Novel TNC-PDGFD fusion in fibrosarcomatous dermatofibrosarcoma protuberans: a case report
Abstract Background Dermatofibrosarcoma protuberans (DFSP) is a superficial fibroblastic tumor characterized by high rate of local recurrence and low metastatic potential.Fibrosarcomatous transformation can rarely arise in DFSP either de novo or as recurrent, which represents a form of tumor progression and carries an increased risk of metastasis o