Fig. 3

Osteochrondritis dissecans-like lesion at caudal C3 articular processes. a Sagittal, b transverse and c dorsal multiplanar reconstructed CT images of C3 and C4 cervical vertebrae, showing an irregular concave defect at the left C3 caudal articular process with associated subchondral sclerosis and a very small osteochondral fragment (black arrow). Similar but smaller subchondral defect and sclerosis was noted at the right C3 caudal articular process (white arrow)