是什么决定了慢性硬膜下血肿的部位偏向性？
What determines the laterality of the chronic subdural hematoma?
作者信息
Kim Byoung-Gu, Lee Kyeong-Seok, Shim Jae-Jun, Yoon Seok-Mann, Doh Jae-Won, Bae Hack-Gun
机构信息
Department of Neurosurgery, Soonchunhyang University Cheonan Hospital, Cheonan, Korea.
出版信息
J Korean Neurosurg Soc. 2010 Jun;47(6):424-7. doi: 10.3340/jkns.2010.47.6.424. Epub 2010 Jun 30.
OBJECTIVE
Chronic subdural hematomas (CSDH) are more common on the left hemisphere than on the right. We verified this left predilection of CSDH and tried to explain the reason for this discrepancy.
METHODS
We investigated the laterality of CSDH in 182 patients who were treated from January 2005 to December 2009. We examined the symmetry of the cranium and the location of the lesion.
RESULTS
CSDH was more common on the left-side. The cranium was symmetric in 63 patients, asymmetric in 119 patients. The asymmetric crania were flat on the right-side in 77 patients, on the left-side in 42 patients. The density of the CSDHs was hypodense in 29 patients, isodense 132 patients, and the others in 21 patients. Bilateral hematomas were more common in the hypodense group. In the right flat crania, the hematoma was more commonly located on the opposite side of the flat side. While in the left flat crania, the hematoma was more common on the same side.
CONCLUSION
CSDHs occurred more frequently on the left side. The anatomical asymmetry of the cranium influences the left predilection of CSDH.
目的
慢性硬膜下血肿（CSDH）在左半球比右半球更常见。我们验证了CSDH的这种左侧偏好，并试图解释这种差异的原因。
方法
我们调查了2005年1月至2009年12月期间接受治疗的182例患者CSDH的侧别。我们检查了颅骨的对称性和病变的位置。
结果
CSDH在左侧更常见。63例患者颅骨对称，119例患者颅骨不对称。119例不对称颅骨中，右侧扁平的有77例，左侧扁平的有42例。29例患者的CSDH密度为低密度，132例为等密度，21例为其他密度。双侧血肿在低密度组中更常见。在右侧扁平颅骨中，血肿更常见于扁平侧的对侧。而在左侧扁平颅骨中，血肿更常见于同侧。
结论
CSDH在左侧更频繁发生。颅骨的解剖学不对称影响CSDH的左侧偏好。
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