Cirsoid aneurysm
A cirsoid aneurysm, also referred to as an arteriovenous hemangioma is the dilation of a group of blood vessels due to congenital malformations with arterio venous (AV) shunting. "Cirsoid" means resembling a varix. They are most common on the head or neck.Cirsoid aneurysms appear as nodules or papules. Histologically, they are composed of both thick- and thin-walled blood vessels.


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