AI Article Synopsis
- The study aimed to assess the effectiveness of real-time harmonic contrast-enhanced ultrasound (CEUS) for diagnosing atypical liver abscesses in patients with suspected liver masses.
- A total of 36 lesions were examined in 32 patients, with the contrast agent SonoVue revealing distinct enhancement patterns identifiable in different phases of the imaging.
- The findings suggest that CEUS is beneficial for diagnosing atypical liver abscesses, as it was able to clearly display characteristic patterns in the majority of cases.
Article Abstract
Objective: To investigate the value of real-time harmonic contrast-enhanced ultrasound (CEUS) in the diagnosis of atypical liver abscesses.
Methods: We used Technos DU8 system with CEUS technique to examine 32 patients with suspected liver masses. Mechanical index was set at 0.08- 0.11. The contrast agent SonoVue was injected as a bolus (2.4 ml, < 5s) in the antecubital vein.
Results: A total of 36 lesions were studied in 32 patients, including 30 patients with single nodule and 2 patients with multiple nodules. All lesions with liver abscess were confirmed by biopsy. The whole-enhanced pattern in all lesions was clearly displayed in the arterial phase after the administration of SonoVue. The mean time of the beginning enhancement was (14.48 +/- 3.62) s, the mean peak enhancement time was (22.92 +/- 4.35) s, and the mean time of hypoechoic appearance of lesion was (80.30 +/- 35.30) s. The lesions with hypoechoic pattern (37.5%, 12/32) and isoechoic pattern (62.5%, 20/32) in the portal phase were detected by CEUS. The characteristic sign with honeycomb pattern on CEUS was shown in 30 (93.8%) liver abscess lesions.
Conclusion: CEUS is valuable in the diagnosis of atypical liver abscesses.
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