Pigmented purpuric dermatoses.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002198:Capillary Fragility; D002200:Capillary Resistance; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010859:Pigmentation Disorders / Q000209:etiology*; D011693:Purpura / Q000150:complications*; D012871:Skin Diseases / Q000145:classification* / Q000209:etiology*