01/28/2026
A hemangioma is a common, benign (noncancerous) vascular tumor formed by a dense cluster of extra blood vessels, frequently appearing as a bright red "strawberry mark" or bluish bump in infants shortly after birth. They often grow rapidly during the first year of life before slowly shrinking and disappearing, typically by age 5 to 10. While most require no treatment, interventions like beta-blockers may be needed if they interfere with vital functions.
Key Facts
Appearance: Usually bright red (superficial) or blue/purple (deep) bumps, often found on the face, scalp, or chest.
Demographics: More common in girls, premature babies, and white infants.
Growth Phases: They have an initial rapid growth phase (proliferative) followed by a slow shrinking phase (involution).
Causes:
The exact cause is unknown, but they are not inherited.
Common Types
Infantile Hemangioma (IH): Appears in the first few weeks of life.
Congenital Hemangioma: Fully formed at birth.
Liver Hemangioma: A noncancerous mass that can occur in the liver.
When to Seek Medical Care
While most go away on their own, contact a doctor if a hemangioma:
Bleeds, forms a sore (ulcerates), or looks infected.
Is located near the eyes, nose, or mouth and threatens to block vision, breathing, or feeding.
Grows rapidly or causes disfigurement.
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