Presentation
Right upper thigh pain.
Patient Data
Age: 17-year-old
Gender: Male
From the case:
Right femoral aneurysmal bone cyst
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Coronal T1
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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