A patient of 45 yrs old Having ahritis with involvolvement of PIP 4 DIP and 9 MCP and sparing of wrist and ankle diagnosis ?

# Osteoahritis is a non-inflammatory, degenerative condition of joints Characterized by degeneration of aicular cailage and formation of new bone is. osteophytes. Primary OA # More common than secondary OA # Cause --Unknown # Common-in elders where there is no previous pathology. # Its mainly due to wear and tear changes occuring in old ages mainly in weight bearing joints. SECONDAY OA : # Due to a predisposing cause such as: linjury to the joint 2.Previous infection 3. RA 4.CD 5. Deformity 6.Obesity 7.hypehyriodism Clinical features * Pain and tenderness -- Usually slow onset of discomfo, with gradual and intermittent increase -- Pain is more on wt. bearing due to stress on the synol membrane & later on due to bone surface,which r rich in nerve endings coming in contact. -initially relieved by rest but later on disturb sleep. -Diffuse/ sharp and stabbing local pain * Movement abnormalities - &;Gelling&;: stiffness after periods of inactivity, passes over within minutes (approx 15min.) of using joint again -- Coarse crepitus: palpate/hear (due to flaked cailage & eburnated bone ends) -- Reduced ROM: capsular thickening and bony changes in joint,ms. Spasm or soft tissue contracture. REF : MAHESWARI 9TH ED