At surgery, evidence of direct cavernous sinus invasion was demonstrated in 19.

These arteries are typically treated with coil embolization of the cavernous sinus.

No cases have been previously reported in the cavernous sinus or pituitary fossa.

Preoperative MR imaging infrequently detects dural invasion, including cavernous sinus invasion.

The brain MRI demonstrated strong enhancement of the right cavernous sinus.