Trapdoor fracture

Last revised by Alejandro Planas Callao on 20 Dec 2023

A trapdoor fracture is a fracture of the orbital floor where the inferiorly displaced blowout fracture recoils back to its original position and potentially entraps contents of the orbit. It is seen in children and young adults due to the elasticity of the orbital floor. These fractures may be subtle and are associated with a high risk of tissue entrapment 1.

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