Aneurysmal bone cyst

Case contributed by Dr Paul Smith

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 favoured.


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.

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Case information

rID: 10984
Published: 6th Oct 2010
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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