Table 2.
Neuroimaging findings of the patients in the acute stage and at follow-up.
| Patient number | Antigen titer | Acute MRI finding | MRI f/u finding | Image f/u interval (months) |
|---|---|---|---|---|
| Patients with shunts | ||||
| 1 | 1 : 1024 | Meningeal enhancement, mild Hyperintensity over thalamus |
Meningeal enhancement, progression Hyperintensity over bilateral frontal and cerebellum |
4 |
| 2 | 1 : 1024+ | Meningeal enhancement, diffuse | Dilated lateral left frontal ventricle | 98 |
| 3 | 1 : 512 | Meningeal enhancement, diffuse VR dilatation, right side Hyperintensity over right BG |
Meningeal enhancement, regressive change Hyperintensity over bilateral frontoparietal, basal ganglia, and thalami |
24 |
| 4 | 1 : 1024 | Meningeal enhancement, diffuse Hyperintensity over bilateral occipital, right high frontal, and parietal, right genus of corpus callosum |
Meningeal enhancement, diffuse Hyperintensity over right genus of corpus callosum and bilateral occipital lesion regression |
13 |
| 5 | Negative | Dilated bilateral ventricles (CT) | Hyperintensities over bilateral frontoparietal area | 124 |
| 6 | >1 : 1024 | Meningeal enhancement, diffuse Hyperintensity over suprasellar area |
Complete regression | 50 |
| 7 | 1 : 128 | Meningeal enhancement, diffuse Hyperintensity over bilateral cerebellum and bilateral BG |
Dilated lateral ventricles Hyperintensity over bilateral cerebellum |
35 |
| 8 | Negative | Prominent ventricles Hyperintensity over bilateral BG |
Complete regression | 111 |
| 9 | 1 : 8 | Meningeal enhancement, diffuse VR dilatation, right side |
Meningeal enhancement, diffuse VR dilatation, right side |
120 |
| 10 | 1 : 2048 | Hyperintensity over left frontoparietal area Dilated bilateral ventricles |
Complete regression | 97 |
|
| ||||
| Patients without shunts | ||||
| 11 | 1 : 8+ | VR dilatation, bilateral | Complete regression | 117 |
| 12 | 1 : 8 | No active lesion | No active lesion | 132 |
| 13 | 1 : 256+ | No active lesion | No active lesion | 97 |
| 14 | Negative | No active lesion (CT) | No active lesion | 115 |
| 15 | 1 : 128 | Meningeal enhancement over posterior fossa and perivascular space of supratentorium, VR dilatation, bilateral |
Complete regression | 12 |
| 16 | None | No active lesion (CT) | No active lesion | 127 |
| 17 | 1 : 256 | Meningeal enhancement over right occipital and bilateral central sulci Hyperintensity over right occipital and bilateral parietal area |
Dilated lateral ventricles | 19 |
| 18 | Negative | No active lesion (CT) | Dilated lateral ventricles | 168 |