Table 1.
Pattern recognition in DGC-related muscular dystrophies at the thigh level
| In the proximal thigh | In the distal thigh | ||||
|---|---|---|---|---|---|
| The trefoil with single fruit sign | Severe fatty infiltration and atrophy of adductor longus | Adductor longus medial sparing | The concentric fatty infiltration | Relative sparing of vastus intermedius and vastus medialis | |
| LGMD2D | 2/11 (18.18%) | 8/11 (72.72%) | 5/11 (45.45%) | 9/11 (72.73%) | 2/11 (18.18%) |
| LGMD2E | 2/5 (40.00%) | 2/5 (40.00%) | 2/5 (40.00%) | 4/5 (80.00%) | 1/5 (20.00%) |
| LGMD2C | 0/1 (0.00%) | 1/1 (100.00%) | 1/1 (100.00%) | 1/1 (100.00%) | 0/1 (0.00%) |
| Sarcoglycanopathies | 4/17 (23.53%) | 11/17 (64.71%) | 8/17 (47.06%) | 14/17 (82.35%) | 3/17 (17.65%) |
| LGMD2I | 2/10 (20.00%) | 6/10 (60.00%) | 5/10 (50.00%) | 9/10 (90.00%) | 1/10 (10.00%) |
| DMD | 15/16 (93.75%) | 0/16 (0.00%) | 0/16 (0.00%) | 0/16 (0.00%) | 12/16 (75.00%) |
| BMD | 6/6 (100.00%) | 1/6 (16.67%) | 0/6 (0.00%) | 0/6 (0.00%) | 3/6 (50.00%) |
| Dystrophinopathies | 21/22 (95.45%) | 1/22 (4.55%) | 0/22 (0.00%) | 0/22 (0.00%) | 15/22 (68.18%) |
Sarcoglycanopathies, LGMD2D, LGMD2E, and LGMD2C; FKRP-associated dystroglycanopathy, LGMD2I; Dystrophinopathies, DMD and BMD. DGC, dystrophin-glycoprotein complex; LGMD, limb-girdle muscular dystrophy; DMD, Duchenne muscular dystrophy; BMD, Becker muscular dystrophy