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Infantile hemangioma in four siblings
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
Summary
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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