case_images: PMC10566262_01
case_images: Brain CT showing a cerebral edema consisting of a blurring of the white-gray junction and a scarcity of sulci.. CT: computed tomography.
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case_images: The brain X-ray scan was a bit artifacted due to the patient's movements but showed cerebral edema (Figure 1).
case_images: Abdominal CT scan showing a spontaneous hyperdensity surrounding the spinal cord (a; arrows), raising the possibility of a subdural or subarachnoid hematoma, but respecting the epidural fat, it is still hypodense, excluding an apidural hemorrhage (b; arrow).. CT: computed tomography.
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case_images: The abdominal CT showed no particularity at the level of the intra- and retroperitoneal cavity but showed incidentally a spontaneous hyperdensity in the spinal cord respecting the epidural fat, excluding the possibility of an epidural hematoma thus (Figure 2).
case_images: Spine MRI according to sagittal T1 (a), axial T2 (b), and axial T1FS (c,d) showing an hypersignal underlying to the dura mater (white arrows) respecting the epidural fat (a). This hematoma has a mass effect on rootlets that are clumped (b). The incomplete inverted Mercedes-Benz sign is evident on axial images (c, d) attesting the subdural location of this hematoma owing to two lateral denticulate ligaments and a midline dorsal septum (black arrows) generating two posterior collections (arrowheads).. MRI: Magnetic resonance imaging.
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case_images: When a spine MRI was performed, it effectively showed a spinal subdural hematoma, typical of the inverted Mercedes-Benz sign (Figure 3). This hematoma extended from L1 at the level of the lumbar fossae to the terminal part of the dural sac (Figure 3).
case_images: Follow-up MRI of the patient according to the sagittal T1WI, showing the disappearance of the subdural hematoma.
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case_images: He was followed-up at close intervals, and spine MRI was performed at the end of the sixth month which was totally normal (Figure 4).