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。
Conclusions Glomus jugulare tumor is a rare neoplasm arising from the paraganglion and it purses an aggressive ability and lower grade biological behavior.
目的探讨HRCT和MRI在颈静脉鼓室球瘤诊断中的价值。
Objective To assess the diagnostic value of HRCT and MRI in jugulotympanic glomus tumors.
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。
Enlarged veins of 2 glomus jugulare tumors drainaged into the internal carotid vein.
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