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Figure 1: (a) Epidermis of perilesional keloid showed positive cytoplasmic DDR1 expression with moderate intensity and whole thickness distribution. (b) Dermis of perilesional keloid showed preserved adnexa (hair follicle and eccrine sweat gland ducts) exhibiting moderate DDR1 expression; however, mild DDR1 cytoplasmic expression was noted in stromal cells (DDR1 immunohistochemical ×200 for both). DDR1, discoidin domain receptor 1. |
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