1. Cervical Stenosis and Spastic Quadriparesis in Morquio Disease (MPS IV)‏ by Klane K. White, Suzanne Steinman, and Scott J. Mubarak J Bone Joint Surg Am Volume 91(2):438-442 February 1, 2009 ©2009 by The Journal of Bone and Joint Surgery, Inc.

2. Fig. 1-A and 1-B Flexion and extension lateral radiographs were remarkable for odontoid hypoplasia and subtle C1-C2 instability as demonstrated by narrowing of canal between the odontoid and the posterior arch of C1 (arrows). Klane K. White et al. J Bone Joint Surg Am 2009;91:438-442 ©2009 by The Journal of Bone and Joint Surgery, Inc.

3. Klane K. White et al. J Bone Joint Surg Am 2009;91:438-442 ©2009 by The Journal of Bone and Joint Surgery, Inc.

4. Klane K. White et al. J Bone Joint Surg Am 2009;91:438-442 ©2009 by The Journal of Bone and Joint Surgery, Inc.

5. Radiograph, made at the time of the twenty-six-year follow-up, demonstrating propagation of the fusion down to C3. Klane K. White et al. J Bone Joint Surg Am 2009;91:438-442 ©2009 by The Journal of Bone and Joint Surgery, Inc.

6. The patient continued to have yearly evaluations for twenty-six years, during which time he was employed as a Spanish-English translator and was able to walk in the home with use of a walker. Klane K. White et al. J Bone Joint Surg Am 2009;91:438-442 ©2009 by The Journal of Bone and Joint Surgery, Inc.