Abstract
Objective:To explore the value of 128 slice spiral CT 3D reconstruction in dorsum narrow osteotomy.Method:Twenty cases of nasolacrimal duct injury patients were collected from January 2014 to June 2015 as observation group;and other 20 cases healthy adults were for control group.Maximum anteroposterior diameter and left-right diameter of lacrimal sac,distance of top and bottom of lacrimal sac,the nasolacrimal duct length,nasolacrimal duct wall thickness,nasofrontal angleand the distance of middle turbinate to the top and bottom of the lacrimal sac were analyzed by 128 slice spiral CT 3D reconstruction.Result:In the observation group,the duct length was(11.58±11.58)mm,and nasolacrimal duct wall thickness was(1.25±0.36)mm.Maximum anteroposterior diameter of lacrimal sac was(0.89±0.14)cm,and left-right diameter of lacrimal sac was(0.66±0.06)cm.The distance of top and bottom of lacrimal sac was(1.85±0.04)cm.All the parameters were statistically significant compared with the control group(P<0.05).Conclusion:The application of 128 slice spiral CT 3D reconstruction in dorsum narrow osteotomy of lacrimal duct system,not only could efficiently prevent postoperative lacrimal duct system damage,but also has important reference value in the diagnosis of postoperative lacrimal duct system damage.
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Schedule a callMore From: Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery
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