Sonography, CT, CT sialography, MRI and MRI sialography in investigation of the facial nerve and the differentiation between deep and superficial parotid lesions
Sonography, CT, CT sialography, MRI and MRI sialography in investigation of the facial nerve and the differentiation between deep and superficial parotid lesions
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DOI：
10.1007/s002340050455
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发表时间：
1997-07-01
期刊：
影响因子：
2.8
通讯作者：
Gourtsoyiannis, N
中科院分区：
文献类型：
--
作者：
Eracleous, E;Kallis, S;Gourtsoyiannis, N
我们的目的是探讨面神经在腮腺内划定的可能性，并区分腮腺浅，深病变的关系，使用超声，CT，MRI，MRI涎腺造影（MRIS）和CT涎腺造影（CTS）。我们对47例临床怀疑腮腺肿瘤的患者进行了超声检查，其中31例同时进行了CT、MRI和CTS检查，13例同时进行了MRIS检查。在T1加权MRI上看到的低强度曲线结构在导管内注射钆后被更好地描绘，并被证明代表CTS上的腮腺导管。以腮腺主导管为标志，我们在69%的病例中通过T1加权MRI图像和所有病例中通过MRIS区分腮腺病变为面神经深或浅。在我们所有的成像方法中，面神经本身与腮腺无法区分。
Our aim was to explore the possibility of delineation of the facial nerve within the parotid gland and to differentiate between superficial and deep parotid lesions in relationship to it, using ultrasound, CT, MRI, MRI sialography (MRIS) and CT sialography (CTS). We examined 47 patients with clinically suspected parotid tumours by US, 31 of them also by CT, MRI and CTS, and 13 by MRIS as well. Low-intensity curvilinear structures seen on T1-weighted MRI were delineated better after intraductal gadolinium injection and proved to represent parotid ducts on CTS. Using the main parotid duct as a landmark, we distinguished parotid lesions as deep or superficial to the facial nerve by T1-weighted MRI images in 69 % and by MRIS in all cases. The facial nerve itself was indistinguishable from the parotid gland in all our imaging methods.