Venous malformations are slow-flow vascular malformations due to abnormalities in the development of veins. Venous malformations vary in size and location within the body. When the skin or tissues just under the skin are affected, they appear as a slightly blue-coloured skin stain or swelling. These can vary in size from time to time because of swelling within the malformation. As these are vascular malformations, these are present at birth and grow proportionately to the child. As some venous malformations do not involve the skin and are deeply located, there may be no colour change or swelling in the skin and the condition is identified when a scan such as MRI or ultrasound is done. Ultrasound of a venous malformation in the muscle of the leg.
Vascular Anomalies Center by the side of Texas Children’s Rest home
Venous malformations (VMs) are slow-flow vascular malformations, caused by abnormalities in the development of the veins. Venous malformations vary in size . Eur Rev Med Pharmacol Sci. Mar;16(3) Treatment of facial vascular malformations with embolisation and surgical resection. Pompa V(1), Brauner.
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Arteriovenous Malformations (AVMs) - Boston Children's Sickbay
Author information: Facial arteriovenous malformations AVMs are quite rare morbid conditions that clinically present themselves mainly as a massive bleeding or a significant aesthetic defect. Vascular malformations do not regress spontaneously; this is the reason why their resection is necessary. The successful treatment of these vascular anomalies is often compromised, since a high incidence of recurrence could be expected if the lesion is not managed properly.