Trigeminal Neuralgia Presenting as Chiari I Malformation

Chakraborty, Adity; Bavetta, S; Leach, John; Kitchen, Neil

doi:10.1055/s-2003-37959

Cited by 20 publications

(18 citation statements)

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“…investigate the singlet eigenstates using variational exact diagonalization (VED) [31][32][33] and an extension of the Momentum Average (MA) approach [22,30,[34][35][36].…”

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confidence: 99%

Light Bipolarons Stabilized by Peierls Electron-Phonon Coupling

et al. 2018

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It is widely accepted that phonon-mediated high-temperature superconductivity is impossible at ambient pressure, because of the very large effective masses of polarons/bipolarons at strong electron-phonon coupling. Here we challenge this belief by showing that strongly bound yet very light bipolarons appear for strong Peierls/Su-Schrieffer-Heeger coupling. These bipolarons also exhibit many other unconventional properties, e.g. at strong coupling there are two low-energy bipolaron bands that are stable against strong Coulomb repulsion. Using numerical simulations and analytical arguments, we show that these properties result from the specific form of the phononmediated interaction, which is of "pair-hopping" instead of regular density-density type. This unusual effective interaction is bound to have non-trivial consequences for the superconducting state expected to arise at finite carrier concentrations, and should favor a large critical temperature.

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“…investigate the singlet eigenstates using variational exact diagonalization (VED) [31][32][33] and an extension of the Momentum Average (MA) approach [22,30,[34][35][36].…”

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confidence: 99%

Light Bipolarons Stabilized by Peierls Electron-Phonon Coupling

et al. 2018

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“…[4][5][6]14,17 In cases in which hydrocephalus was present along with the CM, cerebrospinal fluid diversion through a ventriculoperitoneal shunt 8 or via endoscopic third ventriculostomy 16 was sufficient. Our patient regained her facial sensation and gag reflex following posterior fossa decompression and partial C-1 laminectomy.…”

Section: Discussionmentioning

confidence: 99%

Incomplete lateral medullary syndrome in a patient with Chiari malformation Type I presenting with combined trigeminal and vagal nerve dysfunction

Dahdaleh¹,

Menezes²

2008

PED

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The combination of unilateral trigeminal and vagal nerve dysfunction is a rare presentation in patients with Chiari malformation Type I (CM-I). The authors present a case of incomplete lateral medullary syndrome in a patient with CM-I. The patient's symptoms of decreased unilateral facial sensitivity to pain and temperature and her vocal cord dysfunction reversed after posterior fossa decompression and intradural exploration. Although rare, clinicians should be aware of this presentation as part of a protean spectrum of symptoms in patients with CM-I.

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“…Cerebellopontine angle schwannomas and other tumors, multiple sclerosis and Chiari malformation have been previously reported. [2][3][4]7 Trigeminal neuralgia with Dandy-Walker malformation, as reported here, may be coincidental; however, there may be an etiological association between Dandy-Walker malformation and trigeminal neuralgia. We suggest that trigeminal neuralgia associated with a Dandy-Walker cyst may be caused by traction and direct deformation of the nerve, rather than vascular compression as is usually thought to be the case.…”

Section: Introductionmentioning

confidence: 86%

“…1 Imaging studies have demonstrated an increased incidence of intracranial arachnoid cysts in patients with ADPKD. 2 Chronic subdural haematoma (CSDH) as a complication of arachnoid cyst is well documented 3-6 but its association with arachnoid cyst in ADPKD has not been reported. [7][8] We report a case of CSDH complicating an intracranial arachnoid cyst in a patient with ADPKD.…”

Section: Introductionmentioning

confidence: 99%