Disease of the skeletal system

1.發育異常

• Achondroplasia軟骨發育異常

2.與基質異常相關

• Osteogenesis imperfecta or Brittle bones
• Mucopolysaccharidoses
• Osteoporosis

3.噬骨細胞異常

• Osteopetrosis
• Paget Disease / Osteitis deformans

4.礦物質恆定異常

• Rickets / Osteomalacia
• Hyperparathyroidism
• renal osteodystrophy

5.骨折

6.骨壞死

7.感染

• Pyogenic osteomyelitis
• Tuberculous osteomyelitis
• Syphilis

8.Tumor/tumot-like lesions

Bone-forming tumors

• Osteoma
• Osteoid osteoma / osteoblastoma
• Osteosarcoma / osteogenic sarcoma

Cartilage-forming tumors

• Osteochondroma
• Chondroma
• Chondroblastoma
• Chondromyxoid fibroma
• Chondrosarcoma

Fibrous and fibro-osseous tumors

• Fibrous cortical defect(nonossifying fibroma)
• Fibrous dysplasia
• Fibrosarcoma and Malignant fibrous histiocytoma

Miscellaneous tumors

• Ewing sarcoma
• Giant cell tumor of bone
• Metastatic tumors to skeleton