Presentation
Left shoulder injury and pain.
Patient Data
Age: 10 years
Gender: Male
From the case:
Fallen fragment sign
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Pathological fracture through a proximal humeral metaphyseal lesion in a skeletally immature patient. The lesion is lucent, expansile, and well demarcated with a narrow zone of transition. Medially at the fracture site, there is a piece of cortex demonstrating the fallen fragment sign (arrow) of fracture through a bone cyst.
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