Orbital Roof Fracture Radiology

Orbital fracture pearls are as follows.

Orbital roof fracture radiology.

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. The injury can be associated with a violation of the dura necessitating an intracranial approach. It is a thin lamina separating the orbit anteriorly from the frontal sinus and posteriorly from the anterior cranial fossa. Communited mildly depressed left orbital roof fracture.

A orbital fractures can occur in isolation or with other fracture patterns. 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. 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.

This is typically caused by a direct blow to the central orbit from a fist or ball. Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact. Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle. Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.

Displaced orbital roof fracture 3. Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13. As an isolated orbital roof fracture is a rare entity it is important to. 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.