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Related Experiment Videos

Sebaceus naevi: a clinicopathologic study.

M A Muñoz-Pérez1, M J García-Hernandez, J J Ríos

  • 1Department of Dermatology, Hospital Virgen Macarena, Seville, Spain.

Journal of the European Academy of Dermatology and Venereology : JEADV
|September 13, 2002
PubMed
Summary
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Sebaceous naevus (SN) malignancies are rare, with syringocystadenoma papilliferum and trichoblastoma being the most common tumors. Early investigation of developmental defects is recommended for potential epidermal naevus syndrome.

Area of Science:

  • Dermatology
  • Pathology
  • Oncology

Background:

  • Sebaceous naevus (SN) is a common congenital skin condition.
  • Understanding the potential for malignancy and associated syndromes is crucial for patient management.

Purpose of the Study:

  • To analyze the incidence of sebaceous naevus (SN).
  • To investigate associated malignancies and developmental defects in patients with SN.

Main Methods:

  • Retrospective analysis of 226 patients with excised SN over 20 years.
  • Recording of epidermal naevus syndrome (Schimmelpenning syndrome) and histological changes suggestive of degeneration.

Main Results:

  • Stage II SN was most common (65%), predominantly on the parietal area (42%).

Related Experiment Videos

  • Syringocystadenoma papilliferum and trichoblastoma were the most frequent tumors arising on SN.
  • Basal cell carcinoma was rare (5 patients); 16 patients had epidermal naevus syndrome, the most common neurocutaneous association.

    • Conclusions:

    • Malignancy arising on SN is infrequent, suggesting prophylactic surgery in children is not recommended.
    • Developmental defects warrant investigation for possible epidermal naevus syndrome associated with SN.