Cytologic features of primary, recurrent, and metastatic dermatofibrosarcoma protuberans
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) is a low-grade spindle cell neoplasm involving both dermis and subcutis. Its diagnosis may be difficult to render from cytologic smears, as it shares some features with other spindle cell lesions occurring in the skin and soft tissue.METHODS: Fourteen aspiration smears from 12 patients with primary, recurrent, or metastatic DFSP, examined by fine-