Image based Question-66578

Deformity as shown in the picture below is characteristic of which among the following ?

A. Osteoarthritis.

B. Rheumatoid arthritis.

C. Ankylosing spondylitis.

D. Psoriatic arthritis.

Correct Answer » B Explanation

Deformity as shown in the picture above represents Swan neck deformity, which is characteristic of Rheumatoid arthritis.

Swan neck deformity is a deformed position of the finger, in which the joint closest to the fingertip is permanently bent toward the palm while the nearest joint to the palm is bent away from it (DIP flexion with PIP hyperextension).