1. Primary Pyomyositis by J. Bickels, L. Ben-Sira, A. Kessler, and S. Wientroub J Bone Joint Surg Am Volume 84(12):2277-2286 December 1, 2002 ©2002 by The Journal of Bone and Joint Surgery, Inc.

2. Age distribution of the patients with primary pyomyositis in our review. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

3. Figs. 2-A and 2-B Anatomic distribution of the infections in the 676 patients with primary pyomyositis in our review. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

4. Contrast-enhanced computerized tomography scan of a sixty-seven-year-old woman with pyomyositis of the right psoas muscle, showing asymmetric enlargement of the muscle with abscess formation (arrows). J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

5. Figs. 4-A, 4-B, and 4-C An eleven-year-old boy with pyomyositis of the right iliopsoas muscle following trauma to the hip. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

6. The contralateral normal iliopsoas muscle is shown (arrows). J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

7. Ultrasonography-guided needle aspiration (the arrows point to the needle within the abscess cavity) and intravenous administration of antibiotics were followed by rapid resolution of fever, pain, and local signs of infection. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

8. Figs. 5-A and 5-B A four-year-old girl with fever, nonspecific hip pain, and a broad-based gait. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.

9. Axial T1-weighted image with fat saturation following injection of contrast medium, demonstrating diffuse muscle enhancement (arrow) with no evidence of abscess formation. J. Bickels et al. J Bone Joint Surg Am 2002;84:2277-2286 ©2002 by The Journal of Bone and Joint Surgery, Inc.