Entrapment of the inferior oblique and inferior rectus muscles in orbital trapdoor fracture

ABSTRACT

A 10-year–old male presented to our institution 6 days after sustaining trauma to his right eye from a fall. A thorough physical examination could not be done due to severe eye pain and inability to open the eyelids; however, computed tomographic imaging done at this time showed a trapdoor fracture with incarceration of the inferior oblique and inferior rectus muscles. The fracture was reduced through a transconjunctival incision and secured with a polytetrafluoroethylene implant. Three months after the surgery, extraocular motility is almost full and equal.

KEYWORDS:

• Entrapment
• inferior oblique muscle
• inferior rectus muscle
• trapdoor fracture

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