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. 2009 Jun;12(2):49-52.
doi: 10.1016/j.jus.2009.02.003. Epub 2009 Apr 28.

Pseudoaneurysm of the hepatic artery, a rare complication of an amebic liver abscess

D Tacconi  1 , L Lapini, P Giorni, S Corradini, M Caremani
Affiliations

Pseudoaneurysm of the hepatic artery, a rare complication of an amebic liver abscess

D Tacconi et al. J Ultrasound. 2009 Jun.

Abstract
in English, Italian

Hepatic artery pseudoaneurysm is a rare complication of amebic or pyogenic liver abscesses, and it is generally diagnosed because of hemobilia due to rupture of the aneurysm into the biliary tract. The authors describe a case of vascular complication in a patient affected by amebic liver abscess. Pseudoaneurysm was diagnosed and resolved without hemobilia.

SommarioGli pseudoaneurismi dell'arteria epatica sono una complicanza molto rara degli ascessi epatici amebici e da piogeni e la maggior parte vengono diagnosticati perché si complicano con emobilia.Gli autori descrivono un caso di complicanza vascolare in un paziente affetto da ascesso amebico del fegato diagnosticato e risolto senza la rottura nelle vie biliari.

Keywords: Abscess; Amebiasis; Pseudoaneurysm.

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Figures

Fig. 1
Fig. 1
a. Right subcostal oblique scan: in the 8th segment a liver lesion is visible. It is characterized by a hypoechoic aspect with irregular, blurred outlines and alteration of the hepatic artery which appears dilated with echoic contours. b, c. Color Doppler of the hepatic artery shows a Korean flag-shaped lesion with chaotic arterial flow at spectral analysis.
Fig. 2
Fig. 2
Enhanced CT shows an aneurysm of the hepatic artery.
Fig. 3
Fig. 3
Right subcostal oblique scan: echo-guided aspiration of the liver abscess; the needle has been introduced into the abscessual lesion.
Fig. 4
Fig. 4
a. Right subcostal oblique scan 30 s after infusion of 2.4 ml Sonovue. The hepatic artery is intensely enhanced, surrounded by an avascular area due to a perivascular necrotic lesion. b. The anechoic lesion is evident, caused by an avascular liver abscess located in the 8th segment.
Fig. 5
Fig. 5
Color Doppler, right subcostal oblique scan: After 15 days' therapy the hepatic artery appears with normal flow and the diameter of the liver abscess is reduced (arrows).
See this image and copyright information in PMC

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