Robert C. Rennert

University of California San Diego, Neurological Surgery

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About

Robert C. Rennert is a neurosurgeon-researcher whose work sits at the intersection of pediatric neurosurgery, neuro-oncology, and advanced stereotactic technology. His major contributions center on developing less invasive, image-guided interventions for complex and previously inoperable brain conditions. Notably, he has pioneered the use of robotic-assisted stereotactic EEG (S-EEG) to localize and treat nonlesional epileptogenic zones, such as in the cingulate gyrus, followed by precise laser ablation—a technique that offers a targeted alternative to open surgery. In pediatric neuro-oncology, Rennert has advanced palliative endoscopic third ventriculostomy (ETV) as a safer, hardware-free alternative to shunting for managing hydrocephalus in children with inoperable brain tumors like DIPG, reducing infection and mechanical failure risks. His work, though highly specialized, has garnered citations for its clinical innovation and direct impact on patient outcomes. Rennert’s research exemplifies the shift toward minimally invasive, robotics-enhanced neurosurgery, offering new hope for patients with the most challenging diagnoses.