Understanding Infantile Hemangioma: Symptoms and Treatment

Written by Medicover Team and Medically Reviewed by Dr Neha Mukhi , Pediatricians

Infantile hemangiomas, commonly referred to as "strawberry marks," are benign vascular tumors that typically appear in infancy. While they often resolve on their own, these growths can sometimes require medical intervention. Let us look into the causes, risk factors, diagnosis, symptoms, and treatment options for infantile hemangiomas, offering a comprehensive guide for parents and healthcare professionals alike.

These benign vascular tumors are noncancerous growths made up of blood vessels. They usually manifest shortly after birth and are most commonly found on the skin, although they can develop internally. These tumors undergo a rapid growth phase followed by a slow involution phase, often resolving completely by the age of 10.

What Are the Symptoms of Infantile Hemangioma?

Infantile hemangiomas usually appear as a red or bluish skin lesion that grows rapidly during the first few months of life. Depending on the size and location, they may cause swelling, ulceration, bleeding, or interfere with normal body functions.

Appearance

Infantile hemangiomas typically present as a small red or bluish mark on the skin. They may initially resemble a scratch or bruise but rapidly grow into a noticeable lump.

Growth Phases

These tumors undergo two main phases:

Complications

While most hemangiomas are harmless, complications can arise. These include ulceration, bleeding, and, in rare cases, interference with vital functions such as breathing or vision.

What Causes Infantile Hemangioma?

The exact cause of infantile hemangiomas remains unknown, but research suggests a combination of genetic and environmental factors. Studies indicate that hemangiomas are more common in premature infants and low-birth-weight babies, pointing to an association with prenatal factors.

When Should You See a Doctor for Infantile Hemangioma?

Consult a pediatrician if the hemangioma grows rapidly, bleeds, ulcerates, or affects your baby's normal activities.

Early diagnosis and treatment help prevent complications, improve cosmetic outcomes, and protect vital functions.

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How Is Infantile Hemangioma Diagnosed?

Doctors usually diagnose infantile hemangioma through a physical examination and medical history. Imaging tests such as ultrasound or MRI may be recommended for deep or complex hemangiomas, while biopsy is rarely required.

Clinical Examination

Diagnosis is primarily clinical, based on the appearance and growth pattern of the tumor.

Imaging Studies

In cases where the diagnosis is uncertain, imaging studies such as ultrasound, MRI, or CT scans may be employed to distinguish hemangiomas from other vascular tumors.

Biopsy

A biopsy is rarely required but may be performed if the lesion has atypical features or if there is a concern for malignancy.

How Is Infantile Hemangioma Treated?

Most infantile hemangiomas improve without treatment. However, larger or problematic lesions may require oral propranolol, topical medications, laser therapy, or surgery to reduce complications and improve cosmetic and functional outcomes.

Propranolol

Propranolol is administered orally and has a high success rate in shrinking hemangiomas. Regular follow-ups and dosage adjustments are necessary to monitor efficacy and side effects.

Corticosteroids

For hemangiomas that do not respond to propranolol, oral or intralesional corticosteroids may be considered. They work by reducing inflammation and inhibiting the growth of the hemangioma.

Interferon-Alpha

In rare, severe cases, interferon-alpha may be used, although it carries a risk of significant side effects.

Vincristine

Vincristine, a chemotherapeutic agent, is another option for life-threatening hemangiomas unresponsive to other treatments.

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What Are the Risk Factors for Infantile Hemangioma?

Infantile hemangioma is more common in premature babies, infants with low birth weight, females, and those with a family history of the condition. Certain pregnancy-related factors may also increase the risk.

Premature Birth

Prematurely born infants have a higher likelihood of developing hemangiomas. The risk increases with the degree of prematurity.

Low Birth Weight

Infants with a low birth weight are also at a higher risk. This is often correlated with prematurity.

Female Gender

Females are more prone to developing infantile hemangiomas compared to males, with a ratio of approximately 3:1.

Family History

There is evidence to suggest a genetic predisposition, as hemangiomas often appear in families.

How Is Infantile Hemangioma Different from Other Vascular Tumors?

Differentiating infantile hemangiomas from other vascular tumors is crucial for appropriate management. Key distinctions include:

Congenital Hemangiomas

Unlike infantile hemangiomas, congenital hemangiomas are fully formed at birth and do not undergo a proliferative phase.

Vascular Malformations

Vascular malformations, such as venous or lymphatic malformations, grow proportionately with the child and do not regress spontaneously.

Kaposiform Hemangioendothelioma

This rare, aggressive vascular tumor can be life-threatening and requires immediate medical intervention.