Case Report

Osteochondroma of the Scapula with Accessory Nerve (XI) Compression

Figure 3

Thoracic MR imaging of the osteochondroma. T1 axial view (a) illustrating the benign 9 mm smooth cap (green arrow). T2 coronal (b) and sagittal (c) views showing the osteochondroma measuring 2.6 cm T × 2.6 cm AP × 2.2 cm CC (orange arrows) located on the right scapula and compressing the accessory nerve (blue arrows).