常规超声检查难以定性的盆腔肿块超声造影增强特点

Contrast-Enhanced Ultrasound Features of Complex Pelvic Masses Undetermined by Baseline-ultrasound

【目的】探讨常规超声检查难以定性的盆腔肿块超声造影增强特点。【方法】对常规超声检查难以定性的137例盆腔肿块进行超声造影检查。分析病灶超声造影增强开始时间、增强水平、形态和增强模式的特点。【结果】良恶性病灶超声造影表现各不相同。增强时间早于子宫肌层呈高增强的恶性、良性病灶分别为85.3%(29/34)和13.7%(14/103);增强形态不均匀的恶性、良性病灶分别为97.1%(33/34)和31.0%(32/103);增强模式I型的恶性、良性病灶分别为85.3%(29/34)和9.7%(10/103),上述两组结果比较,差异均有统计学意义(P<0.05)。【结论】复杂的盆腔良恶性肿块造影增强模式具有特征性,可为病变的定性诊断提供有用信息。

【Objective】 To investigate the contrast enhanced ultrasound（CEUS） features of complex pelvic masses undetermined by baseline-ultrasound.【Methods】 CEUS was performed on 137 patients with pelvic masses.The observation items included initial enhancement time,enhancement level and pattern,and the enhancement mode.【Results】 The enhancement pattern was different between the benign and malignant pelvic masses.Hyper-enhancement with earlier initial enhancement in comparison with the myometrium were found in 85.3% of pelvic malignant masses and 13.7% of benign masses.The inhomogeneous enhancement patterns were observed in 97.1% of malignant masses and 31.0% of benign masses.The enhancement mode I： hyper or iso-enhanced in early phase with a quickly wash-out within 40S in late phase,was observed in 85.3% of the malignant and 9.7% of benign masses,respectively.There were statistically significant difference between two groups（P0.05）.【Conclusion】 The enhancement of the pelvic masses is characteristic,which may be helpful for the characterization of the entity.