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Updated: Aug 18, 2026

Tissue Engineering of Tumor Stromal Microenvironment with Application to Cancer Cell Invasion
Published on: March 18, 2014
[Ultrastructural study of 14 cases of dermatofibrosarcoma protuberans]
1Department of Pathology, West China University of Medical Sciences, Chengdu.
Abstract:
14 cases of dermatofibrosarcoma protuberans (DFSP) were investigated with electron microscopy. Perineural cells, fibroblasts and primitive mesenchymal cells were found in all cases with perineural cells as the most prominent component. The findings suggest that DFSP is a tumor with heterogeneity, most probably arising from primitive dermal mesenchymal cells which have the potential for differentiation toward different cell lines, especially toward perineural cells.
Insights
Dermatofibrosarcoma protuberans (DFSP) is a heterogeneous skin tumor. Electron microscopy reveals primitive dermal mesenchymal cells as the likely origin, differentiating into various cell types, notably perineural cells.
Area of Science:
- Dermatology
- Oncology
- Cell Biology
Context:
- Dermatofibrosarcoma protuberans (DFSP) is a rare, low-grade malignant skin tumor.
- Understanding the cellular origin and heterogeneity of DFSP is crucial for diagnosis and treatment.
Purpose:
- To investigate the cellular composition and origin of dermatofibrosarcoma protuberans (DFSP) using electron microscopy.
- To elucidate the potential differentiation pathways of DFSP cells.
Summary:
- Electron microscopy analysis of 14 DFSP cases identified perineural cells, fibroblasts, and primitive mesenchymal cells.
- Perineural cells were the most prominent component in the investigated DFSP tumors.
- Findings suggest DFSP arises from primitive dermal mesenchymal cells with potential for diverse cell line differentiation, particularly towards perineural cells.
Impact:
- Provides insights into the cellular heterogeneity and potential cell of origin for DFSP.
- May inform future research on DFSP pathogenesis and targeted therapies.
- Highlights the importance of electron microscopy in characterizing complex skin tumors.

