From the case:
Aneurysmal bone cyst (ABC)
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Initial radiographs demonstrate a lucent expansile lesion involving the right neck of fibula.
From the case:
Aneurysmal bone cyst (ABC)
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Bone scan demonstrates the "doughnut sign" of aneurysmal bone cyst: peripheral uptake with a photopenic centre.
From the case:
Aneurysmal bone cyst (ABC)
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Expansile lesion of the proximal fibular that is T2 hyperintense with numerous fluid-fluid levels. Surrounding soft tissue inflammation.
From the case:
Aneurysmal bone cyst (ABC)
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CT demonstrates lytic lesion in the proximal fibular that is expansile with cortical thinning.
Case Discussion
This case demonstrates the multimodality appearance of an aneurysmal bone cyst (ABC).
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