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KMID : 0380420230470020102
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Journal of Prventive Veterinary Medicine
2023 Volume.47 No. 2 p.102 ~ p.104
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Spontaneous pulmonary alveolar proteinosis in a C57BL/6 mouse: Case report
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Warisraporn Tangchang
Cho Eun-Sang
Yoon Won-Kee
Kwon Hyo-Jung
Son Hwa-Young
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Abstract
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This case report describes the pathological features of pulmonary alveolar proteinosis(PAP) in mouse. Grossly, multiple irregular yellow-grey patches were observed on the lung surface of a C57BL/6 mouse. Histopathologically, the alveolar walls were thickened by type II cell hyperplasia and cellular infiltrates, and the bronchioles and alveolar lumens were filled with amorphous eosinophilic lipoproteinaceous material. This material was positive for Periodic acid-Schiff stain. Gomori methenamine silver staining was negative. Immunohistochemical staining showed that cells in the alveolar wall and lumen were positive for surfactant protein B, chitinase-like protein-3, and CD68. As a result, PAP was diagnosed. This is a rare case of spontaneous PAP in mice, and we report the histopathological characteristics along with the literature.
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KEYWORD
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Mouse, Pulmonary alveolar proteinosis, Surfactant protein
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