2016
DOI: 10.1177/0333102416658713
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A case of cervicogenic headache caused by C5 nerve root derived shwannoma: Case report

Abstract: Introduction We report a case of cervicogenic headache caused by an intradural extramedullary tumor of the middle cervical spine, which has not previously been reported. Case presentation The patient was a 73-year-old male who visited a physician for a chief complaint of pain from the left lower jaw to the auricle and occipital region. The headache was induced with retroflexion of the neck. On cervical magnetic resonance imaging, an intradural extramedullary tumor was noted on the left side at the C4/5 level. … Show more

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Cited by 7 publications
(8 citation statements)
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“…These findings suggest that lesions below C4 can be responsible for CEH in some patients. In agreement with this finding, several case reports and small case series have reported headache relief following surgical treatment of middle‐lower cervical spine disorders …”
Section: Discussionsupporting
confidence: 82%
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“…These findings suggest that lesions below C4 can be responsible for CEH in some patients. In agreement with this finding, several case reports and small case series have reported headache relief following surgical treatment of middle‐lower cervical spine disorders …”
Section: Discussionsupporting
confidence: 82%
“…We can propose several possibilities; first, while most pain stimulation entering through the nerve root passes through the dorsal horn of the spinal cord and ascends via the contralateral anterior spinothalamic tract, some nociceptive input ascends via the ipsilateral spinocervicothalamic tract . It is possible that the spinocervicothalamic tract and trigeminospinal complex communicate through anastomosis . Another possible mechanism is that excessive increases in ROM of the upper cervical spine occurring to compensate for kinesthetic impairment in the lower cervical spine cause overstimulation of the trigeminocervical nucleus, thereby triggering a CEH.…”
Section: Discussionmentioning
confidence: 99%
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“…18 Despite this theory, CGH has been clinically noted in patients with lower cervical spine pathology as well. 19,20 While the trigeminocervical convergence theory explains the origin of CGH from the upper cervical spine, it does not provide a direct neuroanatomic basis for the causation of CGH from the lower cervical spine. Several hypotheses have been proposed by investigators to explain CGH etiology from the lower cervical spine.…”
Section: Cgh Pathophysiology: Current Understandingmentioning
confidence: 99%