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Trichoepithelioma associated with cellular blue nevus
1Department of Pathology, Vancouver Hospital and Health Sciences Centre, University of British Columbia, Vancouver, British Columbia, Canada.
Journal of Cutaneous Medicine and Surgery
|November 27, 1999
Summary
This study reports a rare case of trichoepithelioma occurring with a cellular blue nevus. The findings suggest melanocytic nevi may induce epithelial growth in this rare skin condition.
Area of Science:
- Dermatopathology
- Oncology
- Histology
Background:
- Epithelial tumors like trichoepithelioma can rarely occur with melanocytic nevi.
- The association between trichoepithelioma and melanocytic nevi is uncommon.
Observation:
- A solitary, pigmented nodule was surgically removed from a middle-aged woman's scalp.
- Histopathologic examination revealed a cellular blue nevus containing trichoepithelioma structures.
Findings:
- The case presents a rare co-occurrence of trichoepithelioma within a cellular blue nevus.
- Histology confirmed the intimate admixture of both epithelial and melanocytic components.
Implications:
- This rare association supports the theory of epithelial induction by melanocytic nevi.
- Understanding this interaction may offer insights into the pathogenesis of certain skin tumors.