Pigmented purpuric dermatosis
(重定向自Progressive pigmentary dermatosis)
Pigmented purpuric dermatosis (also known as "progressive pigmentary dermatosis," "purpura pigmentosa chronica," "pigmentary purpuric eruptions," or "progressive pigmenting purpura") refers to one of the three major classes of skin conditions characterized by purpuric skin eruptions.