Abstract
Perpose. To demonstrate diagnostic value of three-dimensional computional reconstruction of the lacrimal ducts and modeling of lacrimal drainage for patients with epiphora. Material and methods. The study involved 10 patients with epiphora, parameters of lacrimal sac and nasolacrimal canal were measured, a multislice computed tomography (MSCT), MSCT with contrast and three-dimensional modeling of the passage of tears and canaliculi tests were performed. Results. Patients with lacrimal sac dilation and a slight narrowing of the proximal part of the nasolacrimal canal have no changes according to CT with contrast, but have a retrograde flow from lacrimal sac, registered by means of three-dimensional computional reconstruction. Conclusion. Three-dimensional reconstruction of the lacrimal ducts and computer simulation of lacrimal passage is a useful tools for a negative canaliculi test in patients with epiphora and no changes according to contrast-enhanced CT. Keywords: epiphora, stenosis of lacrimal paths, multiplanar computer tomography with contrast, three-dimensional computional of lacrimal drainage
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