External Approach to the Paranasal Sinuses
4. Chronic frontal sinusitis 5. Frontal sinus obliteration – Comminuted and/or displaced posterior table fractures – Cerebrospinal fluid leak – Severe frontal outflow tract obstruction 6. Reduction of frontal sinus…
Radiologic Imaging of the Paranasal Sinuses and Skull Base
orbital fat density and fluid collections on the medial or superior orbital wall. Subperiosteal abscesses are rim-enhancing collections between the periorbita and orbital wall; these lesions are well demonstrated by…
