Introduction Dermatofibrosarcoma protuberans (DFSP) represents an infrequent, low- to intermediate-grade cutaneous sarcoma distinguished by its indolent growth and locally aggressive nature.1 Published estimates of its annual incidence range from 0.8 to 4.2 cases per million persons.2 Approximately 1.7% of DFSP cases were classified as atrophic in a reported clinicopathological series.2,3 Nonprotuberant atrophic or sclerotic plaques may resemble morphea, scars, panniculitis, or...