PMC9479541_01
Axial (a-c) and sagittal (d) day 3 postinjury plain cranial CT scan showed a right temporal acute epidural hematoma measuring 8.5 x 3.1 x 3.1 cm (41 cc), obstructive hydrocephalus without transependymal effusion and with an Evan's Index of 0.5, absent septum pellucidum, tectal beaking, and a small posterior fossa cyst; day 5 postinjury cranial CT scan (e) showed no progression of the hematoma; and 3-week postinjury cranial CT scan (f) showed the resolving hematoma.
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There was also a linear and nondisplaced right temporal bone fracture [Figures 1a-d]. A repeat cranial CT scan [Figure 1e] performed on the 5th day postinjury showed stable size of the hematoma. A repeat cranial CT scan [Figure 1f] was performed 3-week postinjury, which showed a decrease in the size and attenuation of the epidural hematoma.