Large Dissecting Aneurysm of the Cervical Internal Carotid Artery Associated with Elongated Styloid Process: A Case Report

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  • Higashi Eiji
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Hatano Taketo
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Saka Makoto
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Ando Mitsushige
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Chihara Hideo
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Hashikawa Takuro
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Takita Wataru
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Tokunaga Keisuke
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Funakoshi Yusuke
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Kamata Takahiko
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan
  • Nagata Izumi
    Department of Neurosurgery, Kokura Memorial Hospital, Kitakyushu, Fukuoka, Japan

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抄録

<p>Objective: A rare case of large dissecting aneurysm of the internal carotid artery caused by elongated styloid process is reported.</p><p>Case Presentation: A 45-year-old woman, who had noted an uncomfortable feeling of the pharynx from 2 years before, developed swelling of the left neck, pharyngalgia, and dysphagia 3 months before. Cervical CTA revealed an aneurysm 27 mm in diameter in the left extracranial internal carotid artery. The styloid process was elongated and displaced the aneurysm, and dissecting aneurysm due to compression was suspected. A covered stent was placed to induce thrombosation in the aneurysm, resulting in alleviation of symptoms, and imaging examinations confirmed thrombosation and regression of the aneurysm.</p><p>Conclusion: Reports of treatment for elongated styloid process complicated by large aneurysm are very rare. A covered stent is a possible therapeutic option if direct surgery is difficult.</p>

収録刊行物

  • 脳神経血管内治療

    脳神経血管内治療 12 (9), 438-443, 2018

    特定非営利活動法人 日本脳神経血管内治療学会

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