Aneurysmal bone cyst - mandible

Case contributed by Dr Bahman Rasuli

Presentation

Facial asymmetry.

Patient Data

Age: 25 years
Gender: Male
MRI

There is a 40*47*52 mm well-defined expansile lesion in the condylar process of the right mandible with thinning of the cortical bone.

The lesion has multi-cysts with fluid-fluid and blood-fluid levels displaying heterogeneously hyperintense signal.

After contrast injection, septal enhancement is noted. Overlying soft tissue has a normal thickness without inflammatory changes. 

Case Discussion

Aneurysmal bone cysts are an expansile solitary cystic lesion of bone that most often presented in the second decade of life.  Metaphysis of lower extremity long bone is the most common location. ABC of the calcaneum, mandible, clavicle, and femur are uncommon entities. 

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Case information

rID: 66299
Published: 18th Feb 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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