Orbital Roof Fracture Radiology

Orbital roof fracture icd 801 01 etiology.

Orbital roof fracture radiology.

The injury can be associated with a violation of the dura necessitating an intracranial approach. As an isolated orbital roof fracture is a rare entity it is important to. When they do happen they may be associated with intracranial hemorrhages traumatic optic neuropathy and csf leakage into the orbit. It is a thin lamina separating the orbit anteriorly from the frontal sinus and posteriorly from the anterior cranial fossa.

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. 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. Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13. Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle.

Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact. A orbital fractures can occur in isolation or with other fracture patterns. This is typically caused by a direct blow to the central orbit from a fist or ball. Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.

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. Orbital fracture pearls are as follows. Displaced orbital roof fracture 3.