Bewegungsapparat

Exostosis (Osteochondroma)

  1. metaphyseal location, usually points away from adjacent joint
  2. most common location: knee
  3. normal marrow, cortex and periosteum extending from normal bone
  4. cartilage cap, may show chondroid matrix
  5. growth ceases at skeletal maturity
  6. pain or continued growth sign for transformation to osteosarcoma (up to 5%)
 

Diskussion