Dermatofibrosarcoma Protuberans
Clinical
- Wide age range but most common 20-40 years of age
- Trunk most common, followed by proximal extremities and head and neck
- Very rare cases of similar appearing tumors in deep tissues and retroperitoneum
- Slow growth
- Early lesions are plaque-like
- Late lesions protuberant
- 10-20% recur if widely excised
- Frequent, aggressive recurrences if not widely excised
- Metastases <5% if widely excised
- Cases with areas of sarcoma appear to have the same behavior as usual cases if widely excised