Figure 2From: Atrophic dermatofibrosarcoma protuberans: report of a case demonstrated by detecting COL1A1-PDGFB rearrangement (A) Biopsy revealed a monomorphic spindle cell proliferation in the dermis and subcutaneous fat, with the spindle cells aligned horizontally to the epidermis section (hematoxylin-eosin, original magnification: ×100). (B) The nuclei of the spindle cells were thin, elongated and often wavy, with little pleomorphism (hematoxylin-eosin, original magnification: ×400). Back to article page