Seven questions to ask when looking at an x-ray

A good approach to looking at an X-ray demonstrating an abnormality in the bone is to ask seven questions:
  1. Where is the lesion?
  2. How large is the lesion?
  3. What is the lesion doing to the bone?
  4. What is the bone doing in response?
  5. Is the lesion making matrix?
  6. Is the cortex eroded?
  7. Is there a soft tissue mass?
(from Levesque et al. A Clinical Guide to Primary Bone Tumours)
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