Bone within a bone appearance
Updates to Article Attributes
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was changed:
Bone within a bone is a descriptive term applied to bones that appear to have another bone within them. There are numerous causes including:
- normal
- thoracic and lumbar vertebrae (neonates and infants)
- growth recovery lines (after infancy)
- cortical splitting and new periostitis
- sickle cell disease / thalassaemia / Gaucher disease
- chronic osteomyelitis e.g. congenital syphilis, TB
- scurvy
- Caffey disease (infantile cortical hyperostosis)
-
disordered osteoclastic resorption of the boneosteopetrosisbisphosphonates
- abnormal bone metabolism
- Paget disease of bone
- acromegaly
- osteopetrosis
- bisphosphonate treatment
- disordered bone growth
- heavy metal poisoning (bismuth, lead, thorium)
- hypervitaminosis D
- Thorotrast (ghost vertebrae)
- radiotherapy
- subcortical osteopenia
- leukaemia, metastases
-
SudeckComplex regional pain syndrome (Sudeck atrophy) - idiopathic juvenile osteoporosis
- oxalosis (intraosseous crystal deposition)
- iatrogenic
- bone graft, subcortical bone cement
- bone healing
-
artefactartifact- double exposure
A useful mnemonic to remember the aetiologies is: GHOST DRAGON.
-<li>cortical splitting and new periostitis<ul>- +<li>cortical splitting and new <a title="Periostitis" href="/articles/periosteal-reaction">periostitis</a><ul>
-<li>disordered osteoclastic resorption of the bone <ul>-<li><a href="/articles/autosomal-dominant-osteopetrosis">osteopetrosis</a></li>-<li>bisphosphonates</li>-</ul>-</li>- +<li><a href="/articles/autosomal-dominant-osteopetrosis">osteopetrosis</a></li>
- +<li>bisphosphonate treatment</li>
-<li><a href="/articles/complex-regional-pain-syndrome">Sudeck atrophy</a></li>- +<li>
- +<a href="/articles/complex-regional-pain-syndrome">C</a><a title="Complex regional pain syndrome" href="/articles/complex-regional-pain-syndrome">omplex regional pain syndrome</a> (Sudeck atrophy)</li>
-<li>artefact<ul><li>double exposure</li></ul>- +<li>artifact<ul><li>double exposure</li></ul>
-</ul><p>A useful mnemonic to remember the aetiologies is: <a title="Bone within a bone appearance (mnemonic)" href="/articles/bone-within-a-bone-appearance-mnemonic">GHOST DRAGON</a>.</p><p><!--EndFragment--></p><p><!--EndFragment--></p>- +</ul><p>A useful mnemonic to remember the aetiologies is: <a href="/articles/bone-within-a-bone-appearance-mnemonic">GHOST DRAGON</a>.</p><p><!--EndFragment--></p><p><!--EndFragment--></p>
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