PMC7658642_01
Initial brain computed tomography at the local hospital. Upper: axial view. Middle: coronal view. Lower: sagittal view. No definite fracture is seen on the left orbital roof. Parietal bone fractures are seen in the sagittal view.
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F1
Brain computed tomographic (CT) scan revealed acute epidural hematoma in both frontal convexities (Fig 1), and he underwent craniotomy at the local hospital.
Brain computed tomography after the first operation at the local hospital. Upper: axial view. Middle: coronal view. Lower: sagittal view. Epidural hematomas are seen on both anterior frontal convexities. A displaced orbital roof fracture segment is seen.
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F2
Thereafter, he was transferred to our department (Fig 2).
Facial computed tomography before the second operation: (a) axial view; (b) coronal view; (c) sagittal view; and (d) 3-dimensional reconstructive view. A displaced orbital roof fracture segment is seen.
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F3
Facial CT scan before the second operation revealed a displaced orbital roof fracture segment (Fig 3).
Brain computed tomography after the second operation, axial view. A displaced orbital roof fracture segment has been removed, and the defect of the orbital floor was reconstructed with a titanium mesh plate.
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F4
The displaced bony fragment was removed from the left anterior cranial fossa, and the anterior skull base was reconstructed with a titanium mesh plate (Optimus neuroplate, 3D Mesh 50x50 mm; Osteonic, Seoul, Korea) (Fig 4).