A case of apogeotropic horizontal canal benign paroxysmal positional vertigo (cupulolithiasis) due to head contusion in an adolescent
作者: Atsushi TamuraMichiya Satoh
刊名: Archives of Otolaryngology and Rhinology, 2018, Vol.4 (3), pp.048-049
来源数据库: Peertechz Publications Private Limited
DOI: 10.17352/2455-1759.000075
原始语种摘要: A 17-year-old high school boy who complained of severe positional vertigo visited our hospital. He belonged to an American football team in high school, and his head often hit opponents during games. The vertigo was strongest when his left ear was down in the supine position. Physical examination and computed tomography revealed no abnormalities. However, positional testing revealed apogeotropic direction-changing horizontal nystagmus. Rightward nystagmus in the left-ear-down supine position was stronger than leftward nystagmus in the right-ear-down supine position. Additionally, in the supine position, a null point for horizontal nystagmus was identified, beyond which the nystagmus changed direction. This null point was evident when the head was turned 10 degrees to the side. The...
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  • vertigo 眩晕
  • apogeotropic 无向地性的
  • positional 位置
  • nystagmus 眼球震颤
  • paroxysmal 爆发性的
  • contusion 挫伤
  • horizontal 水平线
  • canal 运河
  • benign 良性的
  • adolescent 青年