Lijun Ma

Dr. Lijun Ma is Professor of Clinical Radiation Oncology and Chief of Medical Physics at the University of Southern California. His research advances technical innovations in stereotactic radiosurgery and radiation therapy protocols for brain and spinal tumors.

Research focuses on optimizing radiation delivery systems, developing clinical guidelines for stereotactic procedures, and improving dosimetric precision. Recent publications establish evidence-based protocols for pediatric cranial radiosurgery and spinal cord dose tolerance limits.