Arteriovenous malformation of the gallbladder: CT and angiographic findings

We encountered a case of arteriovenous malformation (AVM) of the gallbladder in a patient with hepatocellular carcinoma (HCC). Contrast-enhanced computed tomography (CT) showed serpentine vessels around and within the gallbladder wall. Angiography showed dilated and tortuous cystic arteries, a racem...

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Veröffentlicht in:Japanese journal of radiology 2007-02, Vol.25 (2), p.73-75
Hauptverfasser: Osada, Hisato, Honda, Norinari, Takahashi, Takeo, Oku, Shinya, Watanabe, Wataru, Okada, Takemichi, Ohno, Hitoshi, Hondo, Mikito, Nishimura, Keiichiro
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container_end_page 75
container_issue 2
container_start_page 73
container_title Japanese journal of radiology
container_volume 25
creator Osada, Hisato
Honda, Norinari
Takahashi, Takeo
Oku, Shinya
Watanabe, Wataru
Okada, Takemichi
Ohno, Hitoshi
Hondo, Mikito
Nishimura, Keiichiro
description We encountered a case of arteriovenous malformation (AVM) of the gallbladder in a patient with hepatocellular carcinoma (HCC). Contrast-enhanced computed tomography (CT) showed serpentine vessels around and within the gallbladder wall. Angiography showed dilated and tortuous cystic arteries, a racemose vascular network, and early-filling cystic veins. Transcatheter arterial embolization of two cystic arteries feeding the AVM was performed with platinum microcoils prior to transcatheter arterial chemoembolization for HCC to prevent embolic particles from flowing into these arteries. Follow-up contrast-enhanced CT showed blood flow in the gallbladder AVM, which appeared to be fed by the arterial collaterals.
doi_str_mv 10.1007/s11604-006-0098-y
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subjects Aged
Angiography
Arteriovenous Malformations - diagnostic imaging
Arteriovenous Malformations - therapy
Carcinoma, Hepatocellular - complications
Chemoembolization, Therapeutic
Collateral Circulation
Contrast Media
Female
Gallbladder - blood supply
Humans
Liver Neoplasms - complications
Medical imaging
Tomography, X-Ray Computed
Veins & arteries
title Arteriovenous malformation of the gallbladder: CT and angiographic findings
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