表皮样囊肿和蛛网膜囊肿不强化。

The epidermis kind cyst and the arachnoid cyst were not enhanced.

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病灶强化，室管膜不强化。

C. Lesion enhances, ependyma does not.

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结果：儿童颈部淋巴管瘤的典型CT表现：肿瘤边缘光滑，呈密度均匀的囊性包块，增强扫描可见肿瘤囊壁较薄，呈轻度强化，囊内不强化。

Results: Typical CT findings of cl in children included: cystic mass with smooth margins, uniformed density, thin walls, minimal rim enhancement and lack of enhancement in cystic Spaces.

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And there's a difference between reinforced trials and unreinforced trials.

但强化尝试和非强化尝试是不一样的。

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