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Vocal cord immobility caused by the long-standing impaction of a fishbone in the hypopharynx.

机译:鱼骨在下咽部的长期撞击导致声带不动。

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摘要

Vocal cord immobility is a rare presentation of an impacted fishbone in the pharynx. The mechanisms can be classified into either mechanical articular fixation or direct/indirect neuropathy of the recurrent laryngeal nerve. We report a case of vocal cord immobility secondary to long-standing impaction of a fishbone in the hypopharynx for at least 9 months. The diagnosis was made by computed tomography (CT) and rigid laryngoscopy because no reliable history was available. The cricoarytenoid joint was not fixed and the function of the vocal cords returned one month after removal of the fishbone. The mechanism of the vocal cord immobility was an injury to the recurrent laryngeal nerve due to the chronic inflammatory reaction in the paraglottic space.
机译:声带固定是咽部受感染鱼骨的罕见表现。该机制可分为喉返神经的机械关节固定或直接/间接神经病变。我们报告了下颌咽部鱼骨长期受累继发声带固定不动至少9个月的情况。由于没有可靠的病史,因此可通过计算机断层扫描(CT)和刚性喉镜检查进行诊断。拆下鱼骨后一个月,环缝骨关节未固定,声带功能恢复。声带固定的机制是由于声门旁间隙中的慢性炎症反应而损伤喉返神经。

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