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目的总结CT平扫在小儿结节性硬化症中的影像表现和临床诊断价值。方法回顾性分析我院41例结节性硬化症患儿的颅脑CT表现,并经临床共同确诊。结果 41例小儿结节性硬化症CT平扫表现为颅内钙化和/(或)非钙化结节。结节发生于室管膜下40例(97.5%),在首次扫描或复诊扫描中,结节钙化发现率100%;结节发生于皮质或皮质下11例(26.8%);脑实质内可见孤立的斑片状钙化10例(24.3%);双侧侧脑室扩大20例(48.8%)。结论小儿结节性硬化症的颅内结节多为室管膜下钙化或高密度结节。CT平扫对颅内高密度或钙化结节具有高度特异性,是诊断小儿结节性硬化症的首选方法。
Objective To summarize the imaging findings and clinical diagnostic value of CT scan in children with tuberous sclerosis. Methods A retrospective analysis of 41 cases of tuberous sclerosis in our hospital brain CT findings, and clinically confirmed. Results 41 cases of pediatric sclerosis sclerosis CT manifestations of intracranial calcification and / or non-calcified nodules. The nodules occurred in 40 cases (97.5%) under ependymal membrane. The nodule calcification was found in 100% in the first scan or in the follow-up scan. The nodules occurred in 11 cases (26.8%) of the cortex or subcortex. The nodules were visible in the parenchyma Isolated patchy calcification 10 cases (24.3%); bilateral lateral ventricle enlargement in 20 cases (48.8%). Conclusion Most of intracranial nodules in children with tuberous sclerosis are subependymal calcifications or high-density nodules. CT scan of intracranial high density or calcified nodules with high specificity, is the preferred method of diagnosis of children with tuberous sclerosis.