Which of the following radiographic features indicates bony fragments in the gravity-dependent fluid of a simple bone cyst?

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The "Fallen fragment sign" refers to the presence of bony fragments in the dependent fluid of a simple bone cyst, which can be seen on radiographs. The other options are not associated with this finding. The "Rind sign" refers to the thin layer of bone that surrounds a simple bone cyst. The "Shepherd crook deformity" and "Bayonet deformity" are commonly associated with fibrous dysplasia.

Which of the Following Radiographic Features Indicates Bony Fragments in the Gravity-Dependent