Relationship between the extent of fracture and the degree of enophthalmos in isolated blowout fractures of the medial orbital wall

Evaluation of reconstructed orbital wall fractures: high-resolution MRI using a microscopy surface coil versus 16-slice MSCT

“…Since the introduction of computed tomography (CT) for routine imaging of the orbital skeleton, the rate of identified medial wall and floor fractures has significantly increased [1][2][3][4]. Decisions regarding surgical intervention in the management of orbital wall fractures may be influenced by a variety of factors, such as the presence and severity of restricted ocular motility, the degree of traumatic enophthalmos, and fracture size [4,5].…”

“…Decisions regarding surgical intervention in the management of orbital wall fractures may be influenced by a variety of factors, such as the presence and severity of restricted ocular motility, the degree of traumatic enophthalmos, and fracture size [4,5]. The treatment of choice consists of repositioning the periorbital fat and muscles followed by reconstruction of the fractured area by coverage with different alloplastic or allogenic materials.…”

“…The treatment of choice consists of repositioning the periorbital fat and muscles followed by reconstruction of the fractured area by coverage with different alloplastic or allogenic materials. The most common material employed for this procedure is resorbable polydioxanone sulfate (PDS) [4]. PDS foils are semirigid, biodegradable, flexible plates with strengths varying from 0.15 to 0.50 mm, losing 50% of their strength in the first postoperative month [6].…”

“…Therefore, in cases of symptomatic patients, early evaluation of the postoperative result after orbital wall reconstruction is required prior to a potential secondary intervention. Up to now multislice CT (MSCT) has been the gold standard for postsurgical imaging and for the planning of a necessary intervention [4,[7][8][9]. Besides the disadvantage of limited depiction of the alloplastic implants and the surrounding soft tissue, CT scanning is associated with radiation, especially to the lens of the eye [10,11].…”

“…Besides the disadvantage of limited depiction of the alloplastic implants and the surrounding soft tissue, CT scanning is associated with radiation, especially to the lens of the eye [10,11]. Avaluable alternative-without radiation exposure-is represented by magnetic resonance imaging (MRI) [4,9,12]. However, head or surface coils with diameters lager than 10 cm, normally used for imaging of the orbital skeleton, show limitations in detailed depiction of different tissues within the fractured area.…”