Fig. 3From: MRI-based cartilage changes and clinical effectiveness of autologous intra-articular platelet-rich plasma injections in symptomatic patients with moderate osteoarthritis of the kneeA female, aged 55 years, complaining of pain when getting up. Pre-PRP (A and C) radiographs of the knee with marginal osteophytes and definite osteophytes-grade 2 OA Kellgren and Lawrence OA classification. Post-PRP (B and D) after 1 year of follow-up showed no significant interval changesBack to article page