Objective To explore MRI features of spinal arachnoid cysts.
目的探讨视网膜囊肿的声像图特点及临床意义。
Objective To explore the diagnosis and treatment of sacral arachnoid cysts.
目的探讨骶管内蛛网膜囊肿的诊断和治疗。
Objective To explore the clinical characteristics and the treatment of arachnoid cysts in sacral canal.
目的探讨骶管蛛网膜囊肿的临床特点及治疗方法。
Most arachnoid cysts are asymptomatic; however, they can become symptomatic due to cyst enlargement or hemorrhage within the cyst.
大多数蛛网膜囊肿是无症状的，但是但囊肿扩大或囊内出血是可以出现症状。
Long T1 and T2 are due to keratin in solid crystalline state. Epidermoids have restricted ADC and complex FLAIR signal, unlike arachnoid cysts.
由于固态的角蛋白表现为长t 1长t 2,ADC上是弥散受限的，Flair序列上呈混杂信号，这与蛛网膜囊肿是不同的。
Objective To investigate the clinical features, the surgical indications and the operative methods and skills for intracranial arachnoid cysts in children.
目的探讨儿童颅内蛛网膜囊肿的临床特点、手术适应证、手术方法及手术中应注意的问题。
Methods The clinical data from 30 child cases of intracranial arachnoid cysts were studied retrospectively in our hospital, and were analyzed comparatively.
方法回顾我院30例儿童颅内蛛网膜囊肿的临床资料，对其进行总结。
Simple cysts may be indistinguishable from arachnoid cysts or epidermoids. More complex cysts may be indistinguishable from a craniopharyngioma or pituitary adenoma.
单纯的囊肿可能难以与蛛网膜囊肿或表皮样囊肿相鉴别，更复杂的囊肿可能会与颅咽管瘤或垂体腺瘤难以鉴别。
In 1210 cases a causal factor was revealed including blood vessel compression, tumor compression, compression of arachnoid cysts and adherence, only 10 cases remained unclear etiology.
均找到了病因，包括1210例血管压迫，肿瘤压迫或蛛网膜囊肿和粘连所致，仅有10例未发现病因。
Simple cysts are difficult to distinguish from arachnoid cyst or epidermoid.
单纯的囊肿较难与蛛网膜囊肿和表皮样囊肿相鉴别。
Results: Epidermoid cysts presented as hyperintense signal and the arachnoid cyst as hypointense signal in diffusion-weighting imaging.
结果：表皮样囊肿在弥散加权为高信号，蛛网膜囊肿为低信号。
Results: All epidermoid cysts presented hyperintense signal. and the arachnoid cyst presented signal like CSF on diffusion-weighted imaging.
结果：所有表皮样囊肿在弥散加权成像上均表现为高信号，蛛网膜囊肿在弥散加权成像上成低信号。
Results: All epidermoid cysts presented hyperintense signal. and the arachnoid cyst presented signal like CSF on diffusion-weighted imaging.
结果：所有表皮样囊肿在弥散加权成像上均表现为高信号，蛛网膜囊肿在弥散加权成像上成低信号。
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