A 65 yrs old lady presented with a swollen and painful knee. On examination, she was found to have grade III osteoarthritic changes. What is the best treatment option ?

A 65 yrs old lady presented with a swollen and painful knee. On examin

1.	A 65 yrs old lady presented with a swollen and painful knee. On examination, she was found to have grade III osteoarthritic changes. What is the best treatment option ?
A.	Conservative management
B.	Arthroscopic washing
C.	Partial knee replacement
D.	Total knee replacement
Answer» E.