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Axial computed tomography revealing the left mastoid cavity after middle ear surgery.
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A partial mastoidectomy canal wall down with evacuation of the left middle ear hematoma was performed (Figure 1).
Computed tomography angiography showing the complete obstruction of the left ICA.
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A complete obstruction by a massive thrombus of the left internal carotid artery at 1.2 cm from the bifurcation to clinoid area was revealed without any focal neurological deficits or stroke (Figure 2).
Magnetic resonance angiography six months follow up with new collateral vascularization.
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The follow-up magnetic resonance angiography (MRA) 6 months later revealed the thrombosis of the left ICA with new collateral vascularization in the left cerebral territory of ICA by circle of Willis (Figures 3 and 4).
Coronal section of MRA six months fallow-up showing the obstruction of left ICA.
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The follow-up magnetic resonance angiography (MRA) 6 months later revealed the thrombosis of the left ICA with new collateral vascularization in the left cerebral territory of ICA by circle of Willis (Figures 3 and 4).