Clinical presentation in patients with AS
| Symptoms | Acute Onset* | Subacute Onset† | Chronic Onset‡ |
|---|---|---|---|
| Headache | 5 | 4 | 1 |
| Gait disturbance | 0 | 1 | 6 |
| Memory disturbance | 0 | 1 | 6 |
| Incontinence | 0 | 1 | 5 |
| Seizure | 0 | 2 | 0 |
Note:—AS indicates aqueductal stenosis.
* Duration between symptoms and radiologic examination <1 month.
† Duration between 1 and 6 months.
‡ Chronic onset: duration >6 months. Numbers refer to patients in each category.