SI Joints: Inflammatory Lesions (four quadrants) | ||||
---|---|---|---|---|
 | Suspected Early AS Patients | Confirmed AS Patients | ||
 | Patients | Lesions | Patients | Lesions |
Superior Ileal | 2 | 2 | 5 | 8 |
Inferior Ileal | 8 | 13 | 8 | 16 |
Superior Sacral | 3 | 3 | 6 | 9 |
Inferior Sacral | 6 | 8 | 10 | 15 |
SI Joints: Fatty Replacement of Bone Marrow (four quadrants) | ||||
 | Suspected Early AS Patients | Confirmed AS Patients | ||
 | Patients | Lesions | Patients | Lesions |
Superior Ileal | 2 | 2 | 2 | 2 |
Inferior Ileal | 3 | 4 | 6 | 10 |
Superior Sacral | 3 | 3 | 6 | 9 |
Inferior Sacral | 4 | 5 | 9 | 17 |
Spine: Inflammatory Lesions | ||||
 | Suspected Early AS Patients | Confirmed AS Patients | ||
 | Patients | Lesions | Patients | Lesions |
C-Spine (C2/3-C7/T1) | 2 | 2 | 3 | 5 |
Upper T-Spine (T1/2-T6/7) | 3 | 6 | 6 | 17 |
Lower T-Spine (T7/8-T12/L1) | 7 | 15 | 9 | 21 |
L-Spine (L1/2-L5/S1) | 4 | 5 | 8 | 18 |
Shoulder/pelvic girdle and anterior chest wall: Inflammatory Lesions | ||||
 | Suspected Early AS Patients | Confirmed AS Patients | ||
Sternoclavicular Joint | 1 | 2 | ||
Manubriosternal Joint | 2 | 4 | ||
Costosternal Junction | 1 | 0 | ||
Acromioclavicular Joint | 0 | 3 | ||
Glenohumeral Joint | 0 | 0 | ||
Subacromial Bursa | 0 | 1 | ||
Hip Joint | 4 | 3 | ||
Greater Trochanter | 0 | 1 | ||
Symphysis Pubis | 0 | 1 |