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Home > Health Library > Childhood Vascular Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http://cancer.gov or call 1-800-4-CANCER.
Childhood vascular tumors form from cells that make blood vessels or lymph vessels.
Vascular tumors can form from abnormal blood vessel or lymph vessel cells anywhere in the body. They may be benign (not cancer) or malignant (cancer). There are many types of vascular tumors. The most common type of childhood vascular tumor is infantile hemangioma, which is a benign tumor that usually goes away on its own.
Because malignant vascular tumors are rare in children, there is not a lot of information about what treatment works best.
Tests are used to detect (find) and diagnose childhood vascular tumors.
The following tests and procedures may be used:
Childhood vascular tumors may be classified into four groups.
Benign tumors are not cancer. This summary has information about the following benign vascular tumors:
Intermediate (locally aggressive) tumors
Intermediate tumors that are locally aggressive often spread to the area around the tumor. This summary has information about the following locally aggressive vascular tumors:
Intermediate (rarely metastasizing) tumors
Intermediate (rarely metastasizing) tumors sometimes spread to other parts of the body. This summary has information about the following vascular tumors that rarely metastasize:
Malignant tumors are cancer. This summary has information about the following malignant vascular tumors:
There are different types of treatment for childhood vascular tumors.
Different types of treatment are available for children with vascular tumors. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment.
Because vascular tumors in children are rare, taking part in a clinical trial should be considered. Some clinical trials are open only to patients who have not started treatment.
Children with childhood vascular tumors should have their treatment planned by a team of health care providers who are experts in treating cancer in children.
Treatment will be overseen by a pediatric oncologist, a doctor who specializes in treating children with cancer. The pediatric oncologist works with other pediatric health care providers who are experts in treating children with cancer and who specialize in certain areas of medicine. These may include the following specialists:
Treatment for childhood vascular tumors may cause side effects.
For information about side effects that begin during treatment for cancer, see our Side Effects page.
Some treatments, such as chemotherapy and radiation therapy, cause side effects that continue or appear months or years after treatment has ended. These are called late effects. Late effects of treatment may include the following:
Some late effects may be treated or controlled. It is important to talk with your child's doctors about the possible late effects caused by some treatments. (See the PDQ summary on Late Effects of Treatment for Childhood Cancer for more information).
Eleven types of standard treatment are used:
Beta-blockers are drugs that decrease blood pressure and heart rate. When used in patients with vascular tumors, beta-blockers may help shrink the tumors. Beta-blocker therapy may be given by vein (IV), by mouth, or placed on the skin (topical). The way the beta-blocker therapy is given depends on the type of vascular tumors and where the tumor first formed.
The beta-blocker propranolol is usually the first treatment for hemangiomas. Infants treated with IV propranolol may need to have their treatment started in a hospital. Propranolol is also used to treat benign vascular tumor of liver and kaposiform hemangioendothelioma.
Other beta-blockers used to treat vascular tumors include atenolol, nadolol, and timolol.
Infantile hemangioma may also be treated with propranolol and steroid therapy or propranolol and topical beta-blocker therapy.
See the drug information summary on Propranolol Hydrochloride for more information.
The following types of surgery may be used to remove many types of vascular tumors:
The type of surgery used depends on the type of vascular tumor and where the tumor formed in the body.
For malignant tumors, after the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given chemotherapy or radiation therapy after surgery to kill any cancer cells that are left. Treatment given after the surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.
Photocoagulation is the use of an intense beam of light, such as a laser, to seal off blood vessels or destroy tissue. It is used to treat pyogenic granuloma.
Embolization is a procedure that uses particles, such as tiny gelatin sponges or beads, to block blood vessels in the liver. It may be used to treat some benign vascular tumors of the liver and kaposiform hemangioendothelioma.
Chemotherapy is a treatment that uses drugs to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. There are different ways to give chemotherapy:
The way the chemotherapy is given depends on the type of the vascular tumor being treated. Systemic and topical chemotherapy are used to treat some vascular tumors.
Sclerotherapy is a treatment used to destroy the blood vessel that leads to the tumor and the tumor. A liquid is injected into the blood vessel, causing it to scar and break down. Over time, the destroyed blood vessel is absorbed into normal tissue. The blood flows through nearby healthy veins instead. Sclerotherapy is used in the treatment of epithelioid hemangioma.
Radiation therapy is a treatment that uses high-energy x-rays or other types of radiation to kill tumor cells or keep them from growing. There are two types of radiation therapy:
The way the radiation therapy is given depends on the type of the vascular tumor being treated. External radiation is used to treat some vascular tumors.
Targeted therapy is a type of treatment that uses drugs or other substances to attack specific tumor cells. Targeted therapies usually cause less harm to normal cells than chemotherapy or radiation therapy do. Different types of targeted therapy are being used or studied to treat childhood vascular tumors:
Immunotherapy is a treatment that uses the patient's immune system to fight disease. Substances made by the body or made in a laboratory are used to boost, direct, or restore the body's natural defenses against disease.
The following types of immunotherapy are being used in the treatment of childhood vascular tumors:
There are two types of immune checkpoint inhibitor therapy:
Other drug therapy
Other drugs used to treat childhood vascular tumors or manage their effects include the following:
Observation is closely monitoring a patient's condition without giving any treatment until signs or symptoms appear or change.
New types of treatment are being tested in clinical trials.
Information about clinical trials is available from the NCI website.
Patients may want to think about taking part in a clinical trial.
For some patients, taking part in a clinical trial may be the best treatment choice. Clinical trials are part of the research process. Clinical trials are done to find out if new treatments are safe and effective or better than the standard treatment.
Many of today's standard treatments are based on earlier clinical trials. Patients who take part in a clinical trial may receive the standard treatment or be among the first to receive a new treatment.
Patients who take part in clinical trials also help improve the way disease will be treated in the future. Even when clinical trials do not lead to effective new treatments, they often answer important questions and help move research forward.
Patients can enter clinical trials before, during, or after starting their cancer treatment.
Some clinical trials only include patients who have not yet received treatment. Other trials test treatments for patients whose tumors have not gotten better. There are also clinical trials that test new ways to stop tumors from recurring (coming back) or reduce the side effects of treatment.
Clinical trials are taking place in many parts of the country. Information about clinical trials supported by NCI can be found on NCI's clinical trials search webpage. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.
Follow-up tests may be needed.
Some of the tests that were done to diagnose the vascular tumor may be repeated. Some tests will be repeated in order to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.
Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your child's condition has changed or if the tumor has recurred (come back). These tests are sometimes called follow-up tests or check-ups.
For information about the treatments listed below, see the Treatment Option Overview section.
Infantile hemangiomas are the most common type of benign vascular tumor in children. Infantile hemangiomas form when immature cells that are meant to form blood vessels form a tumor instead. An infantile hemangioma may also be called a "strawberry mark."
These tumors are not usually seen at birth but appear when the infant is 3 to 6 weeks old. Most hemangiomas get bigger for about 5 months and then stop growing. The hemangiomas slowly fade away over the next several years, but a red mark or loose or wrinkled skin may remain. It is rare for an infantile hemangioma to come back.
Infantile hemangiomas may be on the skin, in the tissue below the skin, and/or in an organ. They are usually on the head and neck but can be anywhere on or in the body. Hemangiomas may appear as a single lesion, one or more lesions spread over a larger area of the body, or multiple lesions in more than one part of the body. Lesions that are spread over a larger area of the body or multiple lesions are more likely to cause problems.
Infantile hemangioma with minimal or arrested growth (IH-MAG) is a certain type of infantile hemangioma that is seen at birth and does not tend to get bigger. The lesion appears as light and dark areas of redness in the skin. The lesions are usually on the lower body but can be on the head and neck. Hemangiomas of this type go away over time without treatment.
Anything that increases your risk of getting a disease is called a risk factor. Having a risk factor does not mean that you will get the disease; not having risk factors doesn't mean that you will not get the disease. Talk with your child's doctor if you think your child may be at risk.
Infantile hemangiomas are more common in the following:
Other risk factors for infantile hemangiomas include the following:
Having more than one hemangioma or an airway or ophthalmic hemangioma increases the risk of having other health problems.
Signs and Symptoms
Infantile hemangiomas may cause any of the following signs and symptoms. Check with your child's doctor if your child has any of the following:
Although most infantile hemangiomas are nothing to worry about, if your child develops any lumps or red or blue marks on the skin check with your child's doctor. He or she can refer the child to a specialist if needed.
A physical exam and history are usually all that are needed to diagnose infantile hemangiomas. If there is something about the tumor that looks unusual, a biopsy may be done. If the hemangioma is deeper inside the body with no change to the skin, or the lesions are spread across a large area of the body, an ultrasound may be done. See the General Information section for a description of these tests and procedures.
If the hemangiomas are part of a syndrome, more tests may be done, such as an echocardiogram, MRI, magnetic resonance angiogram, and eye exam.
Most hemangiomas fade and shrink without treatment. If the hemangioma is large or causing other health problems, treatment may include the following:
Congenital hemangioma is a benign vascular tumor that begins forming before birth and is fully formed when the baby is born. They're usually on the skin but can be in another organ. A congenital hemangioma may occur as a rash of purple spots and the skin around the spot may be lighter.
There are three types of congenital hemangiomas:
See the General Information section for a description of tests and procedures, such as ultrasound, used to diagnose congenital hemangioma.
Treatment of rapidly involuting congenital hemangioma and partial involuting congenital hemangioma may include the following:
Treatment of non-involuting congenital hemangioma may include the following:
Benign Vascular Tumors of the Liver
Benign vascular tumors of the liver may be focal vascular lesions (a single lesion in one area of the liver), multiple liver lesions (multiple lesions in one area of the liver), or diffuse liver lesions (multiple lesions in more than one area of the liver).
The liver has many functions, including filtering blood and making proteins needed for blood clotting. Sometimes, blood that normally flows through the liver is blocked or slowed by the tumor. This sends blood directly to the heart without going through the liver and is called a liver shunt. This can cause heart failure and problems with blood clotting.
Focal Vascular Lesions
Focal vascular lesions are usually rapidly involuting congenital hemangiomas or non-involuting congenital hemangiomas.
See the General Information section for a description of tests and procedures used to diagnose focal vascular lesions of the liver.
Treatment of focal vascular lesions of the liver depends on whether symptoms occur and may include the following:
Multiple and Diffuse Liver Lesions
Multifocal and diffuse lesions of the liver are usually infantile hemangiomas. Diffuse lesions of the liver can cause serious effects, including problems with the thyroid gland and heart. The liver can enlarge, press on other organs, and cause more symptoms.
See the General Information section for a description of tests and procedures used to diagnose multifocal or diffuse benign vascular lesions.
Treatment of multifocal liver lesions may include the following:
Treatment of diffuse liver lesions may include the following:
If a vascular lesion of the liver does not respond to standard treatments, a biopsy may be done to see if the tumor has become malignant.
Spindle Cell Hemangioma
Spindle cell hemangiomas contain cells called spindle cells. Under a microscope, spindle cells look long and slender.
Anything that increases your risk of getting a disease is called a risk factor. Having a risk factor does not mean that you will get the disease; not having risk factors doesn't mean that you will not get the disease. Talk with your child's doctor if you think your child may be at risk. Spindle cell hemangiomas are likely to occur in children with the following syndromes:
Spindle cell hemangiomas appear on or under the skin. They are painful red-brown or bluish lesions that usually appear on the arms or legs. They can begin as one lesion and develop into more lesions over years.
See the General Information section for a description of tests and procedures used to diagnose spindle cell hemangioma.
There is no standard treatment for spindle cell hemangiomas. Treatment may include the following:
Spindle cell hemangiomas may come back after surgery.
Epithelioid hemangiomas usually form on or in the skin, especially the head, but can occur in other areas, such as bone.
Epithelioid hemangiomas are sometimes caused by injury. On the skin, they may appear as firm pink to red bumps and may be itchy. Epithelioid hemangioma of the bone may cause swelling, pain, and weakened bone in the affected area.
See the General Information section for a description of tests and procedures used to diagnose epithelioid hemangioma.
There is no standard treatment for epithelioid hemangiomas. Treatment may include the following:
Epithelioid hemangiomas often come back after treatment.
Pyogenic granuloma is also called lobular capillary hemangioma. It is most common in older children and young adults but may occur at any age.
The lesions are sometimes caused by injury or from the use of certain medicines, including birth control pills and retinoids. They may also form for no known reason inside capillaries (the smallest blood vessels), arteries, veins, or other places on the body. Usually there is only one lesion, but sometimes multiple lesions occur in the same area or the lesions may spread to other areas of the body.
Pyogenic granulomas are raised, bright red lesions that may be small or large and smooth or bumpy. They grow quickly over weeks to months and may bleed a lot. These lesions are usually on the surface of the skin, but may form in the tissues below the skin and look like other vascular lesions.
See the General Information section for a description of tests and procedures used to diagnose pyogenic granuloma.
Some pyogenic granulomas go away without treatment. Other pyogenic granulomas need treatment that may include the following:
Pyogenic granulomas often come back after treatment.
Angiofibromas are rare. They are benign skin lesions that usually occur with a condition called tuberous sclerosis (an inherited disorder that causes skin lesions, seizures, and mental disabilities).
Angiofibromas appear as red bumps on the face.
See the General Information section for a description of tests and procedures used to diagnose angiofibroma.
Treatment of angiofibromas may include the following:
Juvenile Nasopharyngeal Angiofibroma
Juvenile nasopharyngeal angiofibromas are benign tumors but they can grow into nearby tissue. They begin in the nasal cavity and may spread to the nasopharynx, the paranasal sinuses, the bone around the eyes, and sometimes to the brain.
See the General Information section for a description of tests and procedures used to diagnose juvenile nasopharyngeal angiofibroma.
Treatment of juvenile nasopharyngeal angiofibromas may include the following:
Kaposiform Hemangioendothelioma and Tufted Angioma
Kaposiform hemangioendotheliomas and tufted angiomas are blood vessel tumors that occur in infants or young children. These tumors can cause Kasabach-Merritt phenomenon, a condition in which the blood is not able to clot and serious bleeding may occur. In Kasabach-Merritt phenomenon, the tumor traps and destroys platelets (blood-clotting cells). Then there aren't enough platelets in the blood when needed to stop bleeding. This type of vascular tumor is not related to Kaposi sarcoma.
Kaposiform hemangioendotheliomas and tufted angiomas usually occur on the skin of the arms and legs, but may also form in deeper tissues, such as muscle or bone, or in the chest or abdomen.
Signs and symptoms may include the following:
Patients who have kaposiform hemangioendothelioma and tufted angioma may have anemia (weakness, feeling tired, or looking pale).
See the General Information section for a description of tests and procedures used to diagnose kaposiform hemangioendothelioma.
If a physical exam and MRI clearly show the tumor is a kaposiform hemangioendothelioma or a tufted angioma, a biopsy may not be needed. A biopsy is not always done because serious bleeding can occur.
Treatment of kaposiform hemangioendotheliomas and tufted angiomas depends on the child's symptoms. Infection, delay in treatment, and surgery can cause bleeding that is life-threatening. Kaposiform hemangioendotheliomas and tufted angiomas are best treated by a vascular anomaly specialist.
Treatment and supportive care to manage bleeding may include the following:
Even with treatment, these tumors do not fully go away and can come back. Pain and inflammation may get worse with age, often around the time of puberty. Long-term effects include chronic pain, heart failure, bone problems, and lymphedema (the build up of lymph fluid in tissues).
Pseudomyogenic hemangioendothelioma can occur in children, but is most common in men between 20 and 50 years of age. These tumors are rare, and usually occur on or under the skin, or in bone. They may spread to nearby tissue, but usually do not spread to other parts of the body. In most cases, there are multiple tumors.
Pseudomyogenic hemangioendotheliomas may appear as a lump in soft tissue or may cause pain in the affected area.
See the General Information section for a description of tests and procedures used to diagnose pseudomyogenic hemangioendothelioma.
Treatment of pseudomyogenic hemangioendotheliomas may include the following:
Because pseudomyogenic hemangioendothelioma is so rare in children, treatment options are based on clinical trials in adults.
Retiform hemangioendotheliomas are slow growing, flat tumors that occur in young adults and sometimes children. These tumors usually occur on or under the skin of the arms, legs, and trunk. These tumors usually do not spread to other parts of the body.
See the General Information section for a description of tests and procedures used to diagnose retiform hemangioendothelioma.
Treatment of retiform hemangioendotheliomas may include the following:
Retiform hemangioendothelioma may come back after treatment.
Papillary Intralymphatic Angioendothelioma
Papillary intralymphatic angioendotheliomas are also called Dabska tumors. These tumors form in or under the skin anywhere on the body. Lymph nodes are sometimes affected.
Papillary intralymphatic angioendotheliomas may appear as firm, raised, purplish bumps, which may be small or large.
See the General Information section for a description of tests and procedures used to diagnose papillary intralymphatic angioendothelioma.
Treatment of papillary intralymphatic angioendotheliomas may include the following:
Composite hemangioendotheliomas have features of both benign and malignant vascular tumors. These tumors usually occur on or under the skin on the arms or legs. They may also occur on the head, neck, or chest. Composite hemangioendotheliomas are not likely to metastasize (spread) but they may come back in the same place. When the tumors metastasize, they usually spread to nearby lymph nodes.
See the General Information section for a description of tests and procedures used to diagnose composite hemangioendothelioma and find out whether the tumor has spread.
Treatment of composite hemangioendotheliomas may include the following:
Kaposi sarcoma is a cancer that causes lesions to grow in the skin; the mucous membranes lining the mouth, nose, and throat; lymph nodes; or other organs. It is caused by the Kaposi sarcoma herpes virus (KSHV). In the United States, it occurs most often in children who have a weak immune system caused by rare immune system disorders, HIV infection, or drugs used in organ transplants.
Signs in children may include the following:
See the General Information section for a description of tests and procedures used to diagnose Kaposi sarcoma.
Treatment of Kaposi sarcoma may include the following:
Because Kaposi sarcoma is so rare in children, some treatment options are based on clinical trials in adults. See the PDQ summary on Kaposi Sarcoma Treatment for information about Kaposi sarcoma in adults.
Epithelioid hemangioendotheliomas can occur in children, but are most common in adults between 30 and 50 years of age. They usually occur in the liver, lung, or in bone. They may be fast growing or slow growing. In about a third of cases, the tumor spreads to other parts of the body very quickly.
Signs and symptoms depend on where the tumor is:
Tumors that occur in the liver or soft tissue may also cause signs and symptoms.
Epithelioid hemangioendotheliomas in the liver are found with CT scans and MRI scans. See the General Information section for a description of these tests and procedures used to diagnose epithelioid hemangioendothelioma and find out whether the tumor has spread. X-rays may also be done.
Treatment of slow-growing epithelioid hemangioendotheliomas includes the following:
Treatment of fast-growing epithelioid hemangioendotheliomas may include the following:
Angiosarcoma of the Soft Tissue
Angiosarcomas are fast-growing tumors that form in blood vessels or lymph vessels in any part of the body, usually in soft tissue. Most angiosarcomas are in or near the skin. Those in deeper soft tissue can form in the liver, spleen, and lung.
These tumors are very rare in children. Children sometimes have more than one tumor in the skin and/or liver.
Anything that increases your risk of getting a disease is called a risk factor. Having a risk factor does not mean that you will get the disease; not having risk factors doesn't mean that you will not get the disease. Talk with your child's doctor if you think your child may be at risk. Risk factors for angiosarcomas include the following:
Signs of angiosarcoma depend on where the tumor is and may include the following:
See the General Information section for a description of tests and procedures used to diagnose angiosarcoma and find out whether the tumor has spread.
Treatment of angiosarcoma may include the following:
For more information about childhood vascular tumors, see the following:
For more childhood cancer information and other general cancer resources, see the following:
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Purpose of This Summary
This PDQ cancer information summary has current information about the treatment of childhood vascular tumors. It is meant to inform and help patients, families, and caregivers. It does not give formal guidelines or recommendations for making decisions about health care.
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PDQ® Pediatric Treatment Editorial Board. PDQ Childhood Vascular Tumors Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/soft-tissue-sarcoma/patient/child-vascular-tumors-treatment-pdq. Accessed <MM/DD/YYYY>. [PMID: 27253005]
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Last Revised: 2019-08-29
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