Cavernous sinus thrombophlebitis due to a boil on ala nasi.
D001766:Blindness / Q000209:etiology*; D002426:Cavernous Sinus; D005667:Furunculosis / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009666:Nose; D013924:Thrombophlebitis / Q000209:etiology*