Zusammenfassung
BACKGROUND: Contrast-enhanced ultrasound (CEUS) has been used as an additional imaging technique in order to clarify testicular findings. CEUS is easy and fast to perform, overcomes the limitations of B-mode US. OBJECTIVE: To evaluate the diagnostic performance of contrast-enhanced ultrasound (CEUS) in the assessment of unclear testicular pathologies. METHODS: CEUS examinations of 45 patients ...
Zusammenfassung
BACKGROUND: Contrast-enhanced ultrasound (CEUS) has been used as an additional imaging technique in order to clarify testicular findings. CEUS is easy and fast to perform, overcomes the limitations of B-mode US. OBJECTIVE: To evaluate the diagnostic performance of contrast-enhanced ultrasound (CEUS) in the assessment of unclear testicular pathologies. METHODS: CEUS examinations of 45 patients with unclear testicular pathologies between 2012 and 2018 were analyzed retrospectively. Examinations were performed using B-mode, colour Doppler (CCDS) and CEUS after injection of contrast agent (SonoVue (R), Bracco) and interpreted by an experienced radiologist (EFSUMB level 3). Reference standard was defined as histopathological report and clinical course. RESULTS: Overall 19 patients presented with a neoplastic lesion, whereas 14 were malignant. Matched to the histopathological report and clinical follow up, CEUS represented a sensitivity of 93% (95%-CI, 69-99), a specificity of 94% (95%-CI, 80-98), a positive predictive value (PPV) of 87% (95%-CI, 62-96) and a negative predictive value (NPV) of 97% (95%-CI, 83-99). CONCLUSION: CEUS is an accurate additional tool to differentiate between testicular alterations when B-mode US and CCDS are uncertain. CEUS may provide additional information and detect early enhancement in small tumor lesions when CCDS comes to its limit.
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