Histopathological pattern of patients with anti-MDA5+DM
| Variable | n=17 |
| Histopathological pattern, n (%) | |
| NSIP pattern | 7 (41.2) |
| OP pattern | 0 (0.0) |
| NSIP+OP pattern | 8 (47.1) |
| DAD pattern | 1 (5.9) |
| AFOP pattern | 1 (5.9) |
| All cases with NSIP pattern*, n (%) | |
| Cellular NSIP pattern | 1 (6.7) |
| Fibrotic NSIP pattern | 7 (46.6) |
| Mixed NSIP pattern | 7 (46.6) |
*Only patients with NSIP were included (n=15).
AFOP, acute fibrinous and organising pneumonia; anti-MDA5+DM, anti-melanoma differentiation-associated gene 5 antibody-positive dermatomyositis; DAD, diffuse alveolar damage; NSIP, non-specific interstitial pneumonia; OP, organising pneumonia.