Head and Neck Imaging
Comparison of Accuracy and Specificity of Different MR Sequences in the Detection of Pelvic Lymph Nodes of Endometrial Cancer
Author：LIANG Rui-jin, JIANG Gui-hua, ZHANG Yu-zhong,et al.
affiliation：Department of Radiology, Shenzhen Longhua New District People's Hospital of Medical Imaging, Shenzhen 518109, Guangdong Province,China; 2 Department of Radiology, the Second Hospital of Guangdong Province,Guangzhou 510000, Guangdong Province,China
PDFAbstract
Objective To compare the accuracy and specificity of different MR sequences in the detection of pelvic lymph nodes of endometrial cancer. Methods The clinical data of 64 cases of patients with endometrial cancer treated Medical Imaging department, People's Hospital, Longhua District from March 2011 to October 2014 were statistically analyzed. Results The diameter of detected lymph nodes of T1W1, T2W1, DWI were (10.16±2.61) mm, (9.22±3.88) mm, (8.78±4.02) mm, respectively, the warp minimum were 5mm, 4mm, 3mm, the accuracy were 79.56%, 80.68%, 97.73%, the specificity were 91.89%, 94.59%, 90.09%. Follow-up found that among the 64 cases of patients, 24 cases recurred, 6 cases had metastases, 6 cases died, 37.5%, 9.4%, 9.4% of the total, respectively; when b=150×10-3mm2 /s, 800×10-3mm2 /s, ADC values of 1000×10-3mm2 / s, the metastatic lymph nodes were significantly lower than non-metastatic lymph nodes (P<0.05). Conclusion Compared to T1W1, T2W1, DWI has higher accuracy, but has lower specificity in the detection of pelvic lymph nodes of endometrial cancer.
【Keyword】MR Sequences; Endometrial Cancer; Pelvic Lymph Nodes; Accuracy; Specificity
【Chart number】R737.33; R445.2
【Document Identification Number】A
【DOI】10.3969/j.issn.1672-5131.2015.09.030
Chinese journal of CT and MRI
th13Volume， th 9 Issue
2015Year09Month
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