Assessment of transcranial image quality
| Image quality | Contralateral Skull | 3rd Ventricle | Brain stem |
|---|---|---|---|
| Optimal | + | + | + |
| Clinically useful | + | +/− | +/− |
| Insufficient | +/− | − | − |
Note:—Image quality was defined by the number of anatomic structures visualized precontrast.