Clinical Value of Color Doppler Ultrasound in Differential Diagnosis of Gastric Stromal Tumor

doi:10.7517/issn.1674-0475.210104

Abstract

Abstract: The purpose of this study was to investigate the clinical value of color Doppler ultrasound in differential diagnosis of gastric stromal tumor. A total of 88 patients with suspected gastric stromal tumors were selected as the study subjects. The differences of color Doppler ultrasound characteristics between gastric stromal tumors and non gastric stromal tumors were compared. Postoperative pathological diagnosis revealed 63 cases of gastric stromal tumor and 25 cases of non-gastric stromal tumor. The sensitivity, specificity, accuracy, positive predictive value and negative predictive value of color ultrasound in the diagnosis of gastric stromal tumor were 87.30%, 84.00%, 86.36%, 93.22% and 72.41%, respectively. The tumor diameter, resistance index, blood flow enrichment ratio and liquefaction ratio of gastric stromal tumor were significantly higher than those of non-gastric stromal tumor (P<0.05). The tumor diameter and liquefaction ratio of medium-risk and high-risk gastric stromal tumors were significantly higher than those of extremely low and low-risk gastric stromal tumors (P<0.05). Color Doppler ultrasound has certain value in the diagnosis of gastric stromal tumor.

Key words: color Doppler ultrasound, gastric stromal tumor, diagnostic value

TANG Minxuan, DUAN Ruishan, ZHOU Dazhi, HE Liantu, TANG Qing. Clinical Value of Color Doppler Ultrasound in Differential Diagnosis of Gastric Stromal Tumor[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(5): 658-662.

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