Vascularity of Intra-testicular Lesions: Inter-observer Variation in the Assessment of Non-neoplastic Versus Neoplastic Abnormalities After Vascular Enhancement With Contrast-Enhanced Ultrasound

血管性 医学 超声波 超声造影 超声科 放射科 诊断准确性 彩色多普勒 病变 病理
作者
Phillip Lung,Cheng Fang,Ounali Jaffer,Annamaria Deganello,Aarti V. Shah,Venus Hedayati,Anu Obaro,Gibran T. Yusuf,Dean Y. Huang,Maria E. Sellars,Daniel J. Quinlan,Paul S. Sidhu
出处
期刊:Ultrasound in Medicine and Biology [Elsevier BV]
卷期号:46 (11): 2956-2964 被引量:12
标识
DOI:10.1016/j.ultrasmedbio.2020.07.028
摘要

The aim of this study is to assess the additional benefit of contrast-enhanced ultrasound (CEUS) over conventional ultrasonography (US) in identifying intra-testicular abnormalities among observers of different experiences. In this study, 91 focal testicular lesions (46 neoplastic, 45 non-neoplastic) imaged with gray-scale US/Doppler US and CEUS were classified using a 5-point scale. Three experienced and four inexperienced observers rated each lesion using gray-scale/color Doppler US alone and then with the addition of CEUS. Improved diagnostic specificity and accuracy with the addition of CEUS was observed for both experienced (specificity: 71.1% vs. 59.3%, p = 0.005; accuracy: 83.5% vs. 76.9%, p = 0.003) and inexperienced observers (specificity: 75.6% vs. 51.7%, p = 0.005; accuracy: 80.2% vs. 72.0%, p < 0.001). Significant inter-observer variability between the experienced and inexperienced observers when assessing conventional US alone was eliminated with the addition of CEUS. CEUS improves diagnostic accuracy of focal intra-testicular lesions for both experienced and inexperienced observers and reduces inter-observer variability in inexperienced operators.
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