<unk>  (also known as "Cutaneous leukocytoclastic angiitis," "Cutaneous leukocytoclastic<unk> ," "Cutaneous necrotizing venulitis," and "Hypersensitivity angiitis") is inflammation of<unk>  blood<unk> s (usually post-capillary venules in the dermis), characterized by palpable purpura.:831 It is the most common<unk>   seen in clinical practice. Leukocytoclasis refers to the damage caused by nuclear debris from infiltrating neutrophils in and around the<unk> s.
Subtypes of<unk><unk><unk>  include::833–6
Cutaneous small vessel vasculitis
Subacute cutaneous lupus erythematosus
Cutaneous lymphoma
Polymorphous light eruption
Drug eruption
Cutaneous B cell lymphoma
Livedoid vasculitis
Drug-induced lupus erythematosus