| MCTD | mixed connective tissue disease |
|---|---|
| OCTD | overlap connective tissue disease |
| UCTD | undifferentiated (unclassifiable) connective tissue disease |
| uCTD | undifferentiated connective tissue disease |
| ABCDES | abnormal alignment, bones-periarticular osteoporosis, cartilage-joint space loss, deformities, margi... |