Orthopaedics In which of the following condition, proximal interphalangeal joint is involved and distal interphalangeal joint is spared? A Osteoarthritis B Psoriatic arthritis C Rheumatoid arthritis D Ankylosing spondylitis 💡 Explanation In which of the following condition, proximal interphalangeal joint is involved and distal interphalangeal joint is spared? ✓ Correct Answer: C. Rheumatoid arthritis