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[Medaillon-like dermal dendrocyte hamartoma: A case report].
J Ellart1, A Trimaille2, B Catteau3
1Service de chirurgie plastique, reconstructrice et esthétique, CHRU de Lille, hôpital Roger-Salengro, rue Emile-Laine, 59037 Lille, France.
Annales De Chirurgie Plastique Et Esthetique
|December 30, 2014
Summary
Medaillon-like dermal dendrocyte hamartomas are rare congenital skin lesions. Distinguishing them from similar conditions like dermatofibrosarcoma protuberance is crucial to avoid misdiagnosis and unnecessary surgery.
Area of Science:
- Dermatology
- Pathology
- Oncology
Background:
- Medaillon-like dermal dendrocyte hamartomas are rare congenital cutaneous lesions.
- These benign, atrophic patches typically appear on the upper trunk or neck.
Observation:
- Lesions present at birth as asymptomatic, round, erythematous, well-circumscribed patches.
- Characteristic features include a pliable, wrinkled surface and subtle telangiectases.
- Histopathology reveals epidermal atrophy and CD34-positive spindle cell proliferation.
Findings:
- The pathophysiology of these hamartomas remains largely unknown.
- Differential diagnosis includes atrophoderma, cutis aplasia, and anetoderma.
- Atrophic congenital dermatofibrosarcoma protuberance poses a significant diagnostic challenge due to clinical and histological similarities.
Implications:
- Molecular studies to rule out the t(17;22) translocation are vital for accurate diagnosis.
- Correct diagnosis prevents unnecessary and potentially disfiguring surgical interventions.
- Understanding these rare conditions aids in appropriate patient management and treatment planning.
