Histologic examination of the tan patch reveals features of lentigo simplex, whereas the speckled macules and papules disclose melanocytic nevi. 组织病理下褐色斑块呈现单纯性黑痣，而其上的斑点及丘疹则为黑色素细胞痣。
lentigo英英释义
Noun:
a small brownish spot (of the pigment melanin) on the skin
