Microscopic polyangiitis (MPA) is an autoimmune disorder characterized by pulmonary capillaritis and necrotizing glomerulonephritis triggered by the deposition of oligoimmune complexes.This condition primarily aff ect...Microscopic polyangiitis (MPA) is an autoimmune disorder characterized by pulmonary capillaritis and necrotizing glomerulonephritis triggered by the deposition of oligoimmune complexes.This condition primarily aff ects the lungs and kidneys.^([1])The key pathological features in the lungs associated with MPA include pulmonary interstitial fibrosis and diffuse alveolar hemorrhage (DAH),which clinically present as cough,sputum production,hemoptysis,and dyspnea.[2] In this report,we present a patient with MPA complicated by severe anemia and DAH,notably without the typical symptoms of hemoptysis.展开更多
基金supported by the Provincial Natural Science Foundation of Hunan Province (2024JJ5603)。
文摘Microscopic polyangiitis (MPA) is an autoimmune disorder characterized by pulmonary capillaritis and necrotizing glomerulonephritis triggered by the deposition of oligoimmune complexes.This condition primarily aff ects the lungs and kidneys.^([1])The key pathological features in the lungs associated with MPA include pulmonary interstitial fibrosis and diffuse alveolar hemorrhage (DAH),which clinically present as cough,sputum production,hemoptysis,and dyspnea.[2] In this report,we present a patient with MPA complicated by severe anemia and DAH,notably without the typical symptoms of hemoptysis.
