Inferior floor medial wall lamina papyracea superior roof lateral wall.
Orbital floor fracture inferior rectus entrapment.
It is estimated that about 10 of all facial fractures are isolated orbital wall fractures the majority of these being the orbital floor and that 30 40 of.
Fracture of the orbital floor also known as a blow out fracture can result in entrapment of the inferior rectus muscle limiting upward gaze.
Orbital fat prolapses into the maxillary sinus and may be joined by prolapse of the inferior rectus muscle.
Blowout fracture of the orbital floor with entrapment caused by isolated trauma to the orbital rim.
The most common muscle to be entrapped by the fracture is the inferior rectus muscle.
The most common entrapment is that of the inferior rectus muscle in a fractured floor.
Blowout fractures can occur through one or more of the orbital walls.
However we present a unique case of an inferior rectus muscle entrapment in a medial orbital wall fracture.
Intervention within days for some orbital floor fractures.
Ophthal plast reconstr surg.
A blowout fracture of the orbital floor is defined as a fracture of the orbital floor in which the inferior orbital rim is intact.
In children they tend to be of the trapdoor type which can cause inferior rectus entrapment presenting clinically with limitation of upgaze nausea bradycardia and positive forced ductions.
Inferior blowout fractures are the most common.
Lateral to the orbital canal lies the superior orbital fissure housing cranial nerves iii iv v and vi.
Rhee js kilde j yoganadan n pintar f.
Head and neck trauma exam with special attention to.
For example a fracture might be described as a pure inferior blowout fracture with likely entrapment of the inferior rectus muscle resulting in severely limited up gaze.
Fractures of the orbital floor are common.
Orbital fractures are typically caused by blunt periocular trauma and are one of the most common types of facial fractures.
They can be repaired without an implant in some.