Fig. 1From: Clinicopathological features of fibrosarcomatous dermatofibrosarcoma protuberans and the construction of a back-propagation neural network recognition modelHistopathological examination. a DFSP without fibrosarcomatous change showing spindle cells (H&E, original magnification × 200). b DFSP with fibrosarcomatous change showing a fascicular growth pattern (H&E, original magnification × 200)Back to article page