Case report: Real-time contrast-enhanced ultrasonography for the diagnosis of typical ̔bull's eye̓ sign of hepatic abscess caused by Acinetobacter baumannii in a tumor patient
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- Published online on: January 11, 2016 https://doi.org/10.3892/etm.2016.2976
- Pages: 929-932
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Abstract
The present case report details a unique case of a 51-year-old male patient who underwent a radical operation for carcinoma of the stomach and pancreaticoduodenectomy. Conventional ultrasonography examination exhibited a characteristic ̔bull's eye̓ sign in the liver; whereas real‑time contrast‑enhanced ultrasonography (CEUS) demonstrated the patient was suffering from a hepatic abscess, corroborated by cytologic examination, which confirmed the presence of Acinetobacter baumannii. The hepatic localization of A. baumannii is rare in tumor patients presenting with a typical ̔bull's eye̓ sign; and such a case could easily be misdiagnosed as hepatic metastasis. The findings presented in this case report demonstrate that real‑time CEUS may offer important diagnostic elements, albeit not specific, which should, together with a positive cytologic test, confirm the diagnosis of a hepatic abscess.
