Metaphyseal corner fracture (child abuse)

Discussion:

Appearances are consistent with a metaphyseal corner fracture.

In this age group, a metaphyseal injury is not in keeping with accidental trauma. A metaphyseal corner fracture is highly specific for non-accidental injury in a non-ambulant infant. A notable exception is obstetric trauma during difficult delivery.

In this case, there were no other radiological features of NAI.

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