In rheumatoid ahritis the characteristic joint involvement is:
The hallmark feature of rheumatoid ahritis (RA) is persistent symmetric polyahritis (synovitis) that affects the hands and feet, although any joint lined by a synol membrane may be involved. In general, the small joints of the hands and feet are affected in a relatively symmetric distribution. In decreasing frequency, the metacarpophalangeal (MCP), wrist, proximal interphalangeal (PIP), knee, metatarsophalangeal (MTP), shoulder, ankle, cervical are involved.
Rheumatoid Ahritis
Spine
Knee
Metacarpophalangeal joint
Hip joint
Metacarpophalangeal joint