PMC10244777_01
Magnetic resonance images of the reported case. Sagittal STIR (A), sagittal T1W pre-contrast (B), transverse T1W FATSAT post-contrast (C), and transverse T2* (D) at the level of C2. The arrows point out the subarachnoid space, which is heterogeneous in all sequences, showing mixed signal intensity on STIR (A) and hyperintensity in T1W (B). The latter is seen clearly in C, in which the epidural fat is suppressed and the hyperintensity within the subarachnoid space is highlighted. This same area corresponds to signal void in T2* (D).
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fig1
T1W pre-contrast hyperintensities and linear T2* signal voids (Figure 1). This intradural/extra-parenchymal lesion extended from the caudal fossa to at least the level of T3. The lesion caused the subarachnoid space to be irregular and uneven in appearance with associated spinal cord compression, that was most evident at the level of C2.