PMC9479647_01
Brain computed tomography (CT) of the patient. CT obtained 2 days after the onset of the first headache showing bilateral subdural effusions (arrows) and slit-like lateral ventricles with an arachnoid cyst in the right temporal fossa (a). CT obtained at recurrence of headache showing a hyperdense right subdural hematoma and a hyperdense change in the arachnoid cyst with obvious compression of the right lateral ventricle and evident midline shift to the left (b). CT obtained 3 months after surgery showing no change in the volume of the arachnoid cyst and no recurrence of subdural hematoma with the lateral ventricles and subdural space normal in size (c).
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F1
Computed tomography (CT) revealed bilateral subdural effusions and slit-like lateral ventricles with no significant changes to the AC [Figure 1a]. The neurological examination was still unremarkable but repeat CT after another month revealed a hyperdense right subdural hematoma (SDH) and a hyperdense change in the AC with obvious compression of the right lateral ventricle and evident midline shift to the left [Figure 1b]. The lateral ventricles and subdural space were again normal in size [Figure 1c].