Wickham's striae are typically seen in which one of the following diseases?
Lichen planus
Wickham's striae are fine white lacy lines seen on the surface of the violaceous, polygonal, pruritic papules that are characteristic of lichen planus.
Which one of the following refers to the appearance of punctate bleeding spots on scraping the surface of a skin lesion?
Which one of the following refers to the appearance of punctate bleeding spots on scraping the surface of a skin lesion?