School of Medicine


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  • Rami El Assal

    Rami El Assal

    Basic Life Research Scientist, Rad/Canary Center at Stanford for Cancer Early Detection

    BioDr. El Assal is a Basic Life Research Scientist (Academic Staff) at the Canary Center for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine. In 2016, Dr. El Assal completed a Postdoctoral Research Fellowship at Stanford University School of Medicine. Before moving to Stanford, he was working as a Postdoctoral Research Fellow in Medicine at Harvard Medical School, and Brigham and Women’s Hospital, Boston, MA as well as the Harvard-MIT Health Science and Technology division. In 2016, Dr. El Assal completed a Certificate Program in Innovation and Entrepreneurship at the Stanford Graduate School of Business. Dr. El Assal received his Doctor of Dental Surgery (D.D.S.) degree from Ajman University of Science and Technology (AUST), School of Dentistry, Ajman, UAE in 2007. Subsequently, He completed a one-year Clinical Internship Program in General Dentistry at Royal College of Surgeons in Ireland (RCSI)-affiliated training center at AUST-School of Dentistry. Following his internship, he enrolled in an Advanced Education Program in General Dentistry for two years (2008-2010). His research interests revolved around the applications of nano-/micro-scale technologies and biomaterials in medicine, including regenerative and transfusion medicine as well as cancer research. He has published his research work in esteemed peer-reviewed journals and conference proceedings, including Advanced Materials (Impact Factor (IF): 18.96), Materials Today (IF: 17.79), Nanomedicine, Biotechnology Journal, Biofabrication Journal, ACS Molecular Pharmaceutics, Lab on a Chip, and Nature Scientific Reports. His research achievements have been recognized by the Center of Nanoscale Systems (CNS) at Harvard University. In 2015, Dr. El Assal has been nominated/elect as a Fellow of the Academy of Dentistry International (USA), International International Academy for Dental-Facial Esthetics (USA), and International Academy of Oral Oncology (UK). Dr. El Assal has a multifaceted and challenging career in research and patient care, and he is now aspiring to a career that will help fulfill his ambition of being an effective teacher, researcher, and clinician. His ultimate goal, along with treating patients on an individual basis, is to be able to treat them on a larger scale through establishing a world-class research facility that develop innovative solutions to clinical problems. During his free time, Dr. El Assal likes to help the people and serve the community.

  • Ahmed Nagy El Kaffas

    Ahmed Nagy El Kaffas

    Instructor, Radiology

    BioWe develop quantitative imaging methods to characterize the tumor microenvironment, and to subsequently relate these imaging parameters to biomarkers that can be used for cancer surveillance, diagnosis and treatment monitoring/characterization. The focus is on 1) developing new acquisition methods and protocols to enhance quantification, 2) designing new image processing algorithms, analysis parameters and statistical models to quantitatively characterize imaging data, and 3) using advanced AI methods to further refine quantification or classification. While our methods can be used for other imaging modalities, we primarily focus on Ultrasound imaging modes such as contrast, molecular, elastography and spectroscopic ultrasound. Disease focus include liver cancer and liver metastasis, liver fibrosis/cirrhosis, and tumor blood flow characterization.