Bone within a bone appearance

Dr Dai Roberts and Dr Jeremy Jones et al.

Bone within a bone is a descriptive term applied to bones that appear to have another bone within them. There are numerous causes including:

A useful mnemonic to remember the etiologies is: GHOST DRAGON.

Article information

rID: 8377
Section: Signs, Gamuts
Synonyms or Alternate Spellings:
  • Bone in bone appearance
  • Bone within a bone sign
  • Bone within bone
  • Bone in bone

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Cases and figures

  • Case 1: osteopetrosis
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  • Case 2: idiopathic / normal variant
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  •  Case 3: osteopetrosis
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