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Spontaneous vertebral artery dissection with thunderclap headache: a case report and review of the literature.
CONCLUSION: The most common neuroimaging findings of VAD were vertebral artery stenosis, followed by the string and pearls sign, arterial dilation, arterial occlusion, and the less common but most characteristic features of pseudoaneurysm formation, double lumen, and intimal flap. Pain in VAD mostly occurred in the ipsilateral posterior occipitonuchal region, with throbbing features in 50- 60% of the patients. Only one fifth of patients with VAD present with a thunderclap pattern. In stroke among young patients or stroke with pain in the head and neck, angiography study of the craniocervical artery is highly recommended. ...
Source: Acta Neurologica Taiwanica - December 12, 2015 Category: Neurology Tags: Acta Neurol Taiwan Source Type: research

A Rare Case of Painful Trigeminal Neuropathy Secondary to Lateral Medullary Infarct: Neuroimaging and Electrophysiological Studies.
CONCLUSION: Painful trigeminal neuropathy attributed to lateral medullary infarct is a unique disease entity. Ophthalmic branch involvement, coexisting sensory deficits, absence of triggers, and rapid evolvement and remission are its characteristics. Our neuroimaging study delineated ischemic stroke pathology within descending tract and spinal nucleus of trigeminal nerve. Serial electrophysiological studies provide evidences supporting ephaptic transmission as the main pathogenesis concordant with dynamics of neuropathic pain and therapeutic implications. PMID: 26179839 [PubMed - in process]
Source: Acta Neurologica Taiwanica - December 12, 2015 Category: Neurology Tags: Acta Neurol Taiwan Source Type: research

A case with prolonged headache after COVID-19 vaccination and later developed Bell's palsy
CONCLUSION: Reactivation of latent herpes virus has been suggested as one of the possible mechanisms underlying the phenomenon, but the causal pathophysiology related to the symptom needs further validation. Moreover, in the event of facial palsy post-vaccination, alternative diagnoses such as Guillain-Barre syndrome (GBS), Ramsey-Hunt syndrome, Lyme disease, trauma, central nervous system infection (CNS) infection, or stroke should also be considered.PMID:37198509
Source: Acta Neurologica Taiwanica - May 17, 2023 Category: Neurology Authors: Yi-Yang Hsiao Ling-Jun Liu Yo-Lin Lin Source Type: research

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