Table 1.
Comparison among 3 patients (Case 1; giant cell tumor of tendon sheath/Case 2: calcifying aponeurotic fibroma/Case 3 rheumatoid arthritis).
| Case 1 | Case 2 | Case 3 | |
| Age/sex | 54/Man | 59/Woman | 59/Woman |
| Radiograms | |||
| Bony invasion | |||
| Metacarpal bases | + | + | + |
| Distal carpal bones | + | + | + |
| Proximal carpal bones | + | + | + |
| Distal radius or ulna | − | − | + |
| Joints involvement | |||
| Carpometacarpal | + | + | + |
| Midcarpal | + | + | + |
| Radiocarpal | − | − | + |
| Other findings | |||
| Volar side combined | − | + | ++ |
| Calcification | − | + | − |
| Arthritis | − | − | + |
| Tendon injury | − | − | − |