CT
Axial non-contrast
Coronal non-contrast
Axial bone window
Coronal bone window
Axial C+ delayed
Coronal C+ delayed
Septic thrombosis in the transverse and sigmoid sinuses on the right side with the thrombosis extending inferiorly in the right internal jugular vein.
Gas is present within the right sigmoid sinus. The middle ear, mastoid antrum and mastoid air cells on the right side are opacified.