Head and Neck Imaging
Imaging Features of MRI Plain and Enhanced Scan in the Diagnosis of Olfactory Nerve Tumors*
Author:ZHANG Kai-ming, DU Xi-jian, YU Kai-hu, et al.
affiliation:Medical Examination Center, the First Affiliated Hospital of Hubei Institude of Science and Technology, Xianning 437000, Hunan Province, China
PDFAbstract
Objective To investigate the MRI imaging features and clinical features of olfactory nerve tumors in order to guide the clinical diagnosis. Methods The clinical and imaging findings of 10 patients with olfactory nerve tumors confirmed by surgery and pathology from September 2009 to 2011 were analyzed retrospectively. All patients underwent MRI plain scan and enhanced scan. Results The results of MRI plain scan showed low signal in T1WI and high signal in T2WI of the lesions in these patients, and the final diagnosis rate was 90%. MRI enhanced scanning results showed that the mass obviously uneven enhancement in the lesions of all patients, some of the nasal sinus mucosa was enhanced, the diagnosis rate was as high as 100%. The difference was not statistically significant compared with the results of clinical pathology(P>0.05). The diagnostic rate of MRI enhanced scan was higher than that of MRI plain scan. Conclusion MRI can clearly show the location and extent of tumor invasion, which has high application value in the diagnosis of olfactory nerve tumors.
【Keyword】Nasal Cavity; Olfactory Nerve; Magnetic Resonance Imaging
【Chart number】R445.2;R739.43
【Document Identification Number】A
【DOI】 10.3969/j.issn.1672- 5131.2016.11.003
Chinese journal of CT and MRI
th14Volume, th 11 Issue
2016Year11Month
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