<unk>  is an acute, often fatal, thrombotic disorder which manifests as blood spots, bruising and discolouration of the skin resulting from coagulation in small blood vessels within the skin and rapidly leads to skin necrosis and disseminated intravascular coagulation.
Purpura fulminans
Acne fulminans
Pyoderma gangrenosum
Leukemia cutis
Visceral larva migrans
Dandruff
Erythema multiforme minor
Ecthyma gangrenosum