
View larger version (62K):
[in this window]
[in a new window]
|
A 60-year-old man presented with epiphora, or an abnormal overflow of tears, caused by bilateral primary acquired nasolacrimal-duct obstruction. Computed tomography (CT) of the orbits and sinuses performed as part of the preoperative workup showed a hyperdense mass in the posterior segment of the left eye. On questioning, the patient revealed a history of cytomegalovirus retinitis and retinal detachment in the left eye that had previously been treated with vitrectomy and silicone-oil tamponade. Silicone oil is hyperdense relative to the extraocular muscles but hypodense relative to orbital bone, as seen in a CT scan with the patient in the supine . . . [Full Text of this Article] |