypertension on CT scans.
Associate Professor (Research) of Radiology (Cancer Early Detection-Canary Center)
Current Research and Scholarly InterestsThe Mallick Lab is focused on using integrative, multi-omic approaches to model the processes that govern cellular dynamics and to use those models to discover cancer biomarkers and molecular mechanisms.
Clinical Scholar, Radiology
Resident in Radiology
BioI am a Radiology Resident with future subspecialty interests in MSK, Neuro, and CVI. I also have strong interests in medical education and radiology-pathology correlation.
Lynne Nicole Martin
Clinical Instructor, Radiology
Trinity University | San Antonio, TX
Boston University School of Medicine | M.D, May 2017
Stanford General Surgery Internship
Stanford Integrated Interventional Radiology Residency | 2018-2023
Certification and Licensure:
Medical Board of California License
Sharpe, AL, Varela, E, Bettinger, L, & Beckstead, MJ. Methamphetamine self-administration in mice decreases GIRK channel-mediated currents in midbrain dopamine neurons. International Journal of Neuropsychopharmacology. 2015;18(5), pyu073.
Bettinger LN, Waters LM, Reese SW, Kutner SE, Jacobs DI. Comparative Study of Prepectoral and Subpectoral Expander-Based Breast Reconstruction and Clavien IIIb Score Outcomes. Plastic and Reconstructive Surgery Global Open. 2017;5(7):e1433. doi:10.1097/GOX.0000000000001433.
Martin LN, Higgings L, Mohabir P, Sze D, Hofmann L. Bronchial artery embolization for hemoptysis in cystic fibrosis patients: A 17-year review. Journal of Vascular and Interventional Radiology. 2019. Currently in the proofing phase and will be published in the upcoming issue of JVIR.
Poster Presentation for Physiology Undergraduate Research Experience at UTHSCSA
The role of nucleus accumbens melanocortins in oral self-administration of methamphetamine. Bettinger, L.N., Beckstead, M.J., & Sharpe, A.L. University of Texas Health Science Center at San Antonio, San Antonio, Texas USA.
Poster Presentation at Behavior, Biology and Chemistry Conference
Melanocortin receptor agonist injected into the nucleus accumbens decreases food intake but does not increase metabolic rate in mice. Bettinger LN, Sharpe AL. Feik School of Pharmacy, University of the Incarnate Word, San Antonio, Texas USA.
Poster Presentation at Society of Interventional Radiology (SIR) 2019
Bronchial artery embolization for hemoptysis in cystic fibrosis patients. Lynne Martin, MD; Luke J Higgins, MD PhD; Paul Mohabir, MD; Daniel Y Sze, MD PhD1; Lawrence V Hofmann, MD. Stanford University, Stanford, CA USA.
Oral Presentation at Society of Interventional Radiology (SIR) 2020
Predictors of Iliocaval In-stent Restenosis. Lynne Martin, MD, Josh K.Y. Swee, MSc, Tarub S Mabud, MD, Msc, Victoria Arendt, MD, William T. Kuo, Lawrence “Rusty” Hofmann, MD. Stanford University, Stanford, CA USA
Factors affecting survival of VA patients with hepatocellular carcinoma: A nationwide evaluation
Principle Investigator: Rajesh Shah
Awards: Moskowitz grant
Iliocaval in-stent restenosis
Manuscript in progress
Principle Investigator: Lawrence (Rusty) Hofmann
Advancing Surgery and Radiology inter-departmental communication through joint feedback and inter-resident education.
Faculty Mentor: Payam Massaband
Awards: Project approval for participation in Stanford’s RADCombinator program
Diagnostic Radiology Junior Chief Resident
Medical Student Teaching/Lecturer | Stanford University
Clinical Teaching Seminar Series, Honors Scholar | Stanford
Project: Developing a joint radiology-surgery didactic and case-based lecture series
Participant in the Residency Leadership Through Design?
Interventional Radiology Mentor for the Stanford Navigating Medicine Mentors
Created and organize the Stanford Trauma Surgery-Radiology Case Conference
Lagree Instructor, Core Studio 2019-2020
Previous diving and gymnastics coach
Previous captain of Trinity University's Conference Championship team
Springboard Diving Team Southern Collegiate Athletic Conference Character and Community Involvement Award
Multiple top 5 Conference finisher for diving
Prior gymnast with multiple state, regional, and national top 5 finishes and championships
Citizenship: U.S.A. and Netherlands
Tarik F. Massoud, MD, PhD
Professor of Radiology (Neuroimaging and Neurointervention)
Current Research and Scholarly InterestsMy current interests are in molecular and translational imaging of the brain especially in neuro-oncology and cerebrovascular diseases, experimental aspects of neuroimaging, clinical neuroradiology, neuroradiological anatomy, and research education and academic training of radiologists and scientists.
Jennifer A McNab
Associate Professor (Research) of Radiology (Radiological Sciences Laboratory)
Current Research and Scholarly InterestsMy research is focused on developing magnetic resonance imaging (MRI) methods that probe brain tissue microstructure. This requires new MRI contrast mechanisms, strategic encoding and reconstruction schemes, physiological monitoring, brain tissue modeling and validation. Applications of these methods include neuronavigation, neurosurgical planning and the development of improved biomarkers for brain development, degeneration, disease and injury.