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What is Proximal interphalangeal, distal interphalangeal & 1st carpometacarpal joint involvement and sparing of wrist is a feature of: and explain in detail?
Answer is D (Osteoahritis) :Sparing of wrist and metacarpophalangeal joint with involvement of base of thumb (i.e. carpometacarpal joint) is very characteristic of `osteoahritis'.Both DIP (Herbeden's nodes) and PIP (Bouchard's nodes) are involved in osteoahritis.QDIP is the most common form of idiopathic O.A.