Orbital Roof Fracture Radiology

Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact.

Orbital roof fracture radiology. Communited mildly depressed left orbital roof fracture. Dr robert foley and assoc prof frank gaillard et al. When they do happen they may be associated with intracranial hemorrhages traumatic optic neuropathy and csf leakage into the orbit. Although common in the pediatric population isolated orbital roof fractures can also occasionally occur in an adult fig 13.

The injury can be associated with a violation of the dura necessitating an intracranial approach. Orbital fracture pearls are as follows. Orbital roof fracture icd 801 01 etiology. Angulated displaced fractures fragments are seen projecting downwards within the orbit indenting the superior rectus muscle.

This is typically caused by a direct blow to the central orbit from a fist or ball. 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. Fracture of the left zygomaticomaxillary attachmnet with fracture of the anterior and lateral maxillary walls inferior orbital rim fracture and left maxillary hemosinus.

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. A orbital fractures can occur in isolation or with other fracture patterns. Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.