Type II Rheumatoid Thumb Deformity

The treatment for a Type II rheumatoid thumb deformity is the same as Type I. Treatment of a Stage I Type III rheumatoids thumb deformity is splinting versus CMC arthroplasty. A Type IV rheumatoidal thumb deformity, which is metacarpal adduction and radial deviation of P1 with a lax, volar plate and UCL,. Finally, a Type VI rheumatid thumb deformity will involve skeletal collapse or arthritis mutilands.