Shoko Tsuji

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Spinal cord and subcortical brain stem evoked potentials had an amplitude at least 2 times higher when the cauda equina rather than bilateral peripheral nerves was stimulated. Cauda equina stimulation is indicated when potentials to peripheral nerve stimulation are absent or are too low in amplitude to permit reliable surgical monitoring. The technique is(More)
This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License (www.karger.com/OA-license), applicable to the online version of the article only. Distribution for non-commercial purposes only. Abstract The female genital tract is rarely the initial site of presentation in lymphoma or leukemia.(More)
The effects of stimulus intensity on subcortical and cortical somatosensory evoked potentials (SEPs) to posterior tibial nerve (PTN) stimulation were studied in 16 normal controls. Stimulus intensity was evaluated as a function of sensory threshold (S). Motor threshold (M) varied between 1 S and 2 S. The amplitude of N18 (afferent volley immediately before(More)
Cortical somatosensory evoked potentials to posterior tibial nerve stimulation were obtained in 29 normal controls varying in age and body height. In obtaining these potentials we varied recording derivations and frequency settings. Our recordings demonstrated the following points: N20 (dorsal cord potential) and the early cortical components (P2, N2) were(More)
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