纵膈腔之成熟畸胎瘤大多是良性病变。

Mature teratomas of the mediastinum are benign lesions.

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我们在此提出首例观察到中央钙化的原发性纵膈腔血管外皮细胞瘤。

We present the first case of a mediastinal hemangiopericytoma with central calcification.

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摘要皮下气肿及纵膈腔积气是一个极为罕见，但非常危急的分娩期并发症。

Spontaneous subcutaneous with mediastinal emphysema is a rare but potentially dangerous complication during delivery.

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