1. MR-guided Focused Ultrasound (MRgFUS) Ablation for the Treatment of Nonspinal Osteoid Osteoma by D. Geiger, A. Napoli, A. Conchiglia, L.M. Gregori, F. Arrigoni, A. Bazzocchi, M. Busacca, O. Moreschini, M. Mastantuono, U. Albisinni, C. Masciocchi, and C. Catalano J Bone Joint Surg Am Volume 96(9):743-751 May 7, 2014 ©2014 by The Journal of Bone and Joint Surgery, Inc.

2. A drawing illustrating a typical cortical osteoid osteoma approached with MRgFUS (Fig. 1-A) and CT-guided radiofrequency (RF) ablation (Fig. 1-B). D. Geiger et al. J Bone Joint Surg Am 2014;96:743-751 ©2014 by The Journal of Bone and Joint Surgery, Inc.

3. Figs. 2-A, 2-B, and 2-C A screenshot from the ExAblate software showing treatment planning for a tibial osteoid osteoma in an eleven-year-old boy. D. Geiger et al. J Bone Joint Surg Am 2014;96:743-751 ©2014 by The Journal of Bone and Joint Surgery, Inc.

4. Images of an eleven-year-old boy (same patient as seen in Fig. 2) treated for a painful tibial osteoid osteoma, including a radiograph (Fig. 3-A), pretreatment CT image (Fig. 3-B), pretreatment contrast-enhanced T1-weighted MR map (Fig. 3-C), pretreatment T... D. Geiger et al. J Bone Joint Surg Am 2014;96:743-751 ©2014 by The Journal of Bone and Joint Surgery, Inc.

5. Images of a twenty-five-year-old man treated for a painful tibial osteoid osteoma, including a pretreatment T2-weighted MR image with fat saturation (Fig. 4-A), a T2-weighted short-tau inversion recovery (STIR) MR image (Fig. 4-B), a T1-weighted MR image (F... D. Geiger et al. J Bone Joint Surg Am 2014;96:743-751 ©2014 by The Journal of Bone and Joint Surgery, Inc.