Cerebral ischemia due to compression of the brain by ossified and hypertrophied muscle used for encephalomyosynangiosis in childhood moyamoya disease

Hajime Touho MD
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引用次数: 11

Abstract

Background

Encephalomyosynangiosis is one of the indirect method in which ischemic brain surface is covered by temporal muscle for the treatment of moyamoya disease.

Case Descriptions

A 14-year-old girl who had been treated with bilateral STA-MCA anastomosis and EMS in 1999 was admitted on January 5, 2005. She showed transient incomplete palsy on the left side of the face and the ipsilateral upper extremity. On the day of admission, MRIs/MRA and 3-dimensional regional CBF measurement using stable xenon and CT scanning were conducted after performance of plain CT scanning. The MRI and CT studies showed that ossified and hypertrophied temporal muscle used for EMS to the right MCA territory compressed the brain just under the muscle. MRA demonstrated well-developed collaterals to the territories of the bilateral MCAs via the previously performed anastomosis. The CBF studies disclosed a low CBF value just under ossified and hypertrophied muscle used for EMS on the right side. She showed same transient ischemic attacks repetitively after January 5, 2005.

Conclusions

The repetitive attacks with the transient motor palsy on her left side was thought to be caused by direct compression of the brain by the ossified and hypertrophied muscle used for EMS and decrease in CBF just under it, and its removal was thought to be the treatment of choices. However, the patient and her parents refused the surgical procedure, and she is treated conservatively at present.

儿童烟雾病的脑肌瘤合并症中,骨化和肥大的肌肉压迫大脑导致脑缺血
背景脑肌纤维病是颞肌覆盖缺血脑表面治疗烟雾病的一种间接方法。病例描述:一名14岁女孩于1999年接受双侧STA-MCA吻合及EMS治疗,于2005年1月5日入院。她表现为左侧面部和同侧上肢短暂性不完全性麻痹。入院当天,在CT平扫后进行mri /MRA、稳定氙气及CT三维区域脑血流测量。MRI和CT研究表明,骨化和肥厚的颞肌用于EMS到右MCA区域,挤压了肌肉下方的大脑。MRA显示通过先前进行的吻合,双侧mca区域的侧支发育良好。脑血流研究显示,在右侧用于EMS的骨化和肥厚肌肉下,脑血流值较低。她在2005年1月5日之后反复出现同样的短暂性脑缺血发作。结论反复发作的左侧一过性运动麻痹可能是由于EMS所用的骨化肥厚肌肉直接压迫大脑,导致其下方脑血流减少所致,切除该肌肉是治疗的选择。然而,患者及其父母拒绝手术,目前对其进行保守治疗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Surgical Neurology
Surgical Neurology 医学-临床神经学
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