Weiss R L, Zahtz G, Goldofsky E, Parnes H, Shikowitz M J
Department of Otolaryngology and Communicative Disorders, Long Island Jewish Medical Center, New Hyde Park, NY 11042, USA.
Laryngoscope. 1997 Mar;107(3):321-7. doi: 10.1097/00005537-199703000-00008.
A high jugular bulb is often discovered as an incidental finding that is asymptomatic. Conductive hearing loss in association with this anomaly may occur, but has been reported infrequently in the literature. We report five cases of high jugular bulb and associated conductive hearing loss. Mechanisms to explain the conductive hearing loss include contact of the jugular bulb with the tympanic membrane, interference with the ossicular chain, and obstruction of the round window niche. The operative findings, radiographic and audiometric data that support these mechanisms of conductive hearing loss are presented.
高位颈静脉球常作为偶然发现且无症状。与这种异常相关的传导性听力损失可能会发生，但在文献中报道较少。我们报告了5例高位颈静脉球及相关传导性听力损失的病例。解释传导性听力损失的机制包括颈静脉球与鼓膜接触、对听骨链的干扰以及圆窗龛阻塞。本文展示了支持这些传导性听力损失机制的手术发现、影像学和听力测定数据。
