Mam cartilagenous part of EAC lies outside base of skull na? Then how fissure of Santorini help transmit infection to cause OM of base of skull?
Hi, The spread of infection from the external ear canal to its surrounding structures is thought to occur via the fissures of Santorini, also known as the incisurae cartilaginis meatus acustici, by extending through these osteocartilaginous or cartilaginous junctions of the external ear canal, spreading through fascial planes and blood vessels to surrounding compartments.
Thank you.