Question : a 60 year old lady presented with pain and stiffness of joints of hands along with generalized bodyaches. She had history of early morning stiffness of joints of hands for last years. See the following picture. What is the characteristic deformity in this picture?
- Button hole Deformity
- Swan Neck deformity
Ans: This is the characteristic swan neck deformity seen in patients with Rheumatoid arthritis in which there occurs hyperextension of Proximal Interphalangeal joints.
Other important points related to Rheumatoid arthritis:
- Rheumatoid arthritis is characterized by symmetrical involvement of joints all over the body.
- Small joints of hands are involved early with early morning stiffness.
- Spine is usually spared except Cervical spine which is involved in rheumatoid arthritis.
- There occurs narrowing of joint space with Juxtaarticular osteopenia and bony erosions.
- There occurs radial deviation of wrist joint.
Image Source Reference:
By User:Phoenix119 (Own work) [CC BY-SA 3.0], via Wikimedia Commons