Aneurysmal bone cyst
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Aneurysmal bone cyst
X-ray
Frontal
A large lytic lession involving the left illium. There is a narrow zone of transition with no evidence of soft tissue mass or periosteal reaction. A benign pathology is favored.
From the case:
Aneurysmal bone cyst
MRI
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Coronal T1
A large lucent expansile lesion extends from iliac crest to the acetabular roof. Multiple cysts with fluid/fluid levels, are identified. No solid enhancing mass is identified.
Case Discussion
Features are consistent with an aneurysmal bone cyst.