目的探讨老年人心脏瓣膜钙化的病因。
Objective To discuss the etiology of cardiac valve calcification in elderly.
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.
一旦钙化发生，将会引发其他进程从而导致肾结石的发生。
Once that happens, other processes can take place that results in a kidney stone.
钙化不是BN - 2牛瓣失功的主要原因。
主动脉瓣并非是两个瓣叶的才钙化。
在瓣膜的表面可见密集的白色钙化灶。
The dense white nodules of calcification are present on either valve surface.
值得注意的是中央处两个大的小叶包含了小钙化灶。
Note that the two large lobules in the center contain microcalcifications.
值得注意的是中央处两个大的小叶包含了小钙化灶。
Note that the two large lobules in the center contain microcalcifications.
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