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Characterization of cervical lymph nodes using DCE-MRI: Differentiation between metastases from SCC of head and neck
Shuo Yan1,2, Zhiye Wang3, Li Li4
1Department of Radiology, Beijing Ditan Hospital, Capital Medical University, China.
Purposes:
To compare the characteristics of DCE-MRI between metastatic and benign lymph nodes (LNs). To explore the effect of sizes of LNs on the value of Ktrans, Ve and iAUC.
Materials And Methods:
Metastatic and benign LNs were retrospectively analyzed. Chi-square test and two sample t-test were applied to TICs and parameters. One factor covariance analysis was used to explore the effect of diameters on the value of Ktrans, Ve and iAUC.
Results:
The value of Ktrans, Ve and iAUC of metastatic LNs were statistically higher (all p < 0.001) than those of benign LNs. The short-axis diameters had no influence on parameters.
Conclusions:
DCE-MRI is useful to differentiate the metastatic LNs from benign LNs. Sizes of LNs has no effect on parameters.
