Application value of shear wave elastography in salivary gland tumors

Abstract

Objective

The aims of this study were to retrospectively analyse the values of shear wave elastography (SWE) in differential diagnosis of salivary gland tumors (SGT).

Methods

A total of 56 patients with salivary gland lump(s) were examined by SWE for measuring and comparing the differences in various Young’s modules (malignant tumor (MT) and benign tumor (BT), parotid tumor (PA) and adenolymphomas (AL), etc.). All the cases were confirmed by surgery or fine needle aspiration pathology.

Results

The 56 SGT cases included 10 cases MT, 27 cases of PA, 11 cases of AL, and 8 cases of other BT. There was no statistical significance in Young’s modules between group BT and group MT (both P > 0.05); the differences between group PA and group AL were statistically significant (P < 0.05), and the corresponding ROC curve analysis found that the diagnostic value of the maximum Young’s modulus was the highest with the best cut-off values and AUC as 32.4 KPa and 0.805. The sensitivity, specificity, and Yoden index of the diagnosis of PA and AL were 70.4%, 81.8%, and 0.522, respectively.

Conclusions

SWE can differentially diagnose PA and AL while not MT and BT in SGT.

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Correspondence to Liping Jiang.

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Wang, J., Jiang, L. Application value of shear wave elastography in salivary gland tumors. Oral Radiol (2021). https://doi.org/10.1007/s11282-020-00507-1

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Keywords

  • Shear wave elastography
  • Salivary gland tumors