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.
结果：CT能显示咽旁间隙肿瘤的大小、形态、位置及与周围结构的关系，并可见颈静脉球瘤的CT特征性表现是颈静脉孔的扩大及骨质吸收破坏。
Results: CT provided clinically useful information such as the size, shape and position of PPS neoplasms and the relationship between PPS neoplasms and adjacent structures.
结果6例巨大型颈静脉球瘤MRI出现特异型表现，即典型的“盐和胡椒”征；DSA检查不仅能够术前明确肿瘤供血血管，而且同时进行栓塞治疗可减少随后术中出血。
Results The specific manifestation of giant glomus tumor was observed in MRI in 6 cases, which showed a typical "salt and pepper" sign;
结果6例巨大型颈静脉球瘤MRI出现特异型表现，即典型的“盐和胡椒”征；DSA检查不仅能够术前明确肿瘤供血血管，而且同时进行栓塞治疗可减少随后术中出血。
Results The specific manifestation of giant glomus tumor was observed in MRI in 6 cases, which showed a typical "salt and pepper" sign;
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