Dermatofibrosarcoma protuberans.

Area of Science:

• Oncology
• Dermatology
• Surgical Pathology

Background:

• Dermatofibrosarcoma Protuberans (DFSP) is a rare, low-grade malignant skin tumor.
• Understanding its clinicopathologic, evolutional, and ultrastructural features is crucial for effective management.

Purpose of the Study:

• To review the characteristics of DFSP in a Colombian cohort.
• To analyze incidence, demographics, clinical presentation, histology, and treatment outcomes.

Main Methods:

• Retrospective review of 30 DFSP cases diagnosed over 25 years.
• Analysis of patient demographics, tumor site, morphology, and treatment modalities.
• Histopathological and electron-microscopic examination to confirm fibroblastic origin.

Main Results:

• DFSP accounted for 0.06% of malignant tumors and 1.17% of soft-tissue sarcomas.
• Highest incidence observed in patients aged 30-50 years, with a slight female predominance.
• The chest was the most common tumor site; 40% were multinodular, and 23.3% ulcerated.
• Histology showed characteristic fusiform cells; electron microscopy confirmed fibroblastic origin.

Conclusions:

• DFSP is a rare malignancy with distinct clinical and histological features.
• Broad surgical excision down to the aponeurosis is the recommended treatment to minimize recurrence.
• Further research into optimal management strategies for this rare sarcoma is warranted.