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1Klinik für Dermatologie und Allergologie, Paracelsus Medizinische Privatuniversität Salzburg, Österreich.
Summary
Primary cutaneous lymphomas are rare T- or B-cell non-Hodgkin lymphomas affecting all ages. Pediatric cases often present as early-stage mycosis fungoides, responding well to topical treatments.
Area of Science:
- Dermatology
- Pediatric Oncology
- Pathology
Context:
- Primary cutaneous lymphomas (PCLs) are extranodal T- or B-cell non-Hodgkin lymphomas.
- While PCLs predominantly affect older adults, they can occur in all age groups, including infants.
- Distinguishing PCLs from secondary cutaneous lymphomas is crucial.
Purpose:
- To highlight the diagnostic challenges and collaborative approach required for PCLs.
- To outline the specific characteristics of PCLs in pediatric populations.
- To discuss the differences in presentation, diagnosis, and management between pediatric and adult PCLs.
Summary:
- T-cell lymphomas are the most common PCLs in children, with mycosis fungoides being the most frequent type.
- Hypopigmented mycosis fungoides is overrepresented in pediatric patients.
- Early-stage pediatric mycosis fungoides generally shows a good response to topical corticosteroids and phototherapy.
Impact:
- Improved diagnostic strategies for pediatric cutaneous lymphomas.
- Enhanced understanding of PCL variations across different age groups.
- Optimized treatment protocols for early-stage pediatric PCLs, improving patient outcomes.