High-intensity facial nerve lesions on T2-weighted images in chronic persistent facial nerve palsy

被引：0
|
作者：
T. Kinoshita
K. Ishii
T. Okitsu
T. Ogawa
T. Okudera
机构：
[1] Department of Radiology,
[2] Sendai City Hospital,undefined
[3] 3–1 Shimizukouji,undefined
[4] Wakabayashi-ku,undefined
[5] Sendai 984–0075,undefined
[6] Japan,undefined
[7] Department of Otolaryngology,undefined
[8] Sendai City Hospital,undefined
[9] 3–1 Shimizukouji,undefined
[10] Wakabayashi-ku,undefined
[11] Sendai 984–0075,undefined
[12] Japan,undefined
[13] Department of Radiology,undefined
[14] Tottori University,undefined
[15] Faculty of Medicine,undefined
[16] 36–1 Nishi-cho,undefined
[17] Yonago,undefined
[18] Tottori,undefined
[19] 683–8504,undefined
[20] Japan e-mail: kino@grape.med.tottori-u.ac.jp Tel.: + 81-8 59-34 81 25 Fax: + 81-8 59-34 81 88,undefined
[21] Department of Radiology,undefined
[22] Research Institute of Brain and Blood Vessels–Akita,undefined
[23] 6–10 Senshu-Kubota Machi,undefined
[24] Akita 010–0874,undefined
[25] Japan,undefined
来源：
Neuroradiology | 2001年 / 43卷
关键词：
Key words Nerve; facial; palsy; Magnetic resonance imaging;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Our aim was to estimate the value of MRI in detecting irreversibly paralysed facial nerves. We examined 95 consecutive patients with a facial nerve palsy (14 with a persistent palsy, and 81 with good recovery), using a 1.0 T unit, with T2-weighted and contrast-enhanced T1-weighted images. The geniculate ganglion and tympanic segment had gave high signal on T2-weighted images in the chronic stage of persistent palsy, but not in acute palsy. The enhancement pattern of the facial nerve in the chronic persistent facial nerve palsy is similar to that in the acute palsy with good recovery. These findings suggest that T2-weighted MRI can be used to show severely damaged facial nerves.
引用
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页码：388 / 392
页数：4
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