Feature of osteoahritis is -: (A) Heberden node, (B) Increased ESR, (C) Onycholysis, (D) Z deformity
Answer is A. Ans. is 'a' i.e., Heberden node Joint involvement in OA Common joints : Knee, Hip, Spine (cervical, lumbosacral), Hand (PIP, DIP, first carpometacarpal), first tarsometatarsal. Uncommon joint : Shoulder Spared : Wrist, elbow, ankle, metacarpophalangeal. In osteoahritis of hand : Distal interphalangeal joint :- Heberden's node. Proximal interphalangeal joint :- Bouchard's node