Anterior Impingement Syndrome of the Ankle Caused by Osteoid Osteoma in the Talar Neck Treated with Arthroscopy and 3D C-Arm-Based Imaging

<div>(a) Arthroscopy of the left ankle joint. Hyperplasia with hyperemia of the joint synovium was noted. (b) After synovectomy, a red subperiosteal lesion was seen through the thinned cortex of the talar neck.</div>

Case Reports in Orthopedics

fig4

Figure 4

Figure 4: Anterior Impingement Syndrome of the Ankle Caused by Osteoid Osteoma in the Talar Neck Treated with Arthroscopy and 3D C-Arm-Based Imaging 