Clinical and angiographic characteristics of 11 patientsa
| Case No. | Age (yr) | Sex | Clinical Presentation | Suzuki | Collaterals ACA | Collaterals MCA | Collaterals PCA | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Left | Right | Left | Right | Left | Right | Left | Right | ||||
| 1 | 48 | F | Headache | 0 | III | 0 | 0 | 0 | 2 | 0 | 0 |
| 2 | 36 | M | Headache | 0 | III | 0 | 0 | 0 | 2 | 0 | 0 |
| 3 | 45 | M | TIA (left weakness) | II | IV | 2 | 2 | 0 | 2 | 0 | 0 |
| 4 | 39 | F | TIA (right weakness) | II | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| 5 | 33 | F | Headache | II | II | 2 | 1 | 1 | 1 | 0 | 0 |
| 6 | 35 | F | TIA (left weakness) | IV | IV | 2 | 2 | 1 | 1 | 1 | 1 |
| 7 | 44 | M | Right facial, arm numbness, slurred speech | IV | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| 8 | 41 | M | TIA (right weakness) | IV | III | 0 | 1 | 2 | 2 | 0 | 0 |
| 9 | 10 | F | Asymptomatic | IV | 0 | 1 | 0 | 2 | 0 | 0 | 0 |
| 10 | 11 | F | TIA (right hand weakness) | IV | IV | 2 | 2 | 2 | 2 | 0 | 0 |
| 11 | 33 | F | Asymptomatic | III | II | 2 | 2 | 2 | 2 | 0 | 1 |
a 0 indicates no collaterals (M−P−); 1, Moyamoya collaterals only (M+P−); 2, pial and Moyamoya collaterals (M+P+).