Fig.1
From: Experience in the management of sigmoid sinus thrombophlebitis secondary to middle ear cholesteatoma
a Axial temporal bone CT with extensive bone destruction in the wall of the sigmoid sinus connected to the middle ear cavity (arrow); b Coronal MRV with no visualization of the right sigmoid sinus (arrow), confirming the diagnosis of sigmoid sinus thrombophlebitis; c MRV in sigmoid sinus thrombophlebitis patient 5 years after surgery suggests return of recanalization of right sigmoid sinus; d Axial MRI T1 image showing that this patient also had a combined temporal lobe brain abscess; e Axial MRI 3 months after tympanoplasty with significant resorption of the brain abscess lesion compared to the preoperative period