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泪道包括泪小管、泪囊及鼻泪管,上端开口于眼内侧泪乳头的泪小点,下通下鼻道。泪道疾病是眼科常见病,包括泪道的先天性病变、肿瘤性病变侵犯、炎症和外伤等,主要病理表现为泪道狭窄或阻塞。早期检查主要为传统性泪道造影,自二十世纪七八十年代以来,各种新的影像学检查方法逐步应用,如CT、MR、超声、数字减影泪道造影及核素泪道造影等,且发展迅速,不仅用于诊断,也参与某些疾病的治疗。本文就近年来泪道影像学检查临床的运用、方法的改进、各种新方法的应用及优缺点等作一综述。
Lacrimal duct, including lacrimal duct, lacrimal sac and nasolacrimal duct, the upper end of the tear opening in the eye inside the tear dot, under the lower nasal passages. Lacrimal duct disease is a common ophthalmology, including congenital lacrimal lesions, tumor lesions violations, inflammation and trauma, the main pathological manifestations of lacrimal duct stenosis or obstruction. The early examination is mainly traditional lacrimal duct radiography. Since the 1970s and 1980s, various new imaging methods have been gradually applied, such as CT, MR, ultrasound, digital subtraction lacrimal duct radiography and radionuclide imaging And so on, and the rapid development, not only for the diagnosis, but also involved in the treatment of certain diseases. In this paper, lacrimal duct imaging in recent years, the clinical application of the method of improvement, the application of various new methods and advantages and disadvantages are reviewed.