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

pt. 46yr. c/o pain in left knee from 2-3 days. no h/o trauma .No bp. and DM. please diagnosis and Rx.

@Pt age 42 female bileteral knee joint swelling and pain. Suggest treatment

58 yr old female pt, xray shoulder,h/o shoulder pain frm 15 days