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Figure 5 | Diagnostic Pathology

Figure 5

From: Usual interstitial pneumonia coexisted with nonspecific interstitial pneumonia, What’s the diagnosis?

Figure 5

A-C Immunohistochemical staining of cytokeratin(AE1/AE3), SP-A and P53 protein. The tissue obtained from upper lobe of right lung. Cytokeratin was positive in residual alveolar epithelium of fibrosis tissue (A, EnVision × 100).The strongly positive expression of SP-A is observed in hyperplastic type II alveolar epithelium (B, EnVision×200), and some hyperplastic alveolar epithelium demonstrated positive expression of P53 (C, arrow. EnVision × 200).

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Diagnostic Pathology

ISSN: 1746-1596

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