Aneurysmal bone cyst (ABC)

Case contributed by Dr Alexandra Stanislavsky
X-ray

Initial radiographs demonstrate a lucent expansile lesion involving the right neck of fibula.

Nuclear medicine

Bone scan demonstrates the "doughnut sign" of aneurysmal bone cyst : peripheral uptake with a photopenic centre.

MRI

Expansile lesion of the proximal fibular that is T2 hyperintense with numerous fluid-fluid levels. Surrounding soft tissue inflammation. 

CT

CT demonstrates lytic lesion in the proximal fibular that is expansile with cortical thinning. 

X-ray

Following curettage and bone chip packing.

Case Discussion

This case demonstrates the multimodality appearance of an aneurysmal bone cyst (ABC)

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Case information

rID: 14333
Published: 15th Jul 2011
Last edited: 19th Jun 2018
Inclusion in quiz mode: Included

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