Shanghai kou qiang yi xue = Shanghai journal of stomatology · 2022
[Analysis of multimodal ultrasound in differential diagnosis of salivary gland tumors].
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Lyu Huan, Xiong Ping, Zhang Wei-Qian, Gong Xia, Li Jia, Ding Ang-Ang
Аннотация
PURPOSE: To explore the differential diagnosis of salivary gland tumors by multimodal ultrasound and to establish a preliminary scoring system by assigning meaningful parameters.
METHODS: Seventy-seven tumors from 69 patients with salivary gland tumors were examined by two-dimensional gray-scale ultrasound, color Doppler flow imaging (CDFI), superb microvascular imaging(SMI), real time tissue elastography(RTE) and acoustic radiation force impulse (ARFI). Different scoring schemes were obtained for the assignment and combination of meaningful parameters. The ROC curve of each scheme was drawn, and the one with the largest area under the curve was taken as the best scoring scheme. SPSS 25.0 software package was used for statistical analysis of the data.
RESULTS: There were significant differences in tumor shape, boundary, posterior echo, blood flow resistance index, RTE grade and ARFI average value between benign and malignant salivary gland tumors(P<0.05). The scoring scheme 7, which was composed of the above 6 parameters, was the best scoring scheme. When each parameter was assigned a score of 1, the total score was 6, and the area under the curve was 0.944. The sensitivity, specificity and accuracy of distinguishing benign and malignant salivary gland tumors with ≥4 points were 80.0%, 98.4% and 94.8%, respectively.
CONCLUSIONS: Application of multimodal ultrasound and establishment of a scoring system can effectively improve the ability of ultrasound in the differential diagnosis of benign and malignant salivary gland tumors.
METHODS: Seventy-seven tumors from 69 patients with salivary gland tumors were examined by two-dimensional gray-scale ultrasound, color Doppler flow imaging (CDFI), superb microvascular imaging(SMI), real time tissue elastography(RTE) and acoustic radiation force impulse (ARFI). Different scoring schemes were obtained for the assignment and combination of meaningful parameters. The ROC curve of each scheme was drawn, and the one with the largest area under the curve was taken as the best scoring scheme. SPSS 25.0 software package was used for statistical analysis of the data.
RESULTS: There were significant differences in tumor shape, boundary, posterior echo, blood flow resistance index, RTE grade and ARFI average value between benign and malignant salivary gland tumors(P<0.05). The scoring scheme 7, which was composed of the above 6 parameters, was the best scoring scheme. When each parameter was assigned a score of 1, the total score was 6, and the area under the curve was 0.944. The sensitivity, specificity and accuracy of distinguishing benign and malignant salivary gland tumors with ≥4 points were 80.0%, 98.4% and 94.8%, respectively.
CONCLUSIONS: Application of multimodal ultrasound and establishment of a scoring system can effectively improve the ability of ultrasound in the differential diagnosis of benign and malignant salivary gland tumors.