Proximal interphalangeal, distal interphalangeal & 1st carpometacarpal joint involvement and sparing of wrist is a feature of:
High-Yield Explanation
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.