Related Experiment Video
Updated: Jul 1, 2026
08:49
A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
Mechanisms of Local Aggressiveness Without Metastasis in Dermatofibrosarcoma Protuberans
Reed Popp1, Dirk M Elston2, Emmanuel M Gabriel3
1University of Florida College of Medicine, Gainesville, FL, U.S.A.; reedpopp@ufl.edu.
Anticancer Research
|June 29, 2026
Summary
Dermatofibrosarcoma protuberans (DFSP) primarily invades locally. Metastasis is rare and linked to fibrosarcomatous changes, suggesting DFSP is optimized for stromal infiltration, not systemic spread.
Area of Science:
- Oncology
- Dermatology
- Cancer Biology
Background:
- Dermatofibrosarcoma protuberans (DFSP) is a rare skin cancer known for aggressive local invasion.
- The reasons for its low metastatic potential despite invasiveness are not fully understood.
Purpose of the Study:
- To review current evidence on DFSP's local invasion, metastasis, and molecular drivers.
- To understand the role of the COL1A1-PDGFB fusion in DFSP pathogenesis.
Main Methods:
- A narrative review of peer-reviewed literature from 2010-2026.
- Focused on clinicopathologic features, fibrosarcomatous transformation, and molecular aspects.
Main Results:
- DFSP infiltrates dermis and subcutis, often exceeding visible margins.
- The COL1A1-PDGFB fusion drives tumor growth but not metastasis; metastasis is more common in fibrosarcomatous DFSP.
- DFSP shows limited lymphovascular invasion and incomplete dissemination mechanisms.
Conclusions:
- DFSP is biologically geared towards local invasion rather than metastasis.
- Metastatic potential arises from additional molecular/microenvironmental changes, especially in fibrosarcomatous variants.
- Further research on stromal interactions and vascular access is needed.
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