About This File
Before surgery ct scan
ct, scan, without, contrast, .stl, 3d, model, axial, frontal, temporal, parietal, occipital, ethmoid, cells, nasal, septum, lower, turbinate, petrous, ridge, cerebellum, paranasal, sinuses, maxillary, sinus, sphenoid, orbit, mastoid, clinoid, apophysis, optic, nerve