Figure 031_0769.

Psoriatic arthritis. A, psoriatic lesions on the skin of the outer aspect of both hands, telescopic finger I of the right hand, characteristic involvement of the distal interphalangeal joints, subluxation of the distal phalanx of finger III of the left hand, sausage-shaped finger II of the right hand. B, nail pitting.

Figure 031_0769.  Psoriatic arthritis.  A , psoriatic lesions on the skin of the outer aspect of both hands, telescopic finger I of the right hand, characteristic involvement of the distal interphalangeal joints, subluxation of the distal phalanx of finger III of the left hand, sausage-shaped finger II of the right hand.  B , nail pitting.