Aneurysmal bone cyst - sacrum

Case contributed by Dr Chris O'Donnell

Presentation

7 months of low back pain and waddling gait

Patient Data

Age: 12
Gender: Male
X-ray

Expansile lytic lesion in left body of the sacrum. 

Nuclear medicine

Delayed scan shows minimal isotope accumulation in the left sacrum. 

SPECT coronal slices show photopaenic lesion in left sacrum with foci of increased isotope accumulation. 

MRI

Typical features of ABC ie expansile mass with large cavities containing fluid/fluid levels indicating blood product. Minimal peripheral enhancement of the cystic spaces

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Case information

rID: 16615
Case created: 3rd Feb 2012
Last edited: 21st Sep 2015
Inclusion in quiz mode: Included

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