Enlarged veins of 2 glomus jugulare tumors drainaged into the internal carotid vein.

静脉期，2例颈静脉球瘤可见增粗之引流静脉向颈内静脉引流。

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Conclusions Glomus jugulare tumor is a rare neoplasm arising from the paraganglion and it purses an aggressive ability and lower grade biological behavior.

结论颈静脉球瘤是一种起源于副神经节的少见肿瘤，呈侵袭性生长，有低度恶性的生物学行为。

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