The CT Imaging Features of Pulmonary Alveolar Proteinosis Before and After Bronchoalveolar Lavage
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1. Department of Radiology, the Affiliated Shilong People’s Hospital, Southern Medical University, Dongguan 523326, China;
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2. Department of Radiology, the Affiliated Houjie Hospital, Guangdong Medicial College, Dongguan 523945, China;
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3. Department of Radiology, the first Affiliated Hospital of Guangzhou Medicial College, Guangzhou 510120, China
More Information
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- Received Date:
September 13, 2013
- Available Online:
December 09, 2022
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Abstract
Objective: To evaluate the CT imaging features of pulmonary alveolar proteinosis(PAP) before and after bronchoalveolar lavage(BAL), to raise awareness of the disease and the evaluation of the effect after BAL. Methods: A retrospective analysis of 25 cases of pathologically confirmed was done. The CT imaging features of PAP, including range, shape, boundary, and the changes before and after BAL, were observed. Results: The CT imaging features of PAP were diversified, which summarized as: map sign, gravel levy, pulmonary edema-like symptoms and pulmonary consolidation. 15 cases significantly improved after BAL. Conclusion: CT can visualize the imaging features of PAP and have a higher diagnostic value, that can evaluate the effect after BAL, The diagnosis depends on pathology confirmed.
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