Secondary Pulmonary Alveolar Proteinosis Associated with Myelodysplastic Syndrome

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A 47-year-old man, who had been diagnosed as myelodysplastic syndrome (MDS), complained of a severe cough and a high-grade fever. Chest CT disclosed scattered small nodules and ground-glass opacities with interlobular septal thickening in both lung fields and a mass lesion in the right lower lobe. Pathological findings of the ground-glass opacities and the mass lesion obtained by video-assisted thoracoscopic surgery revealed the accumulation of eosinophilic amorphous material in the alveoli and confirmed the diagnosis of pulmonary alveolar proteinosis (PAP). Autoantibodies against granulocyte-macrophage colony-stimulating factor (GM-CSF) in sera were below sensitivity, while the GM-CSF level was elevated in bronchoalveolar lavage fluid. He was diagnosed as secondary PAP associated with MDS.(Internal Medicine 42: 187-190, 2003)
社団法人日本内科学会の論文
2003-02-01