Nasal Spine of the Frontal Bone: A Consistent Landmark for Safe Outside-In Frontal Drill-Out.
Ali TawfikAhmed Musaad Abd El-FattahHossam El-SisiElsharawy KamalHisham Atef EbadaPublished in: American journal of rhinology & allergy (2022)
Outside-in frontal drill-out is a safe and easy approach; especially in challenging frontal sinus pathologies; using the NSFB and its anatomical coronal orientation to the NBAEA as a consistent landmark, anterior to the skull base. This approach offers early, safe, and direct bone removal without the need for initial identification and dissection of the frontal recess.