pls suggest diagnosis age 60 yrs male pt.having swelling in lt knee joint

pls suggest diagnosis male pt age 60 yrs having swelling in lt knee joint

45yr/F pain in left knee joint since 3 months, difficulty in walking NO H/O trauma.no local rise of temp,no swellings.knee ROM near normal and painfull,on Analgesics and chondroprotectives..please suggest treatment options

67/Female with Severe pain in Knee Joint Treated with Analgesics but not Resolved Kindly Give ur suggestions

66 years old male patient having a h/o sevre pain and inflammation in both knee joints with unable to walk since a year..here are some x ray films.. please diagnose the problem and treatment...