Table 1 Ultrasonography observations in psoriasis-associated arthritis and rheumatoid arthritis patients and healthy control persons
All | Psoriasis-associated arthritis | Rheumatoid arthritis | Healthy control persons | |
|---|---|---|---|---|
Bone erosions | ||||
MCP joint | 12% | 13% | 18% | 3% |
PIP joint | 12% | 14% | 3% | 13% |
DIP joint | 3% | 4% | 0% | 0% |
MTP joint | 15% | 15% | 24% | 6% |
Bone proliferations | ||||
MCP joint | 4% | 6% | 0% | 0% |
PIP joint | 8% | 12% | 3% | 0% |
DIP joint | 9% | 13% | 0% | 5% |
MTP joint | 5% | 5% | 4% | 6% |
Synovitis | ||||
MCP joint | 22% | 19% | 50% | 3% |
PIP joint | 13% | 13% | 23% | 3% |
DIP joint | 18% | 22% | 23% | 3% |
MTP joint | 44% | 43% | 56% | 34% |
Tenosynovitis | ||||
MCP joint | 7% | 4% | 23% | 0% |
PIP joint | 18% | 16% | 40% | 0% |
DIP joint | 6% | 2% | 20% | 3% |
Insertional changes | ||||
Extensor tendons | 8% | 12% | 3% | 3% |
Flexor tendons | 8% | 7% | 18% | 0% |
Capsular/extracapsular changes | 9% | 7% | 25% | 0% |