Pulmonary alveolar proteinosis induced by X-linked agammaglobulinemia: A case report

Figure 1 Lung imaging before and after treatment. A: Before treatment, the transparency of both lungs decreased, presenting as ground glass or butterfly-shaped changes, with a large bubble in the right upper lung; B: After alveolar lavage, there was a significant improvement in bilateral lung lesions; C: Periodic acid–Schiff staining of bronchoalveolar lavage fluid was positive.