Objective:To illustrate the value of digital subtraction dacryocystography in the diagnosis of lacrimal duct obstruction.
目
:评
数字减影
道造影术在临床检查道阻塞中应
。
囊造影[术]Objective:To illustrate the value of digital subtraction dacryocystography in the diagnosis of lacrimal duct obstruction.
目:评数字减影道造影术在临床检查道阻塞中应。
Dacryocystography was preformed in all patients before operation to confirm the obstructive sity and the size of lacrimal sac.
术前造影以了解囊大小和阻塞
，以选择最佳手术适应证。
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