著者
鈴木 重將 内山 剛 明神 寛暢 渡邊 一樹 山本 大介 佐藤 慶史郎 大橋 寿彦
出版者
一般社団法人 日本神経救急学会
雑誌
Journal of Japan Society of Neurological Emergencies & Critical Care (ISSN:24330485)
巻号頁・発行日
vol.30, no.2, pp.62-66, 2018-06-01 (Released:2018-11-15)
参考文献数
8

Clinically mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) is diagnosed using imaging and is characterized by a favorable prognosis, which often improves without treatment. Here, we report three adult patients with MERS who were treated with a different course each; all of them required immunotherapy to some extent. The first case was a 67-year-old male who experienced gastrointestinal symptoms for 3 months prior to hospitalization. The second was a 38-year-old male who experienced a headache and fever, followed by urinary retention. The third was a 36-year-old male who experienced a fever and headache, followed by dysuria, impaired orientation, and upper limb tremor; he was transported to our hospital on the same day. All patients had lesions in the splenium of the corpus callosum. While two patients responded well to steroid pulse therapy, one demonstrated poor response and required immunoadsorption therapy. While some patients with adult-onset MERS require aggressive immunotherapy, this condition covers a broader range of diseases in adults with varying premonitory and clinical symptoms. Although pediatric MERS is often accompanied with a benign condition, this is not always the case for adults. Thus, considering immunotheraphy may be essential.
著者
鈴木 万幾子 内山 剛 高橋 均 伊藤 充子 清水 貴子 小林 寛 大橋 寿彦
出版者
日本神経学会
雑誌
臨床神経学 (ISSN:0009918X)
巻号頁・発行日
vol.49, no.9, pp.586-589, 2009 (Released:2009-11-13)
参考文献数
7
被引用文献数
3 1

症例は57歳男性.全般性痙攣で発症し,左前頭葉に病変をみとめ,脳生検では反応性astrocyteの増生と血管周囲性のT細胞優位のリンパ球浸潤がめだった.病変は自然消退し,18カ月後に左小脳脚の病変を再発したが,ふたたび自然消退した.初発から2年後に脳梁に再発し,当初は多発性硬化症をうたがったが,ぶどう膜炎を合併,ステロイド抵抗性であり,再生検でびまん性大細胞型B細胞性リンパ腫と診断した.自然軽快する症候性病変をくりかえした中枢神経系悪性リンパ腫の1例について,2回の脳生検病理と臨床経過を報告した.

1 0 0 0 脊髄梗塞

著者
佐藤 慶史郎 内山 剛
出版者
三輪書店
雑誌
脊椎脊髄ジャーナル (ISSN:09144412)
巻号頁・発行日
vol.29, no.2, pp.103-106, 2016-02-25

はじめに 脊髄梗塞は,脊髄を支配する血管の血流障害により引き起こされる急性脊髄障害,脊髄実質の壊死である.急性脊髄障害の5〜8%,全脳卒中の1〜2%とまれな疾患である12).広い年齢層にみられるが,平均年齢は50〜60代とする報告が多い3,6,8〜11). 日常診療において出会う機会は多くはないが,その診断,治療には難渋することがあり,重篤な後遺症を残す場合もあるため,その病態,診断,治療に関して述べる.
著者
内山 剛 山口 明啓 内海 裕一
出版者
公益社団法人 日本磁気学会
雑誌
Journal of the Magnetics Society of Japan (ISSN:18822924)
巻号頁・発行日
vol.34, no.4, pp.533-536, 2010-07-01 (Released:2010-07-13)
参考文献数
7

In this experiment, we investigated noise characteristics of a pulse magneto-impedance sensor which is based on an amorphous magnetic wire with a pickup coil. For a helical static magnetization, the ac current i passing the wire induces a coil voltage Vc in the coil around the wire. The pulsed excitation, combining both high and low frequency harmonic, produces the voltage Vc with dc current biasing. We describe improvements of pulse excitation conditions for an amorphous magnetic wire to reduce magnetic noises. The relation between the time interval of a current pulse train T and magnetic noises was investigated. The magnetic noise is suppressed clearly when T is smaller than 1.5 μs for pulse width 10 ns. Under the optimal conditions, the rms noise of 1-cm-long an amorphous wire magneto-impedance sensor with 600 turns of the pickup was estimated as 1pT/Hz1/2M at 20 Hz∼500 Hz.
著者
内山 剛 牧野 正義 毛利 佳年雄
出版者
公益社団法人 日本磁気学会
雑誌
日本応用磁気学会誌 (ISSN:02850192)
巻号頁・発行日
vol.16, no.3, pp.556-559, 1992-06-01 (Released:2013-01-11)
参考文献数
3
被引用文献数
2 2

A transistor logic memory module based on the Royer oscillator type magnetic multivibrator is presented, in which a HTcSC thin disk core having six coils tightly set around it is connected with two switching transistors. The oscillation of this module is initiated by applying a pulse current to a coil and the phase of oscillation is controlled by the sign of the trigger pulse. That is, this module is a phase memory type logic device such as Parametron. Moreover, oscillation is terminated by applying a pulse current to a small transistor which shorts another coil of the HTcSC. We can assign two oscillating states with different phases to the numerical values ±1 and the non-oscillating state to 0. This logic is decided by a majority of multi-input, so that this module has applications in the field of neural network system.
著者
横川 一郎 毛利 佳年雄 内山 剛 杉谷 伸芳
出版者
公益社団法人日本磁気学会
雑誌
日本応用磁気学会誌 (ISSN:18804004)
巻号頁・発行日
vol.22, no.4, pp.693-695, 1998-04-15
被引用文献数
7 3

Torque was detected in a steel shaft with a ring-sharped surface by using a magneto-impedance effect sensors whose heads were placed on the two edges of a gutter in the ring-shaped surface. The hysteresis removal was done utilizing two different shapes of the hysteresis of torque detection at the two egges. A large pulse current was a priori applied through the shaft to induce circumferential magnetic anisotropy in order to remove the magnetic poles at the gutter edge for zero torque.