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新生儿泪囊炎是由于先天性泪道发育不足所致,常见有鼻泪管的下端出口被先天性膜组织所封闭;或上皮碎屑堵塞管道,特别是位于近鼻腔的下部;少数病例可由于鼻泪管的骨部狭窄或鼻部畸形所造成。新生儿在出生时鼻泪管膜组织一般即告破裂,如果此膜未破裂,可因泪液积聚,使微生物繁殖,刺激管腔粘膜发炎,而引起新生儿泪囊炎。多为单侧,很少双侧。作者遇到11例,采用泪道探通法治疗,现报告如下:
Neonatal dacryocystitis is due to congenital lack of lacrimal duct due to the common exit of nasolacrimal duct is closed by congenital membranous tissue; or epithelial debris clogging the pipe, especially located in the lower part of the nasal cavity; a few cases may be Due to nasolacrimal duct stenosis or nasal deformity caused. Neonates at birth nasolacrimal duct tissue usually rupture, if this film is not ruptured, tear accumulation, so that microbial proliferation, irritation of the lumen mucosa, causing neonatal dacryocystitis. Mostly unilateral, rarely bilateral. The authors encountered 11 cases, using lacrimal probing therapy, are as follows: