Expansile lytic lesion with fluid-fluid levels within the metaphysis of fibula seen on CT and MRI in an early adolescent female is typical of –

Amongst given options, fluid-fluid levels are seen in GCT and ABC. Lesion in question is metaphyseal:-               ABC →  Metaphyseal              GCT →  Epiphyseal Age of the patient is early adolescent:-              ABC →  Before the age of 20 years             GCT →  20 - 40 years So, the answer to the question is ABC.