Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.
Orbital roof fracture radiology.
It is a thin lamina separating the orbit anteriorly from the frontal sinus and posteriorly from the anterior cranial fossa.
Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle.
The orbital roof is composed of the orbital plate of the frontal bone with a small contribution from the lesser wing of the sphenoid at the apex figures 3 4 and 3 5.
As an isolated orbital roof fracture is a rare entity it is important to.
Very rarely the orbital roof will fracture without displacement of fractures fragments resulting in the non displaced orbital roof fracture.
Orbital roof fracture icd 801 01 etiology.
Communited mildly depressed left orbital roof fracture.
The injury can be associated with a violation of the dura necessitating an intracranial approach.
A orbital fractures can occur in isolation or with other fracture patterns.
Assessing traumatic orbital injuries is an important challenge for radiologists.
Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13.
Common posttraumatic orbital injuries include anterior chamber injuries injuries to the lens open globe injuries ocular detachments intraorbital foreign bodies carotid cavernous fistula and optic nerve injuries.
This assessment is even more difficult when the orbital injury is associated with injuries involving multiple organs.
A three dimensional ct reconstruction demonstrated the extent and shape of the skull fracture fig.
Fractures of the orbital roof are usually seen in combination with extension of linear frontal bone fractures or with complex cranial facial fractures including le fort iii naso orbito ethmoidal noe skull base fractures extending into the anterior skull base.
Orbital fracture pearls are as follows.
Radiological considerations in the setting of orbital roof fracture it is important to fully assess the extent of the fracture including any radiographically apparent concomitant abnormalities.
Radiological considerations in the setting of orbital roof fracture it is important to fully assess the extent of the fracture including any radiographically apparent concomitant abnormalities.
Fracture of the left zygomaticomaxillary attachmnet with fracture of the anterior and lateral maxillary walls inferior orbital rim fracture and left maxillary hemosinus.
Displaced orbital roof fracture 3.
This is typically caused by a direct blow to the central orbit from a fist or ball.
Dr robert foley and assoc prof frank gaillard et al.
