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Published on: September 7, 2013
Paediatric melanoma
C Stefanaki1, L Chardalias1, E Soura1
1University Department of Dermatology - Venereology, "Andreas Sygros" Hospital, Athens, Greece.
Insights
Paediatric melanoma, the most common childhood skin cancer, presents unique challenges. Understanding incidence trends and risk factors is crucial for early detection and improved outcomes in children.
Area of Science:
- Dermatology
- Paediatric Oncology
Background:
- Paediatric melanoma is the most common skin cancer in children, despite its rarity.
- Existing research on paediatric melanoma incidence trends yields conflicting results.
- Key risk factors include family history, prior malignancy, nevi, sunburns, UV exposure, and sun sensitivity.
Purpose of the Study:
- To synthesize current knowledge on paediatric melanoma incidence trends.
- To highlight unique clinical presentations and differential diagnoses in children.
- To address the lack of specific management guidelines for paediatric melanoma.
Main Methods:
- Review of existing literature on paediatric melanoma incidence and trends.
- Analysis of clinical presentation variations in younger children.
- Comparison of paediatric melanoma characteristics with adult cases.
Main Results:
- Paediatric melanoma often presents atypically in younger children (e.g., changing, amelanotic lesions) and may not meet ABCDE criteria.
- Differential diagnoses include melanocytic nevi, congenital nevi nodules, and atypical Spitz tumors.
- Non-Caucasian children, thicker tumors, and lymph node involvement are more common in younger pediatric melanoma patients.
Conclusions:
- Despite advanced stage at diagnosis, overall survival for paediatric melanoma is generally fair.
- Management often mirrors adult protocols due to a lack of specific pediatric guidelines.
- Further research is needed to clarify incidence trends and establish tailored treatment strategies.
Abstract:
Paediatric melanoma, although rare, is the most common skin cancer in children. Our current knowledge on paediatric melanoma incidence trends is expanding, as several studies have addressed this issue with conflicting results. Known risk factors for paediatric melanoma include family history of melanoma, a previous history of malignancy, large congenital nevi, numerous melanocytic nevi, sunburns, increased UV exposure and a sun-sensitive phenotype. In younger children, melanoma more often presents with atypical features, such as a changing, amelanotic or uniformly coloured, often bleeding lesion, not fulfilling in most cases the conventional ABCDE criteria. The major differential diagnoses are melanocytic nevi, proliferative nodules in congenital nevi and atypical Spitz tumours. Moreover, in the younger age group non-Caucasian children are over-represented, tumours tend to be thicker and lymph nodes are often involved. Despite the frequent diagnosis at an advanced stage, the overall survival is fair in paediatric melanoma. Specific guidelines for management of melanoma in children do not exist, and most often the disease is treated similarly to melanoma in adults.
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