Right femoral aneurysmal bone cyst

Case contributed by Dr Amr Farouk


Right upper thigh pain.

Patient Data

Age: 17-year-old
Gender: Male

Right femoral shaft upper diaphyseal sharply defined, expansile osteolytic lesion, with thin peripheral margins showing multilocular appearance eliciting isointense signal on T1, alternating isointense to high signals on T2 & STIR WIs, with fluid-fluid levels. It measures 2.1 x 6.5 cm along its maximal axial & craniocaudal dimensions. No MR evidence of cortical disruption or associated soft tissue components.

Case Discussion

Right upper femoral shaft expansile osteolytic lesion showing fluid/fluid levels with no associated soft tissue component representing an aneurysmal bone cyst.

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Case information

rID: 40567
Published: 26th Oct 2015
Last edited: 31st Jan 2020
Inclusion in quiz mode: Included

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