Result: There was no significant difference cross - sectional area of the cricoid cartilage of these three groups.

结果: 与对照组比较,实验组兔环状软骨管腔面积较对照组差异无统计学意义.

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The cricoid cartilage may be misjudged as a tumor in the thyroid gland.

结论:环状软骨侧边超声是可以显像的,这可造成甲状腺肿瘤的伪像.

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