VERTEBRAL ARTERY DISSECTION
\vˈɜːtɪbɹə͡l ˈɑːtəɹi da͡ɪsˈɛkʃən], \vˈɜːtɪbɹəl ˈɑːtəɹi daɪsˈɛkʃən], \v_ˈɜː_t_ɪ_b_ɹ_əl ˈɑː_t_ə_ɹ_i d_aɪ_s_ˈɛ_k_ʃ_ə_n]\
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Dissection of the wall of the vertebral artery, leading to the formation of an aneurysm that may occlude the vessel. Thrombus formation may occur and give rise to emboli. Cervical fractures or related NECK INJURIES and CRANIOCEREBRAL TRAUMA are commonly associated conditions, although this process may occur spontaneously. Ischemia, infarction, and hemorrhage in the vascular distribution of the affected vertebral artery may complicate this condition.
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