Primary cutaneous undifferentiated small round cell CIC-DUX4 sarcoma

with a higher rate of multidisciplinary collaboration, use of general anesthesia, advanced reconstructive techniques, and surgical complications compared to DFSPs in non-complex areas.Slow MMS was the predominant surgical approach, with no observed statistically significant differences between the two groups.These findings underscore the importance of tailored surgical planning and close postoperative monitoring for patients with DFSPs in complex anatomical locations.