They are not dangerous and may require cosmetic treatment or no treatment at all. Other vascular malformations, such as arteriovenous malformations and venous malformations, are located inside the body. Some internal malformations have a corresponding sore or mark on the skin.

Can a venous malformation burst?

When an AVM disrupts this critical process, the surrounding tissues may not get enough oxygen. Also, because the tangled blood vessels that form the AVM are abnormal, they can weaken and rupture. If the AVM is in the brain and ruptures, it can cause bleeding in the brain (hemorrhage), stroke or brain damage.

Can venous malformations be cured?

Because there's no cure for a venous malformation (VM), we focus on managing your child's symptoms. We only recommend treating a VM if the malformation: causes pain. creates a deformity.