Orbital extension

Intracranial extension

Frontal

3 out of 7 cases

1 out of 7 cases

Fronto-ethmoid

5 out of 6 cases

0

Ethmoid

2 out of 3 cases

0

Sphenoid

0

1 out of 4 cases

*cavernous sinus thrombosis

Maxillary

0

0