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Infantile haemangiomas: a challenge in paediatric dermatology
R A Schwartz1, M I Sidor, M L Musumeci
1New Jersey Medical School, Newark, NJ, USA. roschwar@cal.berkeley.edu
Insights
Infantile haemangiomas are common childhood vascular tumors. Propranolol shows promise as a new first-line treatment, offering rapid and dramatic responses for these benign tumors.
Area of Science:
- Pediatric Oncology
- Dermatology
- Vascular Biology
Background:
- Infantile haemangiomas are common benign vascular tumors in children.
- They exhibit rapid growth in the first year, followed by slow regression by age 7-10.
- Tumor complexity increases with syndromes, specific locations, or complications.
Purpose of the Study:
- To review the characteristics and management of infantile haemangiomas.
- To evaluate propranolol as a potential first-line systemic therapy.
- To highlight the importance of prompt risk-benefit assessment for treatment.
Main Methods:
- Review of current literature on infantile haemangioma pathogenesis and treatment.
- Analysis of clinical data regarding propranolol efficacy.
- Discussion of factors influencing treatment decisions.
Main Results:
- Infantile haemangiomas involve rapidly dividing endothelial cells and stromal components.
- Propranolol demonstrates a dramatic and rapid response in treating these tumors.
- Treatment decisions are influenced by tumor location, syndromic association, and complications.
Conclusions:
- Propranolol is a promising new first-line systemic therapy for infantile haemangiomas.
- Prompt consideration of risks and benefits is crucial due to propranolol's rapid effects.
- Further research is needed to address remaining management uncertainties.
Abstract:
Infantile haemangiomas, common benign vascular tumours of childhood, are characterized by rapid growth during the first year of life and a slow regression that is usually completed at 7-10 years of age. These tumours are composed of endothelial cells with high mitotic rates and stromal components such as fibroblasts, mast cells and pericytes. Haemangiomas become a challenge when they are part of a syndrome, are located in certain areas of the body or when complications develop. The above-mentioned factors also influence the treatment modality used. However, although there remain many uncertainties regarding management, the beta-adrenergic receptor blocker propranolol is a promising new candidate for first-line systemic therapy. It produces such a dramatic and rapid response that the appearance of an infantile haemangioma should impart expeditious consideration of the risks and benefits of its use.
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