chondroma


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  • Clinical types

    • enchondroma
      • medullary bone
      • hands, feet
    • periosteal chondroma
      • arises from periosteum
      • long bones
      • proximal humerus
    • multiple chondromatosis
      • extensive involvement of multiple bones
      • hand, foot, femur, humerus, forearm
      • primarily in metaphysis
      • malignant transformation to chondrosarcoma in Ollier disease and Maffucci syndrome

  • Histology

    • benign hyaline cartilage
    • lack bone or soft tissue invasion
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