Doctor performing a pinch test on a dermatofibroma on the skin of a 34 year old African American female patient. When a dermatofibroma is squeezed from the sides the overlying skin dimples. This is in contrast to a mole, which stays raised above the skins surface when pinched. Dermatofibroma, also called benign fibrous histiocytoma, is a non-cancerous tumour that usually occurs on the hands or feet. It is composed of disordered collagen laid down by fibroblast cells. In rare cases, basal cell carcinoma may develop within a dermatofibroma.
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Creative#:
TOP29820859
Source:
達志影像
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RM
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yes
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