Infantile hemangioma in four siblings

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Rafael A Couto1, Aladdin H Hassanein, Reid A Maclellan

  • 1Department of Plastic and Oral Surgery, Vascular Anomalies Center, Children's Hospital Boston, Harvard Medical School, Boston, MA02115, USA.

Pediatric Dermatology
|July 13, 2012
PubMed

Insights

Four siblings were diagnosed with infantile hemangiomas, a rare occurrence with no prior family history. This case highlights a statistically improbable event in pediatric oncology.

Area of Science:

  • Pediatric Oncology
  • Genetics
  • Dermatology

Background:

  • Infantile hemangioma is the most common tumor in infancy, affecting about 5.0% of Caucasian infants.
  • While often benign, infantile hemangiomas can present with complications requiring medical attention.

Observation:

  • A case study detailing four siblings diagnosed with infantile hemangiomas.
  • Notably, there was no reported family history of this tumor in the affected family.
  • Specific conditions observed included one infant with low birth weight, one set of twins, and three infants presenting with multiple lesions.

Findings:

  • The occurrence of four siblings with infantile hemangiomas is statistically rare.
  • The estimated probability of four consecutive children exhibiting this phenotype is exceptionally low, calculated at 1 in 4,232,804.

Implications:

  • This case suggests potential, yet uncharacterized, genetic or environmental factors contributing to infantile hemangioma development within families.
  • Further research is warranted to explore the etiology of familial infantile hemangiomas.
  • Understanding rare familial presentations can inform genetic counseling and risk assessment for pediatric tumors.

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