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Fig. 4 | BMC Pulmonary Medicine

Fig. 4

From: A 47-Year-old Asian female with tracheobronchial space-occupying lesions caused by chronic lymphocytic leukemia

Fig. 4

HE staining and immunohistochemical results of tracheal tissue biopsy. A: hematoxylin-eosin staining showed a large lymphocytic infiltration in the tissue. B-D: immunohistochemical results showed significant expression of human leukocyte differentiation antigens, CD20, CD23, and CD43. E: high expression of the B-cell surface specific transcription factor, PAX5. F-H: immunohistochemistry showed high expression of the proto-oncogene, BCL-2. BCL-6 was not expressed, and cyclinD1 was not expressed

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BMC Pulmonary Medicine

ISSN: 1471-2466

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