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皮肤纤维瘤(DF)的上皮改变包括棘层增厚和基底细胞样上皮增生。这一上皮改变的机理仍不清楚,可能是宿主对外伤的修复反应、基
Epithelial changes in dermatofibroma (DF) include acanthosis and basal cell-like epithelial hyperplasia. The mechanism of this epithelial change remains unclear and may be the host’s repair response to trauma,