Vascular malformations are abnormalities in the blood vessels. It means that there are unusual formations or structures in the blood vessels, which can cause problems in the way blood flows through them. Full definition
«Use of the KTP laser, which eradicates blood vessels in a process called photoangiolysis, was conceived to treat vascular malformations in infants» delicate skin; but we have demonstrated that this specialized laser is especially effective in treating vocal - cord cancer,» says Zeitels. (sciencedaily.com)
Management of Vascular Malformations in Dangerous Area of Oral Cavity: The Iranian Experience and Review of Treatment Modalities (scirp.org)
Subarachnoid hemorrhages are frequently caused by vascular malformations, e.g. aneurysmal. (walkerkarraa.com)