Fig. 2
From: Arthroscopic management for early-stage tuberculosis of the ankle
a Preoperative right ankle swelling. b Preoperative radiograph suggesting no bone destruction in the ankle. c Ankle MRI before rheumatoid arthritis treatment, suggesting ankle effusion and mild bone edema of the talus. d Re-examination of MRI after rheumatoid arthritis treatment, suggesting increased edema of the talus and formation of joint cavity lesions. e Small area of cartilage damage under arthroscope. f Right ankle swelling improved 6 weeks postoperatively