Über die neueren Fortschritte in der topischen Diagnostik des Pons und der Oblongata

Marburg, Otto

doi:10.1007/bf01629456

Cited by 49 publications

(5 citation statements)

References 57 publications

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“…Thermodissociation and dissociation of warm and cold sensation as described earlier in medullary lesions [16,17] were not present in our patients. Both patients showed a loss of the pain related responses (N2 and P2) when the affected limb was heat stimulated, whereas the N20 of the conventional electric SSEP was entirely normal (latency and amplitude).…”

Section: Discussioncontrasting

confidence: 64%

Abolished laser-evoked potentials and normal blink reflex in midlateral medullary infarction

Hansen

Baumgärtner

Fitzek

et al. 1999

Journal of Neurology

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IntroductionThe clinical diagnosis of Wallenberg's syndrome is based on classical features such as loss of pain and temperature sensation on the ipsilateral face and contralateral body and limbs, ipsilateral Horner's sign, dysphagia, dysphonia, gait ataxia, and nystagmus [26]. The variability of the clinical pattern, however, is much greater than was initially described [4,14,21] due to the variable arterial supply of the affected region [6,7].We investigated laser-evoked (LEP) and electrically evoked somatosensory (SSEP) potentials, magnetically evoked potentials (MEP), and the blink reflex and examined the correlation between lesion topography and brainstem function in two patients with dissociated hemianalgesia and a sensory level on the contralateral side due to ventrolateral medullary infarction. Material and methodsLaser-evoked potentials Painful stimuli were generated by an infrared thulium laser (wavelength = 2.01 µm, energy 540 mJ for the hand and 600 mJ for the foot; duration 3 ms; diameter 5 mm beam). Perception and pain thresholds were determined by the method of limits using three ascending and descending energy series. LEP after stimulation of two skin Abstract We investigated two patients presenting with the rare finding of almost isolated hemianalgesia with a sensory level on the contralateral side sparing the face. Clinical findings, electrophysiological studies (absent laser-evoked pain-related somatosensory potentials, normal electrically evoked somatosensory potentials, magnetically evoked potentials, and blink reflexes), and magnetic resonance imaging showed the ventrolateral medullar tegmentum containing the spinothalamic tract to be affected by lacunar infarction. The blink reflex R2 component was unimpaired in both patients.

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Section: Discussioncontrasting

confidence: 64%

Abolished laser-evoked potentials and normal blink reflex in midlateral medullary infarction

Hansen

Baumgärtner

Fitzek

et al. 1999

Journal of Neurology

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“…Thus von Monakow [26] described loss of sensation to heat and cold without analgesia, and in the case recorded by Mann [22] and later by Kutner and Kramer [19] sensibility was lost to pain and to heat, whilst that to cold was unaffected (cf. also Wallenberg [41] and Marburg [23]).…”

mentioning

confidence: 99%

Sensory Disturbances From Cerebral Lesions

Head

Holmes

1911

Brain

1,599

606

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“…His splendid review on the topographic diagnosis of pons and oblongata lesions [30] is a testimony to his firm grasp of the medical literature [8].…”

Section: Anatomical and Physiological Studiesmentioning

confidence: 99%

Professor Otto Marburg, universal neurologist and the 'dean of teachers'

Triarhou

2008

Wien Klin Wochenschr

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Über die neueren Fortschritte in der topischen Diagnostik des Pons und der Oblongata

Cited by 49 publications

References 57 publications

Abolished laser-evoked potentials and normal blink reflex in midlateral medullary infarction

Abolished laser-evoked potentials and normal blink reflex in midlateral medullary infarction

Sensory Disturbances From Cerebral Lesions

Professor Otto Marburg, universal neurologist and the 'dean of teachers'

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