n.斑點(diǎn)；雀斑
Histologic examination of the tan patch reveals features of lentigo simplex, whereas the speckled macules and papules disclose melanocytic nevi. 組織病理下褐色斑塊呈現(xiàn)單純性黑痣，而其上的斑點(diǎn)及丘疹則為黑色素細(xì)胞痣。
