Causes of type III magnetic susceptibility artifacts in 67 patients
| Cause | Cases |
|---|---|
| Blood products | 38 (25) |
| Surgical site | 30 (20) |
| Calcium | 12 (8) |
| Embolization materials | 2 (1) |
| Dental devices | 2 (1) |
| Air | 2 (1) |
| Basal ganglia mineralization | 1 (1) |
| Intracranial pressure monitor | 1 (1) |
Note.—Data in parentheses are the percentage based on 152 patients.