Pseudogout - knee
Rheumatoid arthritis - metacarpophalangeal joint
Ankylosing spondylitis- sacro iliac joint
Septic arthritis - knee
Syphilitic arthritis - knee
Gonococcal arthritis - knee
Diabetic Charcot joint - foot(mid tarsal)
Senile osteoporosis- vertebra
Paget’s disease - pelvis
Actinomycosis - mandible
Hemophillic arthritis - knee
Acute osteomyelitis - lower end of femur
Brodie’s abscess - upper end of tibia
Osteochondrosis dessicans - knee elbow