MRI will be analysed with semiquantitative whole organ scoring method (WORMS) c 6 months [clinicaltrials_resource:a33cdb16793ec4883288816c781f93ef]

2 ml of Normal saline intraarticular injection to the knee joint weekly for 5 weeks

MRI will be analysed with semiquantitative whole organ scoring method (WORMS) c 6 months [clinicaltrials_resource:a33cdb16793ec4883288816c781f93ef]

2 ml of Normal saline intraarticular injection to the knee joint weekly for 5 weeks