Figure 2

Anteroposterior (A) and Lateral (B) X-Ray view of the right knee. A soft tissue mass in the anterior-medial side of the proximal tibia with no evident continuity with the bone or cortical invasion was apparent.
Anteroposterior (A) and Lateral (B) X-Ray view of the right knee. A soft tissue mass in the anterior-medial side of the proximal tibia with no evident continuity with the bone or cortical invasion was apparent.