Lumbar spine:
The main lumbar spine problem in MPS is kyphosis(脊柱後凸). Symptoms include an obvious kyphosis bend in the back, and back pain.1,2
Normal X-ray:

Normal lumbar spine1
MPS X-rays:

Patient with MPS IV. Note the sharp kyphosis in the thoracolumbar spine.3 This is often diagnosed as congenital kyphosis.
注意明顯的胸腰段脊柱後凸,通常被診斷為先天性脊柱後凸
- Lachman R, et al. J Ped Rehabil Med 2010;3(2):109–118.
- Lampe C. Rheumatology 2012;51:401–402.
- Image courtesy of Klane K White.