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首页> 外文期刊>The Laryngoscope: A Medical Journal for Clinical and Research Contributions in Otolaryngology, Head and Neck Medicine and Surgery, Facial Plastic and Reconstructive Surgery .. >Inferior retrotympanum revisited: an endoscopic anatomic study.
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Inferior retrotympanum revisited: an endoscopic anatomic study.

机译：下下鼓膜再访：内窥镜解剖学研究。

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摘要

OBJECTIVES/HYPOTHESIS: To describe the inferior retrotympanic anatomy from an endoscopic perspective. STUDY DESIGN: This was an anatomic study on a retrospective case series. METHODS: During November 2009 and December 2009, videos from endoscopic middle ear procedures carried out between June 2007 and November 2009 and stored in our database were retrospectively reviewed. Surgeries in which the inferior retrotympanic region was visualized were included in the study. Accurate descriptions of the anatomic findings were made for each ear included in the study group. RESULTS: The final study group consisted of 25 videos from 25 ear procedures. In 14/25 subjects, a bony ridge connecting the inferior portion of the styloid prominence to the anterior and inferior lip of the round window niche (Proctor's sustentaculum promontory) was identified and renamed the finiculus (from the Latin finis, -is: borderline), representing the ideal limit between the inferior retrotympanum and hypotympanum. In 14/25 patients, a complete sinus subtympanicus could be identified, lying between the subiculum and finiculus. CONCLUSIONS: Endoscopic exploration of the middle ear might guarantee a very good exposure of the inferior retrotympanum, allowing detailed anatomic descriptions of this hidden area. Improvement in our knowledge of its anatomy might decrease the possibility of residual disease during cholesteatoma surgery.
机译：目的/假设：从内窥镜的角度描述下鼓膜下解剖。研究设计：这是一项回顾性病例系列的解剖研究。方法：回顾性分析了2009年11月至2009年12月在2007年6月至2009年11月之间进行的内窥镜中耳手术的视频并存储在我们的数据库中。研究包括下鼓膜下区域可视化的手术。对研究组中每只耳朵的解剖结果进行了准确的描述。结果：最后的研究小组由来自25个耳部手术的25个视频组成。在14/25的受试者中，确定了将茎突突出的下部与圆窗小生境（Proctor的sustentaculum海角）的前唇和下唇连接的骨，并将其重命名为小纤维（来自拉丁语finis，-is：borderline） ，代表下下鼓膜和下鼓膜之间的理想界限。在14/25例患者中，可以识别出位于鼻下丘和纤毛之间的完整窦性下鼓室。结论：内窥镜检查中耳可能保证下下鼓膜的良好暴露，从而可以对该隐蔽区域进行详细的解剖学描述。我们对其解剖学知识的了解可能会减少胆脂瘤手术中残留疾病的可能性。

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