Frequency of arteriographic lesions by vessel and lesion type.
| Arterial Lesion | Total | Takayasu’s Arteritis | Giant Cell Arteritis |
|---|---|---|---|
| Left common carotid (%) | 24/90 (27) | 20/62 (32) | 4/28 (14) |
| Stenosis | 22 | 18 | 4 |
| Occlusion | 2 | 2 | 0 |
| Aneurysm | 0 | 0 | 0 |
| Right common carotid (%) | 18/89 (20) | 15/61 (25) | 3/25 (11) |
| Stenosis | 17 | 14 | 3 |
| Occlusion | 1 | 1 | 0 |
| Aneurysm | 0 | 0 | 0 |
| Left subclavian (%) | 64/96 (67) | 46/66 (70) | 18/30 (60) |
| Stenosis | 53 | 36 | 17 |
| Occlusion | 10 | 10 | 0 |
| Aneurysm | 1 | 0 | 1 |
| Right subclavian (%) | 47/95 (49) | 31/66 (47) | 16/29 (55) |
| Stenosis | 42 | 26 | 16 |
| Occlusion | 4 | 4 | 0 |
| Aneurysm | 1 | 1 | 0 |
| Left axillary (%) | 23/81 (28) | 12/55 (22) | 11/26 (42) |
| Stenosis | 19 | 10 | 9 |
| Occlusion | 3 | 1 | 2 |
| Aneurysm | 1 | 1 | 0 |
| Right axillary (%) | 19/86 (22) | 7/58 (12) | 12/28 (43) |
| Stenosis | 17 | 6 | 11 |
| Occlusion | 2 | 1 | 1 |
| Aneurysm | 0 | 0 | 0 |
| Left subclavian/axillary (%) | 65/98 (66) | 46/67 (69) | 19/31 (61) |
| Stenosis | 55 | 37 | 18 |
| Occlusion | 13 | 11 | 2 |
| Aneurysm | 2 | 0 | 1 |
| Right subclavian/axillary (%) | 48/97 (49) | 31/66 (47) | 17/31 (55) |
| Stenosis | 54 | 36 | 18 |
| Occlusion | 5 | 4 | 1 |
| Aneurysm | 1 | 1 | 0 |
| Stenosis in any vessel (%) | 72/100 (72) | 53/68 (78) | 19/32 (59) |
| Occlusion in any vessel (%) | 14/100 (14) | 12/68 (18) | 2/32 (6) |
| Aneurysm in any vessel (%) | 3/100 (3) | 2/68 (3) | 1/32 (3) |
| Any type of arterial lesion in any vessel (%) | 76/100 (76) | 56/68 (82) | 20/32 (63) |