Other X-ray findings in the hands:
- Bullet-shaped phalanges1
子彈形指骨 - Short, proximally pointing metacarpals2
短且近端變尖的掌骨

Normal hand2
Symptoms may include:
- Joint stiffness1 關節僵化
- Claw hand or trigger fingers1
爪狀手,或板機指

Pediatric patient with MPS. Note the classic, very severe proximal pointing, thin cortices, small/irregular carpal bones, and ulnar hypoplasia.3

Pediatric patient with MPS. Note the severe proximal pointing, wide metacarpals and phalanges, and thin cortices.2
- Morishita K and Petty RE. Rheumatology 2011;50:v19–v25.
- Lachman R, et al. J Ped Rehabil Med 2010;3(2):109–118.
- Lachman RS. Radiographic detection of mucopolysaccharidoses (MPS) BioMarin White Paper.