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PMC6333077_02
Head CT with contrast arrows indicate the thrombosis within the right transverse sinus; minimal contrast is seen past the thrombosis indicating near-complete obstruction of the vessel
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Computed tomography (CT) of the head with IV contrast showed CSVT with right mastoiditis Figure 1. CT of the head with IV contrast revealed right transverse and sigmoid sinuses thrombosis with near-complete opacification of the right mastoid and middle air cavity Figure 1.
MRI with contrast performed 10 d following initial imaging. Arrow indicates the thrombus within the transverse sinus. Interval decrease in size as indicated by the contrast now visualized beyond the thrombosis
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Magnetic resonance venography (MRV) with contrast was obtained 10 days later and showed an interval decrease in the right transverse and sigmoid sinuses thrombosis with contralateral hypoplasia of left transverse and sigmoid sinuses Figure 2.