arteriovenous aneurysm


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arteriovenous aneurysm

[är‚tir·ē·ō′vē·nəs ′an·yə‚riz·əm]
(medicine)
Dilation of the walls of an artery and a vein via an abnormal canal (fistula) between the vessels.
Dilation of an arteriovenous fistula.
References in periodicals archive ?
Byrd, "An analysis of the pathologic anatomy of pulmonary arteriovenous aneurysms with particular reference to the applicability of local excision," Surgery, vol.
We report a case of traumatic retroauricular neuroma that was associated with a coexisting arteriovenous aneurysm. To our knowledge, ours is the first report in the literature of such an association.
Many terms are used to refer to this lesion, notably, arteriovenous aneurysm, cavernous haemangioma, central haemangioma, pulsatile haemangioma, angioma, arteriovenous shunt, arteriovenous malformation.