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Symptoms/signs at presentation
| Symptom | Number of patients (%) |
|---|---|
| Hydrocephalus | 17/23 (73.9) |
| Headache | 14/23 (60.9) |
| Vomiting | 8/23 (34.8) |
| Nausea | 7/23 (30.4) |
| Syncope | 6/23 (26.1) |
| No symptoms | 4/23 (17.4) |
| Confusion/mentation | 3/23 (13.0) |
| Vision abnormalities | 3/23 (13.0) |
| Dizziness | 3/23 (13.0) |
| Coma | 2/23 (8.7) |
| Fever | 1/23 (4.3) |
