Imaging findings in 16 patients with intracranial hypotension
| Pt No. | tce | sdf | bs | cer | ang | sag | Sag Ratio | dil | bg | enl |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | n.d. | y | n.d. | n.d. | n.d. | n | 0.83 | n.d. | + | n.d. |
| 2 | n.d. | y | n.d. | n.d. | n.d. | y | 0.90 | n | + | n.d. |
| 3 | n.d. | y | n | y | 88 | y | 0.92 | n | ++ | n.d. |
| 4 | n.d. | y | n | n | n.d. | n | 1.00 | n.d. | + | y |
| 5 | n.d. | n | n.d. | n.d. | n.d. | y | 1.15 | n.d. | + | n.d. |
| 6 | n.d. | n | n.d. | n.d. | n.d. | y | 0.92 | n.d. | + | n.d. |
| 7 | n.d. | n | n.d. | n.d. | 70 | n | 1.09 | n.d. | ++ | n.d. |
| 8 | n.d. | y | n.d. | n.d. | n.d. | y | 1.00 | n.d. | + | n.d. |
| 9 | n.d. | n | n.d. | n.d. | 58 | y | 0.83 | n.d. | ++ | n.d. |
| 10 | n.d. | n | n | y | n.d. | n | 0.87 | n.d. | ++ | n.d. |
| 11 | n.d. | n | y | y | 44 | y | 1.11 | n | +++ | y |
| 12 | n.d. | n | y | y | n.d. | y | 0.88 | n | ++ | n.d. |
| 13 | n.d. | n | n.d. | n.d. | n.d. | y | 0.92 | n.d. | + | n.d. |
| 14 | n | y | y | y | 102 | y | 1.00 | n | + | n |
| 15 | n | y | y | y | 130 | n | 0.96 | n | +++ | n |
| 16 | y | y | y | y | 105 | y | 1.00 | y | ++ | n.d. |
Note:—tce indicates dural thickening and enhancement; sdf, subdural fluid collections; bs, brain stem hyperintensity; cer, cerebellar hyperintensities; ang, angle of vein of Galen to straight sinus; sag, brain sagging; sag ratio, maximal anterior-posterior midbrain diameter divided by maximal bipeduncular diameter; dil, dilation of intracranial dural sinuses and/or spinal epidural plexuses; bg, hyperintense thalamic/basal ganglia signal; enl, enlargement of pituitary gland; y, yes; n, no; n.d., not determinable.