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Palpable purpura in leukocytoclastic vasculitis. 1986

P D Sloane, and R Tardell

Palpable purpura is a clinical finding that represents antigen-antibody deposition along small cutaneous vessels, resulting in extravasation of blood cells into the interstitium. The most common cause of palpable purpura is leukocytoclastic vasculitis, a disease involving cutaneous postcapillary venules. Although often idiopathic, leukocytoclastic vasculitis has been associated with numerous infections, drugs, rheumatic diseases and malignancies.

UI MeSH Term Description Entries
D007166 Immunosuppressive Agents Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging. Immunosuppressant,Immunosuppressive Agent,Immunosuppressants,Agent, Immunosuppressive,Agents, Immunosuppressive
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011693 Purpura Purplish or brownish red discoloration, easily visible through the epidermis, caused by hemorrhage into the tissues. When the size of the discolorization is >2-3 cm it is generally called Ecchymoses (ECCHYMOSIS). Petechiae,Purpuras
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014397 Tuberculosis, Pulmonary MYCOBACTERIUM infections of the lung. Pulmonary Consumption,Pulmonary Phthisis,Pulmonary Tuberculoses,Pulmonary Tuberculosis,Tuberculoses, Pulmonary,Consumption, Pulmonary,Consumptions, Pulmonary,Phthises, Pulmonary,Phthisis, Pulmonary,Pulmonary Consumptions,Pulmonary Phthises
D014657 Vasculitis Inflammation of any one of the blood vessels, including the ARTERIES; VEINS; and rest of the vasculature system in the body. Angiitis,Angiitides,Vasculitides

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