Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 2002
[Study of computed tomographic dacryocystography used in endoscopic intranasal dacryocystorhinostomy preoperatively].
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Jiang Manjie, Zhang Suqin, Li Zhaoji, Zhou Shuimiao, Liu Yingwan, Wang Ergui
Аннотация
OBJECTIVE: To study computed tomographic dacryocystography used in endoscopic intranasal dacryocystorhinostomy preoperatively.
METHOD: Ten volunteers and twelve patients with dacryocystitis were undergone the coronary and axial computed tomographic dacryocystography.
RESULT: According to the anatomic relationship between anterior ethmoid sinus and fossa of lacrimal sac, the cells of anterior ethmoid sinus were classified into three typies: the result was that type I accounted for 12 sides (27.3%), type II 18 sides (40.9%), type III 14 sides (31.8%) by analysing the data of axial dacryocystographies; the sites of obstruction were connection of the lacrimal sac with nasolacrimal duct, the form of lacrimal sac of 11 patients was normal or enlarged lacrimal sacs, bilateral cricatrized lacrimal sacs were found in one patient by analysing the data of coronary dacryocystographies.
CONCLUSION: Computed tomographic dacryocystography preoperatively can provide significant clinical guidance for the endoscopic transnasal dacryocystorhinostomy in locating the site of bone-opening.
METHOD: Ten volunteers and twelve patients with dacryocystitis were undergone the coronary and axial computed tomographic dacryocystography.
RESULT: According to the anatomic relationship between anterior ethmoid sinus and fossa of lacrimal sac, the cells of anterior ethmoid sinus were classified into three typies: the result was that type I accounted for 12 sides (27.3%), type II 18 sides (40.9%), type III 14 sides (31.8%) by analysing the data of axial dacryocystographies; the sites of obstruction were connection of the lacrimal sac with nasolacrimal duct, the form of lacrimal sac of 11 patients was normal or enlarged lacrimal sacs, bilateral cricatrized lacrimal sacs were found in one patient by analysing the data of coronary dacryocystographies.
CONCLUSION: Computed tomographic dacryocystography preoperatively can provide significant clinical guidance for the endoscopic transnasal dacryocystorhinostomy in locating the site of bone-opening.