Fracture of the left zygomaticomaxillary attachmnet with fracture of the anterior and lateral maxillary walls inferior orbital rim fracture and left maxillary hemosinus.
Orbital roof fracture radiology.
Dr robert foley and assoc prof frank gaillard et al.
Orbital fracture pearls are as follows.
A orbital fractures can occur in isolation or with other fracture patterns.
As an isolated orbital roof fracture is a rare entity it is important to.
Most roof fractures are associated with other orbital fractures and result from significant head trauma as a high degree of force is required to fracture this portion of the orbit.
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.
Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13.
Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.
Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle.
It is a thin lamina separating the orbit anteriorly from the frontal sinus and posteriorly from the anterior cranial fossa.
This is typically caused by a direct blow to the central orbit from a fist or ball.
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.
Orbital roof fracture icd 801 01 etiology.
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.
When they do happen they may be associated with intracranial hemorrhages traumatic optic neuropathy and csf leakage into the orbit.
Communited mildly depressed left orbital roof fracture.