Cerebral Venous Air Embolism due to a Hidden Skull Fracture Secondary to Head Trauma

Figure 1

CT scan of the head without contrast: (a) axial cut (bone window) shows air in the superior sagittal sinus (arrow); (b) midsagittal cut of the reconstructed CT (brain window) shows air in the superior sagittal sinus; (c) axial cut (bone window) shows air around the right mandible (arrow); (d) axial cut (bone window) cannot show obvious fractures.

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(b)

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