CD5 is a 67 kDa glycoprotein.

Antibody clone NCL-CD5-4C7 is effective on paraffin-embedded tissue3. The Leu1 antibody will also stain paraffin-embedded tisue after antigen retrieval and tyramine-enhanced detection.

Immunohistochemical expression

Diagnostic utility



1 S Pomplun. Immunohistochemical markers in the differentiation of thymic and pulmonary neoplasms. Abstract 158, Pathological Society of Great Britain and Ireland January 2001.

2 Bakels, V., van Oostveen, J.W., van der Putte, S.C., Meijer, C.J. and Willemze, R. Immunophenotyping and gene rearrangement analysis provide additional criteria to differentiate between cutaneous T-cell lymphomas and pseudo- T-cell lymphomas. Am J Pathol 1997;150:1941-9.

3 Leong A S-Y, Cooper K and Leong FJ W-M. Manual of diagnostic antibodies for immunohistology. 2nd edition, 2003

4 Pan, C. C., P. C. Chen, et al. (2003). "Expression of calretinin and other mesothelioma-related markers in thymic carcinoma and thymoma." Hum Pathol 34(11): 1155-62.

5 Kitamura A, Yamashita Y, Hasegawa Y, et al. Primary lymphoma arising in the nasal cavity among Japanese. Histopathology 2005; 47:523-32

6 Nonaka D, Henley JD, Chiriboga L, et al. Diagnostic utility of thymic epithelial markers CD205 (DEC205) and Foxn1 in thymic epithelial neoplasms. Am J Surg Pathol 2007; 31:1038-44

7 Saad RS, Landreneau RJ, Liu Y, et al. Utility of immunohistochemistry in separating thymic neoplasms from germ cell tumors and metastatic lung cancer involving the anterior mediastinum. Appl Immunohistochem Mol Morphol 2003; 11:107-12


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