Orbital Roof Fracture Radiology

Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle.

Orbital roof fracture radiology.

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. Fracture of the left zygomaticomaxillary attachmnet with fracture of the anterior and lateral maxillary walls inferior orbital rim fracture and left maxillary hemosinus. Dr robert foley and assoc prof frank gaillard et al. Very rarely the orbital roof will fracture without displacement of fractures fragments resulting in the non displaced orbital roof fracture.

Assessing traumatic orbital injuries is an important challenge for radiologists. Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures. Ct scan revealed widening of the frontal bone fracture and the left orbital roof fracture with a hypodense cystic swelling in the left orbit and upper eyelid and left frontal lobe contusion. This is typically caused by a direct blow to the central orbit from a fist or ball.

Displaced orbital roof fracture 3. Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13. 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. A orbital fractures can occur in isolation or with other fracture patterns.

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. As an isolated orbital roof fracture is a rare entity it is important to. Orbital fracture pearls are as follows. Orbital roof fracture icd 801 01 etiology.

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. The injury can be associated with a violation of the dura necessitating an intracranial approach. Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact.

Communited mildly depressed left orbital roof fracture. 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.