Bone cysts and cyst-like conditions

From greek.doctor
  • Bone cysts and cyst-like conditions are not true tumours
    • MRI is best for diagnosis
    • Simple bone cyst
      • = serous fluid-filled lesion
      • Usually found in young people
    • Aneurysmal bone cyst (ABC)
      • Shows multiple fluid lines (niveau) on MRI or CT
      • Because it contains multiple liquids of different density
    • Non-ossifying fibroma
      • Due to dysfunctional ossification
      • Located in metaphysis of long bones of the lower extremity
      • Has such a characteristic x-ray appearance that MRI or biopsy is not necessary
        • “Bubbly” lytic lesion with sclerotic outline on x-ray