Pulmonary alveolar proteinosis (PAP) is a rare lung disease characterized by hypoxemic respiratory failure due to the accumulation of lipoproteinaceous material in alveolar macrophages and alveoli. It has been reported that granulocyte macrophage colony-stimulating factor (GM-CSF) inhalation or whole lung lavage significantly improves the disease state. We present a case of 17-year-old female diagnosed with PAP and treated with both GM-CSF inhalation and whole lung lavage. Her symptoms, imaging findings, and pulmonary function tests improved after these treatments. Therefore, combined treatments of whole lung lavage and subsequent GM-CSF inhalation should be considered a treatment option for children and adolescents.
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