Head and Neck Imaging
MRI Multiple Sequence Scan of Single Brain Metastases
Author：TANG An
affiliation：Department of Medical Imaging, the First Affiliated Hospital of Tianjin Medical University, Tianjin 300193, China
PDFAbstract
Objective To analyze the value of MRI multiple sequence scan of single brain metastases. Methods The clinical data of 48 patients with single brain metastases confirmed by pathology in our hospital were retrospectively analyzed. All patients were canned with MRI multiple sequences, and the imaging data were complete. The sites, size, quantity, shape, edema, tissue involvement and enhancement of brain metastases were recorded. Findings of MRI sequences and their diagnostic value of brain metastases were compared. Results The detection rate of T2-FLAIR in MRI plain scan for brain metastases was the highest (45.83%), and the detection rate of MRI enhanced T1WI sequence for brain metastases (79.17%) was significantly higher than the detection rates of T2-FLAIR sequence in plain scan and other MRI sequences (P<0.05). Conclusion T2- FLAIR sequence can well show edema around the tumors and can be used as the routine sequence for plain scan of brain metastases. Under the condition of b=0, the consistency of DWI with T2WI is good but the time for scanning is short. Therefore, it can replace T2WI sequence in plain scan. The detection rate of enhanced scan for solitary brain metastases is the highest.
【Keyword】Brain Metastases; MRI; Enhanced Scan; Sequence; Characteristics
【Chart number】R445.2；R739.41
【Document Identification Number】A
【DOI】10.3969/j.issn.1672- 5131.2017.09.004
Chinese journal of CT and MRI
th15Volume， th 9 Issue
2017Year09Month
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