
Frontiers in Surgery, Год журнала: 2025, Номер 12
Опубликована: Апрель 1, 2025
Transcranial low-intensity focused ultrasound (FUS) enables noninvasive, targeted, and reversible blood-brain barrier (BBB) disruption, facilitating drug delivery liquid biopsy of the brain. Using fluorescein sodium (FNa) with macroscopic widefield fluorescence microscopic confocal laser endomicroscopy (CLE) imaging, we assessed BBB permeability after applying a frameless, electromagnetic-guided FUS system in porcine model confirmed established MRI protocol conventional histology. Both FNa imaging findings correlated contrast-enhanced MRI, providing direct evidence disruption. This approach demonstrates utility for evaluating preclinical studies.
Язык: Английский