• Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University, Nanjing, Jiangsu, 210008, China;
ZhangYingwei, Email: yingwei16@aliyun.com
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Objective To highlight the characteristics of secondary pulmonary alveolar proteinosis (PAP) associated with malignant hematological diseases. Methods The clinical data of three patients with secondary PAP were analyzed and the related literature was reviewed. Results Three patients were diagnosed with secondary PAP by exclusion of primary or autoimmune PAP and denied the history of inhalation of occupational dusts. Two patients with secondary PAP were associated with chronic myelocytic leukemia, and the third one was associated with myelodysplastic syndrome. The performance on HRCT of the PAP associated with hematological malignancy was different from the primary PAP. Three patients were pathologically diagonised by brochoalveolar lavage fluid. One patient was successfully treated with inhalation of granulocyte-macrophage colony-stimulating factor (GM-CSF). Conclusions Secondary PAP associated with hematological malignancy is very rare. The untypical HRCT is the main cause of misdiagnosis. Some patients may benefit from GM-CSF theatment.

Citation: ChenLulu, TianYaqiong, ZhangYingwei, QiuYuying, ZhaoQi, ZhuangYi, CaiHourong. Secondary Pulmonary Alveolar Proteinosis Associated with Hematological Malignancy: Three Cases Report and Literature Review. Chinese Journal of Respiratory and Critical Care Medicine, 2015, 14(6): 588-591. doi: 10.7507/1671-6205.2015141 Copy

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