Arthroscopic Excision of Intra-Articular Osteoid Osteoma at the Elbow

Figure 3

Axial T1-weighted (a), T2-weighted (b), and gadolinium-enhanced (c) images on preoperative magnetic resonance imaging. The round lesion shows slightly hyperintense signals compared to adjacent muscles on T1-weighted imaging and hyperintense to intermediate-intensity signals on T2-weighted sequences, with heterogeneous enhancement (arrowhead).

(a)

(b)

(c)