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Ophthalmology and Visual Sciences

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Arteriovenous malformation in Wyburn-Mason syndrome

Contributor: Jesse Vislisel, MD

Photographer: Carol Chan, CRA

Wyburn-Mason syndrome (racemose hemangiomatosis) is a non-hereditary, unilateral condition characterized by retinal arteriovenous malformations composed of dilated, tortuous vessels which shunt blood between arteries and veins. Patients can also have arteriovenous malformations of the orbit, facial bones, and brain with secondary neurologic symptoms.

Below are fundus photographs from two patients with Wyburn-Mason syndrome

Wyburn Mason syndrome

Wyburn Mason arteriovenous malformation

(click on images for higher resolution)


Arteriovenous malformation in Wyburn-Mason syndrome

Contributor: Christopher Kirkpatrick, MD

Photographer: Cindy Montague, CRA

Category: Retina

This picture is an example of a group II retinal arteriovenous malformation in which there is direct artery to vein communication without intervening capillary or arteriolar elements causing hyperdynamic flow through low resistance veins that has resulted in edema.

This picture is an example of a group II retinal arteriovenous malformation in which there is direct artery to vein communication without intervening capillary or arteriolar elements causing hyperdynamic flow through low resistance veins that has resulted in edema.


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Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

last updated: 06/29/2015
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