Vascular Anomalies Center | Conditions and Treatments

Arteriovenous Malformations (AVMs)

Arteriovenous Malformations (AVMs) are abnormal connections between arteries and veins that are congenital (present at birth). They don't have the normal network of tiny vessels (capillaries) that...

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When you saw that your baby had a birthmark, you may have been concerned. But rest assured that birthmarks are very common in infants—and most of them are pretty harmless. Birthmarks are areas of...

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Capillary malformation

A capillary malformation—sometimes called a "port-wine stain"—is a kind of birthmark that looks like a flat, red-pink stain on your child's skin. Capillary malformations are vascular malformations...

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Cavernous Malformations

What is a cavernous malformation? A cavernous malformation is a small mass that is made up of abnormal, thin-walled blood vessels. These malformations are sometimes called cavernomas, cavernous...

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CLOVES Syndrome

What is CLOVES? Congenital Lipomatous Overgrowth, Vascular Malformations, Epidermal Nevis, Spinal/Skeletal Anomalies/Scoliosis (CLOVES) syndrome is a very rare congenital (present at birth) disorder...

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Craniofacial Anomalies

What is a craniofacial anomaly? Craniofacial anomalies are deformities that affect a child’s head and facial bones. These disorders are typically present at birth (congenital) and can range from mild...

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Cryoablation for Fibro-Adipose Vascular Anomaly

What is cryoablation? Cryoablation, sometimes called cryotherapy, is a minimally-invasive procedure that uses extreme cold to destroy tissue that is painful, diseased or both. It is a fairly novel but...

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Cutis marmorata telangiectatica congeita (CMTC)

Cutis marmorata telangiectatica congenita (CMTC) is a rare, deep purple, marble- or net-like birthmark. It is mostly cosmetic, and while it is present at birth, it fades considerably over a child's...

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Epithelioid Hemangioendothelioma

Overview What is epithelioid hemangioendothelioma? Epithelioid hemangioendothelioma (EHE) is a rare vascular tumor or anomaly that’s not widely understood. Some describe it as a type of cancer, and in...

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Fibro Adipose Vascular Anomaly

A fibro-adipose vascular anomaly (FAVA) is a painful vascular anomaly where a significant portion of a muscle in one of a child's limbs is taken over by tough, fibrous, fatty tissue. FAVA has only...

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Generalized Lymphatic Anomaly

What is generalized lymphatic anomaly? Generalized lymphatic anomaly (GLA) — also called lymphangiomatosis — is a rare condition involving the abnormal overgrowth of lymphatic vessels in the lungs,...

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Gorham Stout Disease

Boston Children’s Hospital is a world leader in diagnosing and treating Gorham-Stout disease, a very rare bone disorder involving the vascular channels next to and within the bone. There have been...

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Juvenile Nasopharyngeal Angiofibroma

Juvenile nasopharyngeal angiofibroma (JNA) is a benign vascular tumor that appears in the nasal cavity. Although it is non-malignant (not cancerous), it can expand quickly and extensively. JNA can...

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Kaposiform Hemangioendothelioma

Overview What is kaposiform hemangioendothelioma? Kaposiform hemangioendothelioma (KHE) may look like a birthmark, but is actually a benign tumor of a child's blood vessels. It's not a cancer; rather,...

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Kasabach-Merritt phenomenon (KMP) is a complication in which certain vascular tumors trap and destroy platelets. It can be a serious complication because platelets help form blood clots to stop...

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Klippel-Trenaunay Syndrome

Klippel-Trenaunay syndrome (KTS) is a rare congenital (present at birth) vascular anomaly that results in your child having a large number of abnormal blood vessels. No one knows the precise cause....

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Lymphatic Malformation

A lymphatic malformation (LM) is a sponge-like collection of abnormal growths that contain clear fluid. probably caused by a developmental error in the womb no known food, medication, or activity...

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Parkes Weber Syndrome

What is Parkes Weber syndrome (PWS)? PWS is an exceptionally rare congenital (present at birth) vascular anomaly that results in a child having a large number of abnormal blood vessels. It’s similar...

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Sclerotherapy is a minimally invasive, image-guided treatment that involves injecting a liquid medication into a vascular malformation to shrink and close it. What conditions does sclerotherapy treat?...

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Sturge-Weber Syndrome

What is Sturge-Weber syndrome? Sturge-Weber syndrome (SWS) is a rare neurological condition that is present at birth and is not hereditary. Recently, researchers have found that the underlying cause...

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Vascular Malformations, Tumors, and Hemangiomas

Vascular malformations, tumors and hemangiomas all refer to a variety of non-cancerous birthmarks and lesions. Boston Children's Hospital is home to internationally renowned physicians for their...

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Venous Malformation

What is a venous malformation? A venous malformation (VM) is a bluish lesion caused by widened, abnormally shaped veins. While rare, VMs are the most common kind of vascular malformation treated at...

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Tufted Angioma

Tufted angioma is a benign (non-cancerous) vascular tumor and mild variant of Kaposiform hemangioendothelioma (KHE). On biopsy, a tumor may be called tufted angioma, KHE or “tufted angioma/KHE...

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