Imaging
Plain films:
coronal | Axial (1mm or len) |
---|---|
most helpful in evaluating anterior cranial fossa leaks. | evaluates anterior and posterior table of the frontal sinus |
integrity of cribriform plate, fovea ethmoidalis the planum sphenoidale, the floor of the frontal sinus, pituitary fossa orbital roof. | any extension of linear into the frontal sinuses |
Medial orbitals wals | |
1 plate of ethmoid |
MRI:
CT cisternography:
MR cysternography: