https://scholars.lib.ntu.edu.tw/handle/123456789/628690
標題: | Argon laser irradiation of the otolithic organ | 作者: | Okuno, T. Nomura, Y. YI-HO YOUNG Hara, M. |
公開日期: | 1-一月-1990 | 卷: | 103 | 期: | 6 | 來源出版物: | Otolaryngology - Head and Neck Surgery | 摘要: | An argon laser was used to irradiate the otolithic organs of guinea pigs and cynomolgus monkeys. After stapedectomy, the argon laser (1.5 W x 0.5 sec/shot) irradiated the utricle or saccule without touching the sensory organs. The stapes was replaced over the oval window after irradiation. The animals used for acute observation were killed immediately for morphologic studies; those used for long-term observation were kept alive for 2, 4, or 10 weeks. Acute observation revealed that sensory and supporting cells were elevated from the basement membrane only in the irradiated area. No rupture of the membranous labyrinth was observed. Long-term observation revealed that the otolith of the macula utriculi had disappeared in 2-week specimens. The entire macula utriculi had disappeared in 10-week specimens. No morphologic changes were observed in cochlea, semicircular canals, or membranous labyrinth. The saccule showed similar changes. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/628690 | ISSN: | 01945998 | DOI: | 10.1177/019459989010300607 |
顯示於: | 醫學院附設醫院 (臺大醫院) |
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