case_images: PMC8720597_01
case_images: Swollen right knee joint on clinical examination.
case_images: CRIRH2021-7751509.001.jpg
case_images: PMC8720597_01_CRIRH2021-7751509.001.jpg
case_images: fig1
case_images: Examination revealed swollen and tender right knee joint with effusion and limited range of motion (Figure 1).
case_images: Plain radiograph of right knee joint: anteroposterior view (a); lateral view (b).
case_images: CRIRH2021-7751509.002.jpg
case_images: PMC8720597_01_CRIRH2021-7751509.002.jpg
case_images: fig2
case_images: Plain radiographs of right knee joint were normal except for soft tissue swelling (Figure 2).