Microscopic polyarteritis | definition of microscopic polyarteritis by Medical dictionary
microscopic polyangiitis (redirected from microscopic polyarteritis)
microscopic polyangiitis A systemic small-vessel vasculitis that primarily affects the kidneys, skin, and lungs of middle-aged men.
Fever, malaise, myalgia, weight loss, and autoimmunity, including antineutrophil cytoplasmic antibodies (p-ANCA). Skin lesions occur in 30 to 50%, usually presenting as purpura due to leukocytoclastic vasculitis, less commonly as nodules involving the vessels of the dermis and subcutaneous fat and ulcers. The kidney shows rapidly progressive focal and segmental glomerulonephritis.
microscopic polyangiitis Hypersensitivity angiitis, microscopic periarteritis, microscopic polyarteritis Internal medicine The term recommended for necrotizing vasculitis with few or no immune deposits, affecting small vessels–ie, arterioles, capillaries, venules; MP is often accompanied by ANCA, necrotizing glomerulonephritis and pulmonary capillaritis. See Small vessel vasculitis, Systemic vasculitis.
mi·cro·scop·ic pol·y·an·gi·i·tis (mī'krŏ-skop'ik pol'ē-an'jē-ī'tis)
References in periodicals archive
DAH is associated with primary vasculitis (due to conditions such as microscopic polyarteritis
, Wegener's granulomatosis, and Churg-Strauss syndrome) and secondary vasculitis accompanying connective tissue diseases (such as SLE and malignant rheumatoid arthritis) .
: presentation, pathology and prognosis.
Microscopic polyangiitis (microscopic polyarteritis
(6.) S J HAWORTH, C 0 S SAVAGE, D CARR, J M B HUGHES, A J REES Pulmonary haemorrhage complicating Wegener's granulomatosis and microscopic polyarteritis
British Medical Journal.
Renal vasculitis: microscopic polyarteritis
and Wegener's granuloma.