enostosis


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  • Names

    • enostosis = medullary cavity
    • osteoma = surface of bone
  • Clinical

    • site: membranous bones (calvarial, facial, jaw), rarely outisde the skull
    • intramedullary lesions: long bone (epiphysis, metaphysis), pelvic bones, vertebral bodies
    • size: < 2 cm
  • Histology

    • lamellar bone
    • lacks marrow