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. 2024 Apr 30;14(3):e200290. doi: 10.1212/CPJ.0000000000200290

Figure 2. “Normal” Brain MRI in a Patient With SIH.

Figure 2

(A) Axial T1 postcontrast MRI demonstrates no pachymeningeal enhancement or subdural collections. (B) Sagittal T1 MRI demonstrates no significant sagging of the brainstem. (C) Sagittal T2 STIR MRI demonstrates a posterior epidural fluid collection. (D) Axial 3D T2 fat-saturated image demonstrates abnormal epidural fluid surrounding the dura in the midthoracic spine. (E) Dynamic decubitus myelography demonstrates extravasation of subarachnoid contrast into the lateral epidural space at T9-T10 (arrow). (F) Intraoperative photograph during surgical repair demonstrates a lateral dural defect at T9-T10 along the axilla of the left T9 nerve root (arrows). Postoperative T2 fat-saturated imaging in the sagittal (G) and axial (H) planes shows resolution of the epidural fluid collection.