SYRINGOMYELUS
\sɪɹˈɪnd͡ʒəmɪˌɛləs], \sɪɹˈɪndʒəmɪˌɛləs], \s_ɪ_ɹ_ˈɪ_n_dʒ_ə_m_ɪ__ˌɛ_l_ə_s]\
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Longitudinal cavities in the spinal cord, most often in the cervical region, which may extend for multiple spinal levels. The cavities are lined by dense, gliogenous tissue and may be associated with SPINAL CORD NEOPLASMS; spinal cord traumatic injuries; and vascular malformations. Syringomyelia is marked clinically by pain and PARESTHESIA, muscular atrophy of the hands, and analgesia with thermoanesthesia of the hands and arms, but with the tactile sense preserved (sensory dissociation). Lower extremity spasticity and incontinence may also develop. (From Adams et al., Principles of Neurology, 6th ed, p1269)
By DataStellar Co., Ltd
By William R. Warner
By Willam Alexander Newman Dorland
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Vertebral Artery Dissection
- Dissection wall artery, leading to formation an aneurysm that occlude vessel. Thrombus give rise emboli. Cervical fractures or related NECK INJURIES and CRANIOCEREBRAL TRAUMA are commonly associated conditions, although this process may occur spontaneously. Ischemia, infarction, hemorrhage in the vascular distribution of affected vertebral artery complicate condition.